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User Manual ROM-7420 Evaluation Kit - Login

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1. 18 Figure 2 14USB Header 22 2 211 4 20 100 18 Figure 2 15 USB aci ien 18 Figure 2 16SATA connector 19 Figure 2 17 JTAG Pin header sete cit 19 Figure 2 18UART Pin header 20 Figure 2 19Minii 0 feta 21 Figure 2 20SIM Card 21 Figure 2 21SD Card 22 Figure 2 22MXM 22 Figure 2 23ROM 7420 Pin location 25 Jumper settingk uaurag ma gare Rt ee dert d pex n did 26 2 5 1 ROM 7420 module board 26 V ROM 7420 User Manual 2 6 2 7 2 8 Chapter 3 3 1 3 2 3 3 3 4 3 5 3 6 3 7 ROM 7420 User Manual 2 5 2 ROM DB7500 Evaluation Carrier 26 Mechanical ecc 29 2 6 1 Connector 29 Figure 2 24Mechanical Drawing 29 Table 2 4 ROM DB7500 onboard 30 2 6 0 ROM 7420 Board Dimension essen 31 Figure 2 25ROM 7420 Board Dimens
2. 1 records in 1 records out 16 bytes 16 B copied 0 000109331 s 146 kB s Step 3 Check the data copied to USB flash disk hexdump dev sda s 25720832 s 32 01887800 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46 123456789ABCDEF 01887810 14 4f e2 19 43 05 8b df 4 40 c5 23 2 Note This operation may damage the data stored in USB flash disk Please make sure there is no critical data in the USB flash disk being used for BE this test SD Test Step 1 When booting from eMMC you would see only below directories Hls dev mmcblk dev mmcblke dev mmcblk boote dev mmcblkObooti1 dev mmcb1lk p1 Step 2 Insert SD card to SD card slot SD1 and check your device again You should be able to see more directories dev mmcblk1 is the SD card storage 1s dev mmcblk dev mmcb1k dev mmcblk booti dev mmcblk1 dev mmcblk1p2 dev mmcblkOebooto dev mmcblk pi dev mmcblkip1 Step 3 Create a file and copy to SD echo 123456789ABCDEF gt test txt if test txt of dev mmcblk1 bs 1024 count 1 seek 25118 0 1 records in 0 1 records out 16 bytes 16 B copied 0 000109331 s 146 kB s ROM 7420 User Manual 38 2 8 5 2 8 5 1 2 8 5 2 Step 4 Check if the file is created successfully hexdump C dev mmcblk1 s 25720832 s 32 01887800 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46 123456789ABCDEF 01887810 1d 4f 2 19 43 05 8b df ab 4a 40 5 c5 23
3. 2 Note Please make sure parameter seek is equal to 25118 as indicated in red in above codes If you create the file to a wrong sector that may E damage the system GPIO Test ROM 7420 GPIO default setting DSUB 9 Name path 1 GPI 0 19 171 2 GPI 1 gpio174 3 GPI 2 gpio175 4 GPI 3 gpio176 6 GPO_0 gpio57 7 GPO 1 gpio55 8 GPO 2 56 9 GPO 3 gpio130 cd sys class gpio You can use Is to list all GPIO devices and you should also see GPIO ports in above table GPIO Test Fixture Prepare D Sub9 male for ROM 7420 the circuit of this test fixture is shown below GPO 0 GPO 1 GPO 2 GPO 3 39 ROM 7420 User Manual 2 8 5 3 Example of testing GPIO 2 8 6 2 8 6 1 A Set gpio57 GPI in Hecho in gt sys class gpio gpio57 direction cat gpio57 direction in B Set gpio171 GPO out Hecho out gt sys class gpio gpio171 direction cat gpio171 direction out C Set gpio171 GPO value 0 Hecho gt sys class gpio gpio171 value D Get gpio57 GPI value 0 gpio57 value 0 As you can see in below procedure A and B we set gpio 57 as GPI and 171 GPO so once we send data out from gpio 171 it should be able to receive the same data from gpio 57 LVDS HDMI VGA Test Testing through gplay for default single display Step 1 1 tools Advantech avi Step 2 The
4. Shipping Back to Customer The forwarding company for RMA returns from ADVANTECH to customers is selected by ADVANTECH Per customer requirement other express services can be adopted such as UPS FedEx etc The customer must bear the extra costs of such alternative shipment If you require any special arrangements please indicate this when shipping the product to us 79 ROM 7420 User Manual ADMANTECH Enabling an Intelligent Planet www advantech com Please verify specifications before quoting This guide is intended for reference purposes only All product specifications are subject to change without notice No part of this publication may be reproduced in any form or by any means electronic photocopying recording or otherwise without prior written permis sion of the publisher All brand and product names are trademarks or registered trademarks of their respective companies O Advantech Co Ltd 2013
5. sys tmp 1 unit tests usr var tools E l bin opt L tools ROM 7420 User Manual Common programs shared by the system the system administrator and the users Contains references to all the CPU peripheral hardware which are rep resented as files with special properties Most important system configuration files are in etc this directory con tains data similar to those in the Control Panel in Windows Home directories of the common users Library files includes files for all kinds of programs needed by the sys tem and the users Standard mount point for external file systems Typically contains extra and third party software A virtual file system containing information about system resources More information about the meaning of the files in proc is obtained by entering the command man proc in a terminal window The file proc txt discusses the virtual file system in detail The administrative user s home directory Mind the difference between the root directory and root the home directory of the root user Programs for use by the system and the system administrator Linux sys file system Temporary space for use by the system cleaned upon reboot so doesn t use this for saving any work unit test tools are provided by Freescale i MX6 product Programs libraries documentation etc for all user related programs
6. 2 4 help info return 1 imeout atoi argv 1 sleep sec atoi argv 2 if sleep sec lt 0 sleep sec 1 printf correct 0 or negative sleep time to d seconds n sleep sec test atoi argv 3 printf Starting wdt driver timeout Xd sleep Xd test s n timeout sleep sec test 0 ioctl write fd open dev watchdog O WRONLY if fd 1 4 perror watchdog exit 1 printf Trying to set timeout value d seconds n timeout ioctl fd WDIOC SETTIMEOUT amp timeout printf The actual timeout was set to Xd seconds n timeout ioctl fd WDIOC GETTIMEOUT amp timeout printf Now reading back The timeout is Xd seconds n timeout while 1 printf WDT Time out counter d n count if test 1 0 88 test count printf Ping Watchdog reset Wn ROM 7420 User Manual 64 ioctl fd WDIOC KEEPALIVE 0 test 0 count 0 sleep sleep sec count sleep sec return 0 void help info void printf Usage wdt driver test timeout sleep lt trigger gt n printf timeout value in seconds to cause timeout reset in printf sleep value in seconds to display timeout n printf trigger value in seconds to ping the wdt An T If you would like to change the WDT time please modify ioctl fd WDIOC_SETTIMEOUT amp timeout 3 7 3 GPIO setting Please see GPIO initial code listed below
7. European Customers that are located outside European Community are requested to use UPS as the forwarding company We strongly recommend adding a packing list to all shipments Please prepare a shipment invoice according to the following guide lines to decrease goods clearance time 1 Give a low value to the product on the invoice or additional charges may be lev ied by customs that will be borne by the sender 2 Add information Invoice for customs purposes only with no commercial value on the shipment invoice 3 Show RMA numbers product serial numbers and warranty status on the ship ment invoice 4 Add information about Country of origin of goods In addition please attach an invoice with RMA number to the carton then write the RMA number on the outside of the carton and attach the packing slip to save han dling time Please also address the parts directly to the Service Department and mark the package Attn RMA Service Department All products must be returned in properly packed ESD material or anti static bags ADVANTECH reserves the right to return unrepaired items at the customer s cost if inappropriately packed Besides that Door to Door transportation such as speed post is recommended for delivery otherwise the sender should bear additional charges such as clearance fees if Air Cargo is adopted Should DOA cases occur ADVANTECH will take full responsibility for the product and transportation charges If th
8. ROM 7420 Evaluation Kit Freescale i MX6 Dual Processor ARM Cortex A9 Architecture ADMANTECH Enabling an Intelligent Planet Copyright The documentation and the software included with this product are copyrighted 2013 by Advantech Co Ltd All rights are reserved Advantech Co Ltd reserves the right to make improvements in the products described in this manual at any time without notice No part of this manual may be reproduced copied translated or transmitted in any form or by any means without the prior written permission of Advantech Co Ltd Information provided in this manual is intended to be accurate and reliable How ever Advantech Co Ltd assumes no responsibility for its use nor for any infringe ments of the rights of third parties which may result from its use Acknowledgements ARM is trademarks of ARM Corporation Freescale is trademarks of Freescale Corporation Microsoft Windows are registered trademarks of Microsoft Corp All other product names or trademarks are properties of their respective owners Part No 2006742001 Edition 2 Printed in Taiwan November 2013 ROM 7420 User Manual ii Packing List The evaluation kit mentioned in this document includes following parts which you may need for ROM 7420 testing and development If you need to purchase any one of below items please contact your sales service window Boards ROM 7420 P N ROM 7420CD MDA1E ROM DB7500 P N ROM DB7500 SCA
9. ROM 7420 User Manual 20 43 GND 44 LED WLANH 45 Reserved 46 LED WPANZ 47 Reserved 48 1 5V 49 Reserved 50 GND 51 Reserved 52 3 3VAUX Figure 2 19 Mini PCIE N SIM Socket On board SIM socket is for 3G integration Please insert valid SIM card to dial to 3G network Pin Signal Name Pin Signal Name 5 GND 1 UIM POWER 6 UIM VPP 2 UIM RESET 7 UIM DATA 3 UIM CLK 8 4 Figure 2 20 SIM Card connector 21 ROM 7420 User Manual O SD Card Socket Support SD MMC card in Class 2 4 6 8 10 Supporting capacity is up to 32G SDHC Pin Signal Name DAT3 CMD GND 3 3V CLK GND DATO DAT1 DAT2 olo NIDIA AJOIN gt Figure 2 21 SD Card connector J MXM Connector 230 pin golden finger MXM connector for Q7 module board The connector height is 7 8 mm and the resulting height between carrier board and Q7 module is 5 0 mm MXM Connector Dimensions Figure 2 22 MXM Connector ROM 7420 User Manual 22 Pin Signal Name Pin Signal Name 1 2 3 GBE MDI3 4 GBE MDI2 5 GBE MDI3 P 6 GBE MDI2 P 7 GBE LINK100 8 GBE LINK1000 9 GBE MDI1 N 10 GBE MDIO N 11 GBE MDI1 P 12 GBE MDIO P 13 14 GBE 15 GBE CTREF 16 TP 17 18 CB PWR EN 19 20 PWR 21 SLP 22 23 24 KEY 25 26 PWRGD IN 27 28 RST_BTN 29 SATAO TX P 30
10. 31 SATAO TX 32 33 SATA 34 35 SATAO RX P 36 37 SATAO 38 39 40 41 42 SDIO CLK 43 SDIO_CD 44 SDIO_LED 45 SDIO_CMD 46 SDIO_WP 47 48 SDIO_DATA1 49 SDIO DATAO 50 SDIO DATA3 51 SDIO DATA2 52 53 54 55 56 GND 57 58 59 125 SCLK 60 61 125 LRCLK 62 63 AUDIO CLK 64 65 125 DIN 66 I2C1 SCLK 67 125 DOUT 68 12 1 SDAT 69 70 WDTO 71 72 73 74 75 UARTA TXD 76 UART3 TXD 77 UARTA RXD 78 UART3 RXD 79 80 81 82 83 84 85 86 87 88 23 ROM 7420 User Manual 89 90 91 92 USB OTG ID 93 USB OTG N 94 USB HOST N 95 USB OTG P 96 USB HOST P 97 98 99 LVDSO TXO P 100 LVDS1 TXO P 101 LVDSO TXO N 102 LVDS1 TXO N 103 LVDSO TX1 P 104 LVDS1 TX1 P 105 LVDSO TX1 N 106 LVDS1 TX1 N 107 LVDSO TX2 P 108 LVDS1 TX2 P 109 LVDSO TX2 N 110 LVDS1 TX2 N 111 LVDS PWR EN 112 LVDS BKL EN 113 LVDSO TX3 P 114 LVDS1 TX3 P 115 LVDSO TX3 N 116 LVDS1 TX3 N 117 118 119 LVDSO CLK P 120 LVDS1 CLK P 121 LVDSO CLK N 122 LVDS1 CLK N 123 LVDS BKL CTL 124 CPU CARD 125 LVDS DID DAT 126 LVDS BLC DAT 127 LVDS DID CLK 128 LVDS BLC CLK 129 CANO TX 130 CANO RX 131 HDMI CLK P 132 UART1 TXD 133 HDMI CLK N 134 UART1 RXD 135 136 137 HDMI TD1 P 138 UART2 TXD 139 HDMI TD1 N 140 UART2 RXD 141 142 143 HDMI TDO P 144 CAN1 TX 145 HDMI TDO N 146 CAN1 RX 147 148 149 HDMI TD2 P 150 HDMI CTRL DAT 151 HDMI TD2 N 152 HDMI CTRL CLK 153 HDMI HPD 154 HD
11. Z Power Connector ATX 4 pin PSU connector 1655004584 01 AA Battery Holder 1750299010 AB Power On Button 1600000073 AC Sleep Button 1600000073 AD Reset Button 1600000073 ROM 7420 User Manual 30 2 6 2 ROM 7420 Board Dimension eo Cu S U 0 Figure 2 25 ROM 7420 Board Dimension 31 ROM 7420 User Manual 2 6 3 ROM DB7500 Board Dimension Figure 2 26 ROM DB7500 Board Dimension ROM 7420 User Manual 32 2 7 Quick Start of ROM 7420 2 7 1 Debug Port handling 2 7 1 1 Debug port jumper setting There are 2 different ways of the debug port jumper setting please see below for your information 1 Default Jumper setting recommended Put 2 jumpers to the right side of the 6 pin pin header as instruction In this case the 2nd pin of debug port DB9 connector is Tx and the 3rd pin is Rx Pin2 Tx Pin3 Rx 33 ROM 7420 User Manual 2 Optional Jumper setting Put 2 jumpers to the left side of the 6 pin pin header as instruction In this case the 2nd pin of debug port DB9 connector is Rx and the 3rd pin is Tx rd Rx Pin3 Tx 2 7 1 2 Debug Port connection 1 Connect debug port cable to debug port board follow by instruction 2 Connect another side of debug port cable to ROM 7420 ROM 7420 User Manual 34 Connect RS 232 extension cable to debug port board Connect the other side of extension cable to USB to RS232 cable then connect to your PC 2 7 1 3 D
12. placed in an unsuitable physical or operating environment improperly maintained by the customer or failure caused which ADVANTECH is not responsible whether by accident or other cause Please contact your nearest regional service center for detail service quotation Before we start out of warranty repairs we will send you a pro forma invoice P I with the repair charges When you remit the funds please reference the P I number listed under Our Ref ADVANTECH reserves the right to deny repair services to customers that do not return the DOA unit or sign the Meanwhile ADVANTECH will scrap defective products without prior notice if customers do not return the signed within months Repair Report ADVANTECH returns each product with a Repair Report which shows the result of the repair A Repair Analysis Report is also provided to customers upon request If the defect is not caused by ADVANTECH design or manufacturing customers will be charged US 60 or US 120 for in warranty or out of warranty repair analysis reports respectively Custody of Products Submitted for Repair ADVANTECH will retain custody of a product submitted for repair for one month while it is waiting for return of a signed P I or payment A R If the customer fails to respond within such period ADVANTECH will close the case automatically ADVAN TECH will take reasonable measures to stay in proper contact with the customer dur ing this one month period
13. to SPI NOR flash chip select 3 4 connect SPI CS1 to SPI NOR flash chip select ER 2 5 2 5 Module insertion detect CN17 Module insertion detect Description Module insertion detect Setting Function 1 2 enable module insertion detect function ROM 7420 User Manual gt 28 2 6 Mechanical 2 6 1 Connector Location Figure 2 24 Mechanical Drawing 29 ROM 7420 User Manual Table 2 4 ROM DB7500 onboard connector Item Description PIN C D SUB 15 pin VGA female connector 1654010443 D HDMI Connector 1654010528 01 E 1 receptacle connector with GbE 1652003674 F D SUB 9 pin Can Bus male connector 1654009494 G D SUB 9 pin GPIO Port female connector 1654008866 H 2 port Audio Jack 1652005286 DC in Jack 1652005624 J 230 pin socket for module board 1654005496 K LVDS Data Connector 40 pin 1653920200 L LVDS Inverter Power Connector 5 pin 1655000453 M PCI E X1 Mini Card connector 1654002538 N SIM Card 6 pin Connector 1654004680 SD Card Connector 1654009446 P USB 1x5 OTG Connector 1654000160 Q USB 1x4 2 54mm pin header Black 1655002322 R SATA 7 pin signal connector Blue 1654005955 T I2C 1x4 2 0mm Header 1655001154 U JTAG 2x10 2 54mm Header 1653010200 V UART Terminal Connector 1653004789 System Fan Header 1653003100 X Front Panel Header 1653005202 Y Main Power Connector ATX 24 pin PSU connector 1655000077
14. 2 enne 9 2 3 9 Mini USB Host Cable 9 2 3 10 Mini USB Client Cable 10 2 3 11 USB 4 pin to Type A Cable 10 2 3 12 12V Power Adapter 10 2 3 13 COM Port Cable D SUB 9P to Housing Part J 10 2 3 14 RS 232 Loopback 10 ROM DB7500 eene 10 Table 2 3 ROM DB7500 onboard connectors and key IC 10 Figure 2 3 ROM DB7500 Connector Position 11 2 4 1 Back panel 12 Figure 2 4 Back Panel 12 Figure 2 5 DC Jack iet ERE eot den 12 Figure 2 6 CAN BUS 13 Figure 2 7 VGA 444 14 Figure 2 8 HDMI 14 Figure 2 9 GPIO 15 Figure 2 10LAN Jack and USB 16 Figure 2 11Schematics for Audio 16 2 4 2 Internal connectors amp 17 Figure 2 12LVDS connector 40 17 Figure 2 13LVDS Power Connector
15. Below code is to assign the starting value to GPIO variable define IMX GPIO NR bank nr bank 1 32 nr define MAX GPIO NUM 8 struct gpio set int index GPIO number int direction 1 Input 0 Output int def value Default value gpio pin 1 MAX GPIO NUM ROM 7420 GPIO NR 6 11 1 GPI IMX GPIO NR 6 14 1 0 GPI1 IMX GPIO NR 6 15 1 GPI2 IMX GPIO NR 6 16 1 GPI3 GPIO NR 2 25 GPO0 GPIO NR 2 23 GPO1 GPIO NR 2 24 GPO2 IMX GPIO NR 5 2 GPO3 65 7420 User Manual 3 7 4 RS232 Initial Code The RS232 initial code as below It shows you how to initial COM2 ports int open port void int fd fd open dev ttymxc1 0 RDWR O NOCTTY O NDELAY if fd 1 perror open error return fd 3 7 5 Display Output Setting 3 7 5 1 LVDS Settings Please set environment in u boot as below setenv bootargs base setenv bootargs console ttymxc0 115200 enable wait mode off video mxcfbO dev Idb LDB XGA if RGB666 LDB XGA is an example for the resolution of your LVDS panel You can input the actual resolution of your LVDS panel here such as 800x480 1024x768 etc The sys tem will accomplish the corresponding parameters automatically If the panel has problem to be activated you may need to check the panel datasheet to configure the panel re
16. LVDS_A3 16 NC 36 NC 17 GND 37 LVDS_A3 18 GND 38 NC 19 LVDS A2 39 RSVD 20 NC 40 LVDSA CTRL Figure 2 12 LVDS connector 40 pins 17 ROM 7420 User Manual L LVDS Inverter Power Connector Please also refer to jumper setting in page 10 before connecting LVDS panel Pin Signal Name 12V GND BKL EN BKL CTL 5V 1 00000 Figure 2 13 LVDS Power Connector Q Front Panel USB Header This pin header is for USB extension of the USB port s in the front panel of the min iATX Chassis We provide adapter cable along with ROM 7420 evaluation kit for device integration Pin Signal Name 1 5 VDC 2 D 3 D 4 Ground 000 Figure 2 14 USB Header USB Standard mini USB connector is used for USB support Users can connect ROM 7420 evaluation kit to desktop laptop PC through this connector Pin Signal Name 5V USB USB OTG D OTG ID GND ROM 7420 User Manual 18 R SATA Connectors Standard SATA connector support SATA2 3 0 bps Pin Signal Name Description 1 GND Ground 2 TXP Transmit diff data positive 3 TXN Transmit diff data negative 4 GND Ground 5 RXN Receive diff data negative 6 RXP Receive diff data positive 7 GND Ground 7 G RX Eme ome 3 TX qee Figure 2 16 SATA connector U JTAG JTAG is reserved
17. Linux system SD card you can refer to the following steps to copy the content to onboard flash and then boot from onboard flash Advantech also provides you a script mkinand linux sh to speed up the process of installing system image to onboard flash Refer to Chapter 3 5 1 to make a Linux system SD card Insert this Linux system SD card to ROM DB7500 and connect serial console On ROM 7420 platform type root Login On ROM 7420 platform type mk inand On ROM 7420 platform type mkinand linux sh dev mmcb1k On ROM 7420 platform type y Start to copy files wait until it shows Done Power off and remove this SD card Then you can boot from onboard flash without SD card N URON Boot from SATA If you already have a Linux system SD card you can refer to the following steps to copy the content to SATA drive you can refer following steps to boot form SATA devices The script mksd linux sh will be helpful to install system image to SATA device 1 Refer to Chapter 3 5 1 to make a Linux system SD card Insert this Linux system SD card to ROM DB7500 and open serial console On ROM 7420 platform type root Login On ROM 7420 platform type mk inand On ROM 7420 platform type mksd linux sh dev sda Check the SATA location like dev sda 6 ROM 7420 platform type y Start to copy files waiting a few minutes until it shows Done T Power off and remove this SD card Now you can bo
18. RTC driver Seiko Instruments S 35390A after completing above steps Note Ifyou cannot find the driver for your device from the list please contact E your hardware vender 59 ROM 7420 User Manual 3 4 2 3 5 3 5 1 3 5 1 1 Change ROM 7420 Boot Logo By default ROM 7420 shows a boot logo when booting up You can replace the logo to whatever your want by following below steps 1 You have to download netpbm corresponding to your OS version from internet first 2 Install netpbm by typing sudo apt get install netpbm 3 Prepare your boot logo For example bootlogo png Under folder Desktop boot logo Note This picture should be in PNG format and less than 224 colors It is sug gested to have the image resolution equal to your LCD panel size Open Terminal on Ubuntu 10 04 LTS sudo su Change to root authority Input user password Desktop bootlogo Go into the folder that bootlogo png located pngtopnm bootlogo png ppmquant 224 pnmtoplainpnm gt logo linux clut224 ppm 9 cp logo linux clut224 ppm 7420LBVxxxx source linux 3 0 35 drivers video 1logo 10 Then you can refer Chapter 3 3 1 to rebuild the kernel with your own boot logo e Create Linux System Boot Media ROM 7420 supports boot from SD card SATA device and onboard flash This section will guide you how to build a image for ROM 7420 Linux system boot media Create a Linux System SD Card From P
19. Storage for all variable files and temporary files created by users such as log files the mail queue the print spooler area space for temporary storage of files downloaded from the Internet just for sample test dev etc home lib mnt 2 Ze proc root sbin Sys tmp unit tests usr var Figure 3 2 image rootfs 54 3 1 2 5 3 1 2 6 scripts Some scripts provided by Advantech will help you configure system or build the images more quickly Please check them as follows setenv sh script to setup the developing environment quickly cfg uboot sh script to configure the u boot building setup quickly mk uboot sh script to build the u boot and copy the u boot to image folder after building cfg kernel sh mk kernel sh script to configure the kernel building setup quickly A script to build the ulmage and copy the ulmage to image folder after building mksd linux sh script to setup up a bootable SD card if users build their images source This folder contains sub directories linux 3 0 35 and u boot 2009 08 They are the source codes of the Linux kernel and U boot Linux is a clone of the operating system UNIX It has all the features you would expect in a modern fully fledged UNIX including true multitasking virtual memory shared libraries demand loading shared copy on write executables proper memory management and m
20. XX 80 XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX 90 XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX a0 XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX 0 XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX d XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX f0 XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX 2 8 8 Mini PCIe 3G and Wifi Test The command used to test 3G module is as follows the supported module P N is EWM C106FTO1E H3glink Send AT commands send AT M send ATDT 993t M expect CONNECT AT M M OK M 99 got it The command used to test Wi Fi module is as follows the supported module P N is EWM W142F01E Hifconfig wlanO up iwconfig wlanO essid xxx xxx means your wifi ESSID name dhclient wlane 43 ROM 7420 User Manual 2 8 9 CAN Test To make a cable for CAN test follow the steps below CAN1A CAN1B MI f D CAN2 D 2 CANT D CAN D AB DSUB_9 M Hi2 Step 1 Check CAN network device dmesg grep can ahci SSS flag set parallel bus sca
21. any AC outlet before cleaning Use a damp cloth Do not use liquid or spray detergents for cleaning For plug in equipment the power outlet socket must be located near the equip ment and must be easily accessible Keep this equipment away from humidity Put this equipment on a reliable surface during installation Dropping it or letting it fall may cause damage The openings on the enclosure are for air convection Protect the equipment from overheating DO NOT COVER THE OPENINGS Make sure the voltage of the power source is correct before connecting the equipment to the power outlet Position the power cord so that people cannot step on it Do not place anything over the power cord All cautions and warnings on the equipment should be noted If the equipment is not used for a long time disconnect it from the power source to avoid damage by transient overvoltage Never pour any liquid into an opening This may cause fire or electrical shock Never open the equipment For safety reasons the equipment should be opened only by qualified service personnel If one of the following situations arises get the equipment checked by service personnel B The power cord or plug is damaged Liquid has penetrated into the equipment E The equipment has been exposed to moisture The equipment does not work well or you cannot get it to work according to the user s manual B The equipment has been dropped and damaged B The equi
22. dd if test txt of dev mmcb1k bs 1024 count 1 seek 25118 0 1 records in 0 1 records out 16 bytes 16 B copied 0 000109331 s 146 kB s Step2 Check the data copied to eMMC hexdump C dev mmcblkO s 25720832 s 32 01887800 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46 123456789ABCDEF 01887810 1d 4f 2 19 43 05 8b df ab 4a 40 5a c5 23 3c 2 0 207 lt Note Please make sure parameter seek is equal to 25118 as indicated in red in above codes If you create the file to a wrong sector that may E damage the system SATA Test Step 1 Create a file and copy to SATA 123456789ABCDEF gt test txt dd if test txt of dev sda bs 1024 count 1 seek 25118 0 1 records in 0 1 records out 16 bytes 16 B copied 0 000109331 s 146 kB s Step 2 Check the data copied to SATA hexdump dev sda s 25720832 s 32 01887800 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46 123456789ABCDEF 01887810 1d 4f 2 19 d3 05 8b df ab 4a 40 5a c5 23 3c f2 Note Please make sure parameter seek is equal to 25118 as indicated in red in above codes If you create the file to a wrong sector that may E damage the system 37 ROM 7420 User Manual 2 8 3 2 8 4 USB Test Step 1 Insert USB flash disk then assure it is in ROM 7420 device list Step2 Create a file and copy to USB flash disk echo 123456789ABCDEF gt test txt dd if test txt of dev sda bs 1024 count 1 seek 25118
23. services team Advantech actively participates in carrier board design and problem solving Our services not only enable customers to effectively distribute their resources but also reduce R amp D manpower cost and hardware invest ment By virtue of a close interactive relationship with leading original manufacturers of CPUs and chipsets such as ARM TI and Freescale Advantech helps solve commu nication and technical support difficulties and that can reduce the uncertainties of product development too Advantech s professional software team also focuses on providing a complete Board Support Package and assists customers to build up a software development environment for their RISC platforms ROM 7420 User Manual 74 Advantech RISC design in services helps customers overcome their problems to achieve the most important goal of faster time to market through a streamlined RISC Design in services Along with our multi stage development process which includes planning design integration and validation Advantech s RISC design in service provides comprehen sive support to the following different phases Planning stage Before deciding to adopt Advantech RISC COM customers must go through a com plete survey process including product features specification and compatibility test ing with software So Advantech offers a RISC Customer Solution Board CSB as an evaluation tool for carrier boards which are simultaneously designed when de
24. the command below ifconfig eth up Here is a real case for your reference The hosts ROM 7420 IP is 172 17 21 97 the target A desktop computer IP is 172 17 20 192 Hifconfig eth 172 17 21 97 up ifconfig eth Link encap Ethernet HWaddr 00 04 9F 01 30 E0 inet addr 172 17 21 97 Bcast 172 17 255 255 Mask 255 255 0 0 UP BROADCAST RUNNING MULTICAST MTU 150 Metric 1 RX packets 2851 errors 0 dropped 271 overruns frame TX packets 30 5 9 dropped 0 overruns carrier collisions 0 txqueuelen 1000 RX bytes 291407 284 5 KiB TX bytes 2000 1 9 KiB ROM 7420 User Manual 46 The target computer Client IP address is 172 17 20 192 so we can use below com mand to see if we can get any response from the client Hping 172 17 20 192 PING 172 17 20 192 172 17 20 192 56 data bytes 64 bytes from 172 17 20 192 seq 0 ttl 128 time 7 417 ms 64 bytes from 172 17 20 192 seq 1 ttl 128 time 0 203 ms 64 bytes from 172 17 20 192 seq 2 ttl 128 time 0 300 ms 172 17 20 192 ping statistics 3 packets transmitted 3 packets received 0 packet loss round trip min avg max 0 203 2 640 7 417 ms 2 8 13 RS232 Test As you can see below there are 5 UART supported by ROM 7420 dev ttymxc0 is reserved for ROM 7420 debug port ROM 7420 CN1 the rest UART ports could be applied by user setserial g dev ttymxc dev ttymxc UART undefined Port 0x0000 IRQ 58 dev ttymxc1 UA
25. 1E ROM ED20 DB PIN including in ROM DB7500 SCA1E LVDS Panel Kit Optional m 7 LED PANEL 400N 800X480 G AUO GO70VWO1 VO P N 96LEDK A070WV40NB1 LCD Backlight Cable P N 1700021882 01 LVDS Cable P N 1700021883 01 Cable Kit P N ROM AC7500 0CA1E A CABLE SATA 15P 1 4P 2 5 40cm for ROM DB7500 P N 1700021941 01 M Cable SATA 7P SATA 7P 8CM C R 180 180 P N 1700004711 Mini USB Host Cable P N 1700019076 Mini USB Client Cable P N 1700019077 USB 4 pin to Type A Cable P N 1700021861 01 F Cable IDEZ2 10P 2 0 D SUB 9P M 25CM P N 1700100250 Terminal connector 9P Female P N 1654909900 Accessories Optional SQFlash SD Card SLC 2G 2CH 40 85 C P N SQF ISDS2 2G ETE 802 11 b g n AR9287 2T2R Full size Mini PCle P N EWM W142F01E Cellular HSUPA WCDMA GPRS Full Mini PCle P N EWM C106FTO1E Antenna Coaxial Cable SMA MHF 10cm P N 1750005583 Antenna SMA D M JACK to I PEX MHF CABLE L 100mm P N 1750006233 Heatsink O Freescale S 5W 70x63x8 SC ROM 7420 60 P N 1960061913N001 ADAPTER 100 240V 36W 12V P N 1757003553 Power Cord Optional WB 3pin Power Cord for USA standard P N 1700001524 B 3pin Power Cord for Europe standard P N 170203183C W 3pin Power Cord for UK standard P N 170203180A iii ROM 7420 User Manual Safety Instructions 10 11 12 13 14 Read these safety instructions carefully Keep this User Manual for later reference Disconnect this equipment from
26. 49 Software Functionality 51 Package Content 2 ttt tot abe ei eb 52 3 1 1 Pre built System 52 3 1 2 Source Code 52 Figure 3 1 Source code package structure 52 Figure 3 2 imageWootfs esee neni tentis 54 Set up Build Environment 56 3 2 1 S tenV slhr iuit ad a aee debe e nb Aero 56 Build Instr ctlonis ni oras eere Pe e niende 57 3 3 1 Build u boot Image te code acts 57 3 3 2 Build Linux Kernel 57 3 3 3 Build 242 eed idle er edet LB 57 Source Code 58 3 4 1 Add a Driver to Kernel by menuconfig 58 Figure 3 3 Linux Kernel Configuration 58 Figure 3 4 Selecting Seiko Instruments S 35390A 59 3 4 2 Change ROM 7420 60 Create a Linux System Boot Media 60 3 5 1 Create a Linux System SD 60 3 5 2 Boot from Onboard Flash sss 61 2 53 Boot from SATA ete He peli dde ea udi 61 Debug Message tet ebrei tta a eet rd 62 Figure 3 5 HyperTermi
27. 52 49 45 53 01 ea VX2451 SERIES 80 02 03 22 f1 4f 90 05 04 03 02 07 06 1f 14 13 12 2 0 90 11 16 15 01 23 09 7f 07 83 01 00 00 65 03 Oc 2 4 0 a0 10 00 02 3a 80 18 71 38 2d 40 58 2c 45 00 09 25 2 2 08 QX E 2 50 21 00 00 1e 01 1d 80 18 71 1c 16 20 58 2c 25 00 1 2 g X c0 09 25 21 00 00 9e 01 1d 00 72 51 d 1e 20 28 21 2 00 n d 55 00 09 25 21 00 00 1e 8c Ga d 8a 20 eg 2d 10 0 221 22222 2 2 10 96 00 09 25 21 00 00 18 02 80 d 72 38 gt 8 f 2d 40 10 2c 45 80 09 25 21 00 00 1e 00 00 00 a0 ROM 7420 User Manual 42 If there is nothing connected to HDMI port the result should be as below i2cdump f y 1 0x50 No size specified using byte data access 1 23 45 6 78 9 ab cde f 0123456789abcdef 00 XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX 10 XX XX XX XX XX XX XX XX XX XX XX XX XX 20 XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX 30 XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX 40 XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX 50 XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX 60 XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX 70 XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX
28. Boot Rom selection SW2 1 2 SPI NOR ON OFF ROM DB7500 Evaluation Carrier Board LVDS Power LVDS VDD SLT1 Panel power Setting Description Panel power for LVDS1 Setting Function 1 2 3 39V 3 4 5V 5 6 12V L Ap HH LVDS VDD SLT2 Panel power Setting Description Panel power for LVDS2 Setting Function ROM 7420 User Manual 26 2 5 2 2 2 5 2 3 1 2 3 3V 3 4 5V 5 6 12V 1 c r EL 483 r LVDS Backlight Power LVDS BKLT SLT1 Backlight power Setting Description Panel power for LVDS PWR1 Setting Function 1 2 5V 2 3 12V LVDS BKLT SLT2 Backlight power Setting Description Panel power for LVDS PWR2 Setting Function 1 2 5V 2 3 12V CAN bus CN19 connect 120 termination resistor for CANO Description connect 120 termination resistor for CANO Setting Function 1 2 connect 120ohm termination resistor for CANO 52 CN20 connect 1200hm termination resistor for CAN1 Description connect 120 termination resistor for CAN 1 Setting Function 27 ROM 7420 User Manual 1 2 connect 120 termination resistor for CAN 1 2 5 2 4 SPI NOR Flash gt CN21 chip select for SPI NOR flash Description chip select for SPI NOR flash Setting Function 1 2 connect SPI 0
29. MI CEC IN 155 PCIEO CLK P 156 PCIE WAKEZ 157 PCIEO CLK N 158 PCIE RST 159 160 161 GPO 0 162 GPI 0 163 GPO 1 164 GPI 1 165 166 167 GPO 2 168 GPI 2 169 GPO 3 170 GPI 3 171 172 173 174 175 176 177 178 W_DISABLE 179 PCIEO TX P 180 PCIEO RX P 181 PCIEO TX N 182 PCIEO RX N 183 184 ROM 7420 User Manual 24 185 VGA 186 VGA DDC CLK 187 VGA G 188 VGA DDC DAT 189 VGA B 190 VGA VSYNC 191 192 VGA HSYNC 193 VCC RTC 194 SPKR 195 196 197 198 199 SPI MOSI 200 SPI 0 201 SPI MISO 202 SPI 1 203 SPI SCK 204 TRSTH 205 V5SB 206 V5SB 207 JTAG_TCK 208 JTAG_TDI 209 JTAG_TDO 210 JTAG_TMS 211 5V 212 213 5V 214 215 5V 216 217 5V 218 219 5V 220 221 5V 222 223 5V 224 225 5V 226 227 5V 228 229 5V 230 Figure 2 23 ROM 7420 Pin location 25 ROM 7420 User Manual 2 5 2 5 1 2 5 2 2 5 2 1 Jumper setting There is one switch on ROM 7420 and several jumpers switches on ROM DB7500 this section is to introduce the function of each jumper switch ROM 7420 module board SW2 Boot Rom Selection Part Number 1600000202 Footprint SW 2x2P 50 161X315 Description DIP SW CHS 02TB 20 SMD 4P SPST 1 27 W 5 4mm Pin Pin Name 1 T3V 2 GND This switch is designed for selecting boot up method With Switch 1 on and Switch 2 off the board can boot to the Linux OS stored in onboard flash 1 iM 4 m
30. OM Port Cable P N 1700100250 Part K RS 232 Loopback P N 1654909900 SATA HDDS Figure 2 2 ROM 7420 Development Kit Assembly ROM 7420 User Manual 8 2 3 1 2 3 2 2 3 3 2 3 4 2 3 5 2 3 6 2 3 7 2 3 8 2 3 9 ROM 7420 Part A ROM 7420 is a cost effective low power and high performance Q7 module board without heatsink geared to satisfy the needs for various industrial computing equip ment Based on Freescale i MX6 Processor ARM CortexTM A9 architecture there are DDR3 iNAND flash and other main ICs ROM 7420 is simple assembly compact size fanless module board with extremely low power consumption ROM DB7500 Part B ROM DB7500 is an evaluation carrier board in MinilTX form factor which is designed for Advantech RISC QSeven module only There are 2 LVDS 1 VGA 1 HDMI 4 USB 2x USB Type A 1 x USB OTG 1x 4 pin connector 2 CAN bus with 5V level 4 UART 2wire Tx Rx 3 3V level Mini PCle slot LAN jack and audio jack for MIC speaker test It also has built in SIM slot for 3G module and onboard SD eMMC card slot as extra storage For data storage ROM DB7500 supports SATA2 interface so user can connect SATA hard disk to evaluation board directly For more detail regard ing ROM DB7500 please refer to ROM DB7500 datasheet 7 LVDS LCD Module Part B1 The 7 0 inch Color TFT LCD Module designed with wide viewing angle wide operat ing temperature and long life LEDs backlight is well suited t
31. RT undefined Port IRQ 59 dev ttymxc2 UART undefined Port 0x0000 IRQ 60 dev ttymxc3 UART undefined Port IRQ 61 dev ttymxc4 UART undefined Port 0x0000 IRQ 62 Below test was done with four 2 0mm pitch mini jumpers Advantech P N is 1653302122 This mini jumper is a bridge connecting Tx and Rx CN9 CN10 CN11 CN12 B39 PH 5x2V 2 0mm 2 8 13 1 dev ttymxc1 testing CN9 Hstty F dev ttymxc1 echo Hcat dev ttymxc1 CTRL Z echo hello gt dev ttymxc1 fg Hello CTRL C 47 ROM 7420 User Manual 2 8 13 2 dev ttymxc2 testing CN11 Hstty F dev ttymxc2 echo Hcat dev ttymxc2 CTRL Z echo hello gt dev ttymxc2 fg Hello CTRL C 2 8 13 3 dev ttymxc3 testing CN10 stty F dev ttymxc3 echo cat dev ttymxc3 CTRL Z echo hello gt dev ttymxc3 fg Hello CTRL C 2 8 13 4 dev ttymxc4 testing CN12 stty F dev ttymxc4 echo Hcat dev ttymxc4 CTRL Z echo hello gt dev ttymxc4 fg Hello CTRL C 2 8 14 Watchdog Timer Test Step 1 Executing wdt_driver_test out unit_tests wdt_driver_test out Usage wdt_driver_test lt timeout gt lt sleep gt lt test gt timeout value in seconds to cause wdt timeout reset sleep value in seconds to service the wdt test Service wdt with ioctl 1 with write Step 2 Please try below command to set timeout as 10 seconds system will reboot after then unit_tests wdt_
32. Technology support low power consumption Capabilities of I O expansion UART 4 Dual LVDS Audio USB Host USB Gigabit Ethernet SD SATA GPIO 8 I2C SPI 12 CAN bus with 5V level 2 Mini PCI E with USB PCIe signal inside and VGA HDMI support Supports SATA storage interface and CAN bus for vehicle application Supports Linux 3 0 35 Support working temperature 0 60 C operation temperature Specialized heat spreader design for ROM 7420 3 ROM 7420 User Manual ROM 7420 User Manual H W Installation This chapter introduces the startup procedures of the ROM 7420 hardware including jumper setting and device integration It also introduces the setting of switches indicators and also shows the mechanical drawings Be sure to read all safety precau tions before you begin installation procedure 2 1 ROM 7420 Evaluation Kit Hardware Specifications Table 2 1 ROM 7420 Specification Item Description Kernel CPU Freescale i MX6 Dual 1GHz ARM Cortex A9 2D 3D Accelerators EU OpenGL ES 2 0 and OpenVG 1 1 hardware accelera System RAM 1GB Optional 2GB Onboard Flash 4GB Optional None RTC Yes Watchdog Timer Yes Reset H W reset amp S W reset y o COM 1 RS 232 2 wire TX RX Debug port COM 2 RS 232 2 wire TX RX Pin header COM COM 3 RS 232 2 wire TX RX Pin header 4 RS 232 2 wire TX RX Pin header COM 5 RS 232 2 w
33. a driver to kernel by menuconfig Here is an example to guide you how to add a RTC driver Seiko Instruments S 35390A to Linux kernel Please refer to the following steps 1 Open Terminal on Ubuntu 10 04 LTS sudo su Change to root authority Input user password 4 setenv sh To configure the developing environment automatically 2 3 4 Desktop 742 LBVxxxx scripts 5 6 cfg_kernel sh menuconfig 7 Then you will see a GUI screen Linux Kernel Configuration as below Linux arm 3 0 35 Kernel Configuration Arrow keys navigate the menu Enter selects submenus gt Highlighted letters are hotkeys Pressing Y includes N excludes M modularizes features Press lt gt lt gt to exit for Help for Search Legend built in excluded M module lt gt module capable Patch physical to virtual translations at runtime EXPERIMENTAL General setup Enable loadable module support gt Enable the block layer gt System Type gt Bus support gt Kernel Features Boot options CPU Power Management Floating point emulation gt Userspace binary formats lt Exit gt Help Figure 3 3 Linux Kernel Configuration ROM 7420 User Manual 58 8 10 Select Device Drivers Real Time Clock you will see an option Seiko Instruments S 35390A on the list Choose this option then ex
34. air or replacement When requesting an RMA number please access ADVAN TECH s RMA web site http erma ADVANTECH com tw with an authorized user ID and password You must fill out basic product and customer information and describe the problems encountered in detail in Problem D description Vague entries such as does not work and failure are not acceptable If you are uncertain about the cause of the problem please contact ADVANTECH s Application Engineers AE They may be able to find a solution that does not require sending the product for repair The serial number of the whole set is required if only a key defective part is returned for repair Otherwise the case will be regarded as out of warranty TT ROM 7420 User Manual 5 3 2 2 Returning the Product for Repair Its possible customers can save time and meet end user requirements by returning defective products to any authorized ADVANTECH repair facility without an extra cross region charge It is required to contact the local repair center before offering global repair service It is recommended that you send cards without accessories manuals cables etc Remove any unnecessary components from the card such as CPU DRAM and CF Card If you send all these parts back because you believe they may be part of the problem please note clearly that they are included Otherwise ADVANTECH is not responsible for any items not listed Make sure the Problem Description is enclosed
35. and also could be obtained from books and magazines you can easily find the answers for both Linux specific and general UNIX questions There are also various README files in source linux 3 0 35 Documentation you can find the kernel specified installations and notes for drivers You can refer to source linux 3 0 35 Documentation 00 INDEX for a list of the purpose of each README note 55 ROM 7420 User Manual 3 2 3 2 1 Set up Build Environment All instructions in this guide are based on Ubuntu 10 04 LTS developing environment Please install the Ubuntu 10 04 LTS at your PC NB in advance When you obtain the ROM 7420 Linux source code package please refer to follow ing instructions to extract to your developing environment 1 7420L BVxxxx tar bz2 package to your desktop is the version of the BSP source code Start your Terminal on Ubuntu 10 04 LTS sudo su Change to root authority Input user password Desktop tar xvf 742 LBVxxxx tar bz2 Unzip file Then you can see folder 7420LBVxxxx on desktop Advantech offer you script to setup the developing environment quickly You refer following steps to setup your developing environment Open Terminal on Ubuntu 10 04 LTS sudo su Change to root authority Input user password Desktop 742 LBVxxxx scripts 4 setenv sh To configure the developing environment automatically Then you can sta
36. build u boot image by follow below steps 1 Open Terminal on Ubuntu 10 04 LTS sudo su Change to root authority Input user password Desktop 7420LBVxxxx scripts 4 setenv sh To configure the developing environment automatically cfg_uboot sh To set the u boot configuration automatically mk_uboot sh Start to build the u boot Then you can see u boot crc bin and u boot crc bin crc are being built and located in image LO 5 END Build Linux Kernel Image Advantech offer you a script to build the ulmage quickly You can build ulmage by follow below steps Open Terminal on Ubuntu 10 04 LTS sudo su Change to root authority Input user password Desktop 742 LBVxxxx scripts 4 setenv sh To configure the developing environment automatically cfg_kernel sh To set the ulmage configuration automatically mk_kernel sh Start to build the ulmage Then you can see ulmage is being built and located in image gt Build Log You can find the build log from folder 7420LBVxxxx If you got any error message when building Linux kernel it is suggested to look into the log file to learn more detail about it 57 ROM 7420 User Manual 3 4 Source Code Modification This section will guide you how to use the Linux source code You will see some examples of using BSP source code in this section 3 4 1 Adda Driver to Kernel by menuconfig You can add
37. console ttymxcO 115200 enable wait mode off video mxcfb0 dev hdmi 1920x1080M 60 if RGB24 VGA out please set in u boot as below setenv bootargs base setenv bootargs console ttymxcO 115200 enable wait mode off video mxcfbO dev Icd 1920x1080M 3960 if RGB24 LVDS 1 Single out please set in u boot as below setenv bootargs base setenv bootargs console ttymxcO 115200 enable wait mode off video mxcfb0 dev Idb 1920x1080M 60 if RGB24 Idb sin0 LVDS 2 Split out please set in u boot as below setenv bootargs base setenv bootargs console ttymxcO0 115200 enable wait mode off video mxcfb0 dev Idb 1920x1080M 60 if RGB24 Idb sin1 Multi Display Settings When you want to display dual LVDS VGA and HDMI output please set parameter in U boot as follows This is the default settings in U boot setenv bootargs base setenv bootargs console ttymxc0 115200 enable wait mode off video mode extension 67 ROM 7420 User Manual 3 7 6 video mxcfbO dev hdmi 1920 1080 0260 24 video2mxcfb1 dev lcd 1920x1080M 360 ifZ RGB24 video2mxcfb2 dev ldb 800x480M 3 60 ifZ RGB24 video2mxcfb3 dev ldb 800x480M 3 60 ifZRGB24 Idb sep For display interface clock there are several options Independently for each port listed below 1 Derived from the IPU internal clock Master Mode 2 Provided by an external source Slave Mode 3 The transfer rate supported When a single port is active the pixel clock rate is up to 264 MHz When bot
38. deo18 VGA video19 VGA overlay video20 LVDS 0 video21 LVDS 1 I2C Test There are three i2c bus in ROM 7420 Hls sys class i2c dev i2c 0 i2c 1 12 2 i2cdetect 1 i2c 0 i2c imx i2c I2C adapter i2c 1 i2c imx i2c I2C adapter i2c 2 i2c imx i2c I2C adapter 41 ROM 7420 User Manual Please try below command to know if there is any device connected to i2c bus 1 Hi2cdetect y 1 0 1 2 3 4 5 6 7 8 9 a b cd f rl 105 25 em SS oe me s ob Qus Ee a 30 de she perde ie ee dies tee oe So oe Du eee ee 55 TE Bei sese como 70 so og m ums The 0x50 is the HDMI address So you can try below command to know I2C bus is work or not i2cdump f y 1 0x50 No size specified using byte data access 123456 78 9 abcde f 0123456789abcdef 00 00 ff ff ff ff ff ff 00 5a 63 28 25 01 01 01 01 Zc 10 15 15 01 03 80 34 1d 78 2e 2c c5 a4 56 50 a1 28 4 x VP 20 50 54 bf ef 80 b3 00 a9 40 95 00 90 49 30 81 80 81 00 71 4f 02 3a 80 18 71 38 2d 40 58 2c 22 402 2248 0 40 45 00 09 25 21 00 00 1e 00 00 00 ff 00 53 45 32 E A SE2 50 31 31 32 31 30 30 33 36 34 0a 00 00 00 fd 00 32 112100364 2 60 4b 18 53 12 00 0a 20 20 20 20 20 20 00 00 00 fc K S sex 70 00 56 58 32 34 35 31 20 53 45
39. driver_test out 10 5 Starting wdt_driver timeout 10 sleep 5 test ioctl Trying to set timeout value 10 seconds The actual timeout was set to 10 seconds Now reading back The timeout is 10 seconds Press CTRL C then you should be able to see below result imx2 wdt imx2 wdt 0 Unexpected close Expect reboot Then system will reboot in 10 seconds ROM 7420 User Manual 48 2 8 15 Audio Test Execute the following commands to run the Audio demo application on ROM 7420 Hcd unit tests aplay audio8k16S wav Then you can hear the music from speaker head sets 2 8 16 Photo Demo Test Execute the following commands to run the Photo demo application on ROM 7420 tools fbv Advantech jpg Then you can see the photo demo on the default display screen AD ANTECH Enabling an Intelligent Planet 49 ROM 7420 User Manual ROM 7420 User Manual 50 Software Functionality This chapter details the Linux operating system on the ROM 7420 platform 3 1 3 1 1 3 1 2 ROM 7420 platform is an embedded system with Linux kernel 3 0 35 inside It con tains all system required shell commands and drivers ready for ROM 7420 platform We do not offer IDE developing environment in ROM 7420 BSP users can evaluate and develop under Ubuntu 10 04LTS environment and the BSP for ROM 7420 sup ports console mode only There are three major boot components for Linux u boot bin ulmage and File System The
40. e items are not DOA but fail within warranty the sender will bear the freight charges For out of warranty cases customers must cover the cost and take care of both outward and inward transportation 5 3 2 3 Service Charges The product is excluded from warranty if The product is repaired after expiry of the warranty period The product is tested or calibrated after expiry of the warranty period and a No Problem Found NPF result is obtained The product though repaired within the warranty period has been misused abused or subjected to unauthorized disassembly modification placed in an unsuitable physical or operating environment improperly maintained by the customer or failure caused which ADVANTECH is not responsible whether by accident or other cause Such conditions will be determined by ADVAN TECH at its sole unfettered discretion The product is damaged beyond repair due to a natural disaster such as a lighting strike flood earthquake etc Product updates and tests upon the request of customers who are without warranty ROM 7420 User Manual 78 5 3 2 4 5 3 2 5 5 3 2 6 If a product has been repaired by ADVANTECH and within three months after such a repair the product requires another repair for the same problem ADVANTECH will do this repair free of charge However such free repairs do not apply to products which have been misused abused or subjected to unauthorized disassembly modification
41. e the carrier board design meets their full requirements For software develop ment Advantech RISC software team can assist customers to establish an environ ment for software development and evaluate the amount of time and resources needed If customers outsource software development to a 3rd party Advantech can also cooperate with the 3rd party and provide proficient consulting services With Advantech s professional support the design process becomes much easier and product quality will be improved to meet their targets Integration stage This phase comprises HW SW integration application development and peripheral module implementation Due to the lack of knowledge and experience on platforms customers need to spend a certain amount of time on analyzing integration problems In addition peripheral module implementation has a lot to do with driver designs on carrier boards RISC platforms usually have less support for ready made drivers on the carrier board therefore the customer has to learn from trial and error and finally get the best solution with the least effort Advantech s team has years of experience in customer support and HW SW development knowledge Consequently we can support customers with professional advice and information as well as shortening development time and enabling more effective product integration 75 ROM 7420 User Manual 5 2 Validation stage After customer s ES sample is completed the next step is a s
42. ebug Port setting ROM 7420 can communicate with a host server Windows or Linux by using serial cables Common serial communication programs such as HyperTerminal Tera Term or PuTTY can be used in this case The example as below describes the serial termi nal setup using HyperTerminal on a Windows host 1 2 3 Connect ROM 7420 with your Windows PC by using a serial cable Open HyperTerminal on your Windows PC and select the settings as shown in Figure 3 6 After the bootloader is programmed on SD card press POWER key to power up the board The bootloader prompt is displayed on the terminal screen 1 Properties 2 N Pot Settings Bits per second 115200 Data bits 3 vi Party ra Stop bits 1 vj Figure 2 27 HyperTerminal Settings for Terminal Setup 35 ROM 7420 User Manual 2 7 2 Power on evaluation board The tolerance of power input is 12V 5 Please avoid over voltage 1 Insert Power adapter connector to DC jack on ROM DB7500 2 Er pr B s lt ROM 7420 User Manual 36 2 8 2 8 1 2 8 2 Test Tools All test tools must be verified on ROM 7420 Evaluation kit please prepare required test fixtures before verifying each specified I O If you have any problem to get the test fixture please contact your Advantech contact window for help eMMC Test Step1 Create a file and copy to eMMC Hecho 123456789ABCDEF gt test txt
43. ectors Pin Signal 1 CT 2 MDIO 3 MDIO 4 MDI1 5 MDI1 6 MDI2 7 MDI2 8 MDI3 9 MDI3 10 GND 11 ACTIVE LED 12 ACTIVE LED 13 LINK 1000 14 LINK 100 15 5V 16 USB PORT 2 17 USB PORT 2 18 GND 19 5V 20 USB PORT 1 21 USB PORT 1 22 GND 15 ROM 7420 User Manual Figure 2 10 LAN Jack and USB Port I amp J Audio The red one is Line in and the port in lime is for earphone speaker out Pin Signal 1 GND 2 3 4 5 MIC in 22 HPL 23 24 25 Figure 2 11 Schematics for Audio Jack ROM 7420 User Manual 16 2 4 2 Internal connectors amp headers ROM DB7500 also supports several functions through on board connector pin header These connector and pin header may not be placed in the coastline of evalu ation boar but they are still located in the appropriate place for better accessibility K LVDS Data Connector 40 pin Please also refer to jumper setting in page 10 before connecting LVDS panel Pin Signal Name Pin Signal Name 1 VOC 21 LVDS A2 2 VCC 22 NC 3 GND 23 GND 4 GND 24 GND 5 VCC 25 LVDS_CLKA 6 VCC 26 NC 7 LVDS_AO 27 LVDS_CLKA 8 NC 28 NC 9 LVDS 0 29 GND 10 NC 30 GND 11 GND 31 LVDS DDC CLK 12 GND 32 LVDS DDC DATA 13 LVDS 1 33 GND 14 NC 34 GND 15 LVDS_A1 35
44. eries of verification steps In addition to verifying a product s functionality the related test of the product s efficiency is also an important part at this stage especially for RISC platforms As a supportive role Advantech primarily helps customers solve their problems in the testing process and will give suggestions and tips as well Through an efficient verifi cation process backed by our technical support customers are able to optimize their applications with less fuss Furthermore Advantech s team can provide professional consulting services about further testing and equipment usage so customers can find the right tools to efficiently identify and solve problems to further enhance their products quality and performance Contact Information Below is the contact information for Advantech customer service Region Country Contact Information America 1 888 576 9688 Brazil 0800 770 5355 Mexico 01 800 467 2415 Europe Toll Free 00800 2426 8080 Singapore amp SAP 65 64421000 Malaysia 1800 88 1809 Australia Toll Free 1300 308 531 China Toll Free 800 810 0345 800 810 8389 Sales advantech com cn India Toll Free 1 800 425 5071 Japan Toll Free 0800 500 1055 Korea Toll Free 080 363 9494 080 363 9495 Taiwan Toll Free 0800 777 111 Russia Toll Free 8 800 555 01 50 5 3 5 3 1 5 3 1 1 You can also reach our service team t
45. et ROM 7420 is a RISC on module ROM board solution with Freescale i MX6 processor in ARM Cortex A9 architecture a complete 64 bit data bus Dual Core 1GHz speed SoC engine It is a high performance module board which is ready to run compact and easy to expansion which can easily fulfill the features needed in different vertical markets With ROM 7420 Freescale ARM Coretex A9 i MX6 QSeven Module you will have flexible I O interfaces and complete hardware and software solutions in low cost Advantech involves in Computer on modules COM development for years and started RISC on Module ROM product development since 2010 In order to strengthen design in serviceability and speed up the process we are ready to pro vide you several hardware design utilities including Schematics Checklist and Layout Checklist for Carrier board design You can check your carrier board design in detail through these tools easily Advantech also offers Evaluation Carrier Board for every single RISC on Module products and bring you the necessary equipment and S W test utility that will help reduce design efforts and speed up application development ROM 7420 Evaluation Kit is a complete solution for you to evaluate hardware perfor mance and software capabilities It includes the board level solution that developers would need like carrier board and debug port adapter board With ROM 7420 Evalu ation kit you can start software development in advance and working
46. experience in general power and I O design causes many challenges for them especially integrating CPU modules into their carrier board The acquisition of information Even if the individual client is able to obtain sufficient information to make the right decision for the specialized vertical application some customers encounter difficult problems dealing with platform design in general and communicating with CPU or chipset manufacturers thereby increasing carrier board design difficulties and risk as well as seriously impacting on Time to market and lost market opportunities Software development and modification Compared to x86 architectures RISC architectures use simpler instruction sets therefore the software support for x86 platforms cannot be used on RISC platforms System integrators need to develop software for their system and do the hardware and software integration themselves Unlike x86 platforms RISC platforms have less support for Board Support Packages BSP and drivers as well Even though driver support is provided Sls still have to make a lot of effort to integrate it into the system core Moreover the BSP provided by CPU manufacturers are usually for carrier board design so it s difficult for Sls to have an environment for software develop ment In view of this Advantech proposed the concept of Streamlined Design in Support Services for RISC based Computer On Modules COM With a dedicated profes sional design in
47. for R amp D used Pin out is defined as below Pin Signal Name Pin Signal Name 1 VREF 2 3 3V 3 TRST 4 Ground 5 TDI 6 Ground 7 TMS 8 Ground 9 TCK 10 Ground 11 RTCK 12 Ground 13 TDO 14 Ground 15 SRSTH 16 Ground 17 DBGRQ 18 Ground 19 DACK 20 Ground 1 2 3 4 5 6 5 E 10 000000000 11 12 0000000000 13 14 15 16 17 18 19 20 Figure 2 17 JTAG Pin header 19 ROM 7420 User Manual V UART ROM 7420 supports only 2 wire UART Tx Rx 3 3V level We reserve pin header on ROM DB7500 for device integration Pin Signal Name 1 2 3 Serial DATA input 4 5 Serial DATA output 6 7 8 9 Ground 10 88883 00000 Figure 2 18 UART Pin header M Mini PCI E Full size mini PCle slot supports both USB and PCIe interface If the Wi Fi card is only half sized please purchase extending bracket P N 1960047454N000 for Wi Fi card fixing Pin Signal Name Pin Signal Name 1 WAKE 2 3 3Vaux 3 Reserved 4 GND 5 Reserved 6 1 5V 7 CLKREQ 8 UIM_PWR 9 GND 10 UIM_DATA 11 REFCLK 12 UIM CLK 13 REFCLK 14 UIM_RESET 15 GND 16 UIM_VPP Mechanical Key 17 Reserved UIM_C8 18 GND 19 Reserved UIM_C4 20 W_DISABLE 21 GND 22 PERST 23 PERnO 24 3 3Vaux 25 PERpO 26 GND 27 GND 28 1 5V 29 GND 30 SMB CLK 31 PETnO 32 SMB DATA 33 PETpO 34 GND 35 GND 36 USB D 37 GND 38 USB D 39 3 3VAUX 40 GND 41 3 3VAUX 42 LED WWAN Z
48. g causes the driver for this interface to be shut down address The IP address to be assigned to this interface netmask addr Set the IP network mask for this interface This value defaults to the usual class A B or C network mask as derived from the interface IP address but it can be set to any value broadcast addr If the address argument is given set the protocol broadcast address for this interface Otherwise set or clear the IFF BROADCAST flag for the interface del addr prefixlen Remove an IPv6 address from an interface 3 7 7 Storage SATA eMMC SD card 3 7 8 The storages devices are named as follows Device Name SATA dev sda eMMC dev mmcblkO SD card dev mmcblk1 3G Sample Code The code of 3glink we have tried this command in 3G test Section 2 8 8 1 bin bash mount t tmpfs rwfs var o size 5M remount echo Send AT commands pppd connect chat v s t 10 AT ATDT 99 CONNECT user username password password dev ttyUSB2 460800 nodetach crtscts debug usepeerdns defaultroute amp 69 ROM 7420 User Manual 3 7 9 Initial Code Please check initial code of I2C below you can find it from linux 3 0 35 arch arm mach mx6 board mx6q rom7420 h I2C static static static struct i2c board info mxc i2c board info initdata I2C BOARD INFO sgt15000 I2C BOARD INFO s35390a 0x30 s
49. h LVDS ports are active you have to follow below condition 1 Each pixel clock rate may be up to 220 MHz 2 The sum of pixel clock rates is up to 240 MHz Note Specified pixel clocks frequencies are applicable for internal clocks but may be limited by IO buffers speed capability Final numbers are sub jected to AC characterization Network Setup Default IP get form DHCP Manual Set IP by below command ifconfig ethO 192 168 0 1 up ifconfig is to configure network interfaces the manual page is as below SYNOPSIS ifconfig v a s interface ifconfig v interface aftype options address OPTIONS a display all interfaces which are currently available even if down 5 display short list like netstat i V be more verbose for some error conditions interface The name of the interface This is usually a driver name fol lowed by a unit number for example eth for the first Ethernet interface If your kernel supports alias interfaces you can specify them with eth0 0 for the first alias of eth You can use them to assign a second address To delete an alias inter face use ifconfig eth0 0 down Note for every scope i e same net with address netmask combination all aliases are deleted if you delete the first primary aftype up This flag causes the interface to be activated It is implicitly specified if an address is assigned to the inter face ROM 7420 User Manual 68 down This fla
50. he return fee to an authorized ADVANTECH repair facility will be at the customers expense The shipping fee for reconstructive products from ADVANTECH back to customers sites will be at ADVANTECH s expense Exclusions from Warranty The product is excluded from warranty if The product has been found to be defective after expiry of the warranty period Warranty has been voided by removal or alternation of product or part identi fication labels The product has been misused abused or subjected to unauthorized disas sembly modification placed in an unsuitable physical or operating environ ment improperly maintained by the customer or failure caused which ADVANTECH is not responsible whether by accident or other cause Such conditions will be determined by ADVANTECH at its sole unfettered discre tion The product is damaged beyond repair due to a natural disaster such as a lighting strike flood earthquake etc Product updates upgrades and tests upon the request of customers who are without warranty Repair Process Obtaining an RMA Number All returns from customers must be authorized with an ADVANTECH RMA Return Merchandise Authorization number Any returns of defective units or parts without valid RMA numbers will not be accepted they will be returned to the customer at the customer s cost without prior notice An RMA number is only an authorization for returning a product it is not an approval for rep
51. hrough the website below our technical sup port engineer will provide quick response once the form is filled out http www advantech com tw contact default aspx page contact_form2 amp sub ject Technical Support Global Service Policy Warranty Policy Below is the warranty policy for Advantech products Warranty Period Advantech branded off the shelf products and 3rd party off the shelf products used to assemble Advantech Configure to Order products are entitled to a 2 years complete and prompt global warranty service Product defect in design materials and work manship are covered from the date of shipment All customized products will by default carry a 15 months regional warranty service The actual product warranty terms and conditions may vary based on sales contract ROM 7420 User Manual 76 5 3 1 2 5 3 1 3 5 3 2 5 3 2 1 All 3rd party products purchased separately will be covered by the original manufac turer s warranty and time period and shall not exceed one year of coverage through Advantech Repairs under Warranty It is possible to obtain a replacement Cross Shipment during the first 30 days of the purchase thru your original ADVANTECH supplier to arrange DOA replacement if the products were purchased directly from ADVANTECH and the product is DOA Dead on Arrival The DOA Cross Shipment excludes any shipping damage cus tomized and or build to order products For those products which are not DOA t
52. inux source code Uboot source code root file system and some scripts used in OS development Some of above components are developed by Advantech and the others are devel oped by open source community ROM 7420 source code package is composed of six main folders cross compiler document image package scripts and source Note ROM 7420 source code package BSP is Advantech s Intellectual Property If you need to access this package please contact your Advantech support window cross compiler document image package scripts source Figure 3 1 Source code package structure ROM 7420 User Manual 52 3 1 2 1 3 1 2 2 3 1 2 3 The description of 7420LBVxxxx package contents cross compiler This folder contains source code for cross compiler B document This folder contains user guide B image This folder contains the ulmage and the script for making Linux system media automatically B image rootfs This folder contains Linux root file system package This folder contains source code provided by Freescale with out any modification B scripts This folder contains scripts for configure system and compile images automatically B source This folder contains source code owned by Advantech cross compiler You can use the cross compiler toolchain to compile the ulmage and related applica tions gcc version is 4 6 2 20110630 Toolchai
53. ion 31 2 6 53 ROM DB7500 Board 32 Figure 2 26ROM DB7500 Board Dimension 32 Quick Start of 7420 20200 40 000 00 00 33 2 7 1 Debug Port 44000 0 33 Figure 2 27 HyperTerminal Settings for Terminal Setup 35 2 7 2 Power on evaluation 36 IQ 37 2 91 37 2 8 2 SATA Test oc pad d aded eds 37 2 8 3 USB TeSt cde sata uote 38 2 84 SD 38 2 8 5 GPIO edite 39 2 8 6 LVDS HDMI VGA 40 280 A20 iic sb vem dice tai vada 41 2 8 8 Mini PCle 3G and Wifi Test 43 28 9 44 2 8 10 Audio Out and MIC In 45 2 8 11 OpenGL Test ceo nate et ite ie ee d ERI RE dede 45 2 8 12 LAN T6St ecce e veteri dee locut erue a cedex 46 2 8 13 85232 5 Rad eee 47 2 8 14 Watchdog Timer Test eene nennen 48 2 8 15 Audio T6St iic ach dei coin e taie re deae er edid a ade dd veh dus 49 2 89 16 Photo DEMO 4 ia
54. ire TX RX Pin header Ethernet LAN 1 10 100 1000 Gigabit Ethernet RJ 45 USB Port 2 x USB 2 0 Type A 1x USB 2 0 Pin Header USB OTG 1 x USB 2 0 SD MMC 1 x SD MMC card slot Mini PCI E 1 x Control by USB amp PCle interface SIM Card slot 1x SATA 1x 2 Interface 3x 125 Interface 1x SPI Interface 1x CAN BUS 2 x 5V level GPIO 8 x 3 3V TTL level GPIOs Buzzer control Yes Multimedia Graphic Chip CPU internal LCD controller LCD Resolution Default 800 x 480 7 WVGA Optional 320 x 240 1920 x 1080 LVDS 2x HDMI 1x VGA 1x Brightness Yes Backlight Control Audio Line out Stereo amp Mic in Stereo ROM 7420 User Manual 2 2 Power DC input 12V Power Consumption Normal Run 2 5W P Full Run 5W Power Control 1 x Power button 1 x Reset button 1 x Sleep mode button Power Management Standard mode Sleep mode Mechanical and Environmental Board size ROM 7420 70x70x5mm PCB thickness 1 2mm 10 layers ROM DB7500 170 x 170 x 30 mm PCB thickness 1 2mm 8 layer Weight ROM 7420 22g ROM DB7500 240g Operation Temperature 0 60 C 32 140 Operating Humidity 5 95 Relative Humidity non condensing Vibration 3 5G 1000 times Others RoHS Yes Certification CE FCC Class B O S Embedded Linux 3 0 35 ROM 7420 Board Block Diagram Bel
55. it and save your configuration Real Time Clock Arrow keys navigate the menu Enter selects submenus gt Highlighted letters are hotkeys Pressing Y includes N excludes M modularizes features Press lt Esc gt lt Esc gt to exit for Help for Search Legend built in excluded M module lt gt module capable gt Xicor Intersil X1205 Philips PCF8563 Epson RTC8564 Philips PCF8583 ST M41T62 65 M41T80 81 82 83 84 85 87 TI BQ32000 Seiko Instrument Ramtron FM3130 Epson RX 8581 Epson RX 80255A NB EM Microelectronic EM3027 Micro Crystal RTC OA NN NANA vv VY 1 1 1 1 1 1 1 1 lt Exit gt lt Help gt Figure 3 4 Selecting Seiko Instruments S 35390A Change directory to source linux 3 0 35 arch arm mach mx6 edit the board mx6q ROM 7420 h and board mx6q advantech c Please add below codes to source linux 3 0 35 arch arm mach mx6 board mx6q ROM 7420 h I2C static struct i2c board info mxc i2c0 board info _ initdata I2C BOARD INFO sgtl5000 I2C BOARD INFO s35390a 0x30 Please add below codes to source linux 3 0 35 arch arm mach mx6 board mx6q advantech c i2c register board info 0 mxc i2c0 board info ARRAY SIZE mxc i2c0 board info Please refer to former Chapter 3 3 2 to rebuild the kernel with
56. lated parameters The LVDS video mode database is stored in linux 3 0 35 drivers video mxc Idb c You can add a new one for your LVDS panel static struct fb videomode ldb modedb LDB XGA 60 1024 768 15385 220 49 21 7 60 19 e FB VMODE NONINTERLACED FB MODE IS DETAILED The definition of fb videomode in linux 3 0 35 include linux fb h The name field is optional If you input this value it can be used in U Boot environ ment settings The refresh field is the screen refresh frame rate such as 60Hz 70Hz The resolution can be filled in the xres amp yres fields ROM 7420 User Manual 66 3 7 5 2 3 7 5 3 The pixel clock pixclock is equaled to 1012 Total horizontal line Total vertical line DCLK For example the total horizontal line is 1344 DCLK and total vertical number is 806 horizontal lines The DCLK frequency is 60 MHz Therefore we can get 1012 1344 806 60 15385 The margin values can be seen as front porch amp back porch The sync len means pulse width The sync value indicates the sync polarity low or high struct fb videomode 4 const char name optional u32 refresh optional u32 xres u32 yres u32 pixclock u32 left margin u32 right margin u32 upper margin u32 lower margin u32 hsync len u32 vsync len u32 sync u32 vmode u32 flag Single Display Settings HDMI out please set in u boot as below setenv bootargs base setenv bootargs
57. n directory structure is as follow bin toolchain with prefix such as arm none linux gnueabi gcc etc lib library files used for toolchain itself not for application arm fsl linux gnueabi bin toolchain without prefix such as gcc debug root all debug tools multi libs all libraries and headers armv5 library for armv5 i mx 2xx only support soft float point armv6 library for armv6 i mx 3xx soft fpu version armv7 a library for armv7 a i mx5xx and i mx6xx hardware fpu version lib default library It can be used for armv4t and above usr include header files for the application development lib three part library and static built library Freescale document User guide of how to setup up the environment of development image This folder includes ulmage amp u boot 53 ROM 7420 User Manual 3 1 2 4 imagelrootfs Linux adopts Hierarchical File System HFS image rootfs is the Linux file system in highest level of the tree structure image rootfs is just like the trunk of the tree Its sub directories are the branches and the files in these directories are the leaves of the tree image rootfs contains all subdirectories and files used in the file system that s why it is called the root of the whole file system The main folders in rootfs are listed as follows bin dev etc home lib mnt opt proc root sbin
58. n disabled vcan Virtual CAN interface driver flexcan netdevice driver flexcan imx6q flexcan device registered reg base c09b8000 irq 142 flexcan imx6q flexcan 1 device registered reg base c09e8000 irq 143 can controller area network core rev 20090105 abi 8 can raw protocol rev 20090105 can broadcast manager protocol rev 20090105 t Step 2 Activate CAN device Hip link set up type can bitrate 125000 flexcan imx6q flexcan 0 writing ctrl 0x0e312005 Hip link set cani up type can bitrate 125000 flexcan imx6q flexcan 1 writing ctrl 0x0e312005 Note Bitrate is supported from 1 to 1M EH Step 3 Send and Receive CAN frames Receive CAN frames cantest amp Send CAN frames cantest 1 12345678 123412341234 read 16 bytes 12345678 6 12 34 12 34 12 34 ROM 7420 User Manual 44 2 8 10 Audio Out and MIC In Test 2 8 11 MIC IN command is as follows arecord t wav c 1 r 44100 d 5 2 wav 44100 is the sample rate Audio out command is as follows Haplay 2 wav OpenGL Test Please follow below instructions to test OpenGL on ROM 7420 platform Step 1 Load kernel module galcore ko modprobe galcore 1smod Module Size Used by galcore 130655 g serial 23346 0 Step 2 Change path to opt viv samples vdk opt viv samples vdk Hls tutorial tutoriali tutorial2 es20 tutorial4 tutorial5 es20 tutorial1 es20 tutorial3 tutorial4 es20 tutorial6 tutorial2 tutorial3 es20 t
59. n you can see the video demo on the default display screen gt SS ROM 7420 User Manual 40 2 8 6 2 Testing through gst launch for multi display 2 8 7 If you d like to do multiple display such as dual LVDS VGA and HDMI output you should set parameter in uboot first Please refer to section 3 7 5 3 for more detail Once the display method is set up please follow below instruction run gst launch to play video Step1 Turn ON the HDMI display please type as below gst launch playbin2 uri file tools Advantech avi video sink mfw_v4lsink device dev video16 amp Step2 Turn ON VGA display at the same time please type gst launch playbin2 uri file tools Advantech avi video sink mfw_v4lsink device dev video18 amp You can see display independent both show Advantech avi at the same time If you d like to set the output audio as HDMI out or speaker out please add the parameter of plughw A Plughw 0 Output the audio through audio jack AUDIO1 gst launch playbin2 uri file tools Advantech avi video sink mfw_v4lsink device dev video17 audio sink alsasink device plughw 0 B Plughw 1 Output the audio through HDMI gst launch playbin2 uri file tools Advantech avi video sink mfw_v4lsink device dev video17 audio sink alsasink device plughw 1 If you d like to change display monitor please refer to below table video16 HDMI video17 HDMI overlay vi
60. nal Settings for Serial Console Setup 62 Linux Software and Testing on 7420 63 3 7 1 Hello World Application and Execution 63 3 7 2 Watchdog Timer Sample 64 37 3 GPI setting n se T 65 vi Chapter Chapter 4 5 5 1 5 2 5 3 3 7 4 RS232 Initial Code tet b e t tbe epa decr 66 3 7 5 Display Output 66 3 7 6 Network Setup 68 3 7 7 Storage SATA eMMC SD 69 3 78 3G ample 2 69 3 7 9 126 Initlal Gode aer or ERE t 70 System Recovery 71 Advantech Services 73 RISC Design in enne 74 Contact Information iride 76 Global Service 76 9 3 1 Warranty Policy ie ier riter derecha aie 76 5 3 2 Repair Process TT vii ROM 7420 User Manual ROM 7420 User Manual viii Product Overview This chapter briefly introduces ROM 7420 platform 1 1 Introduction In order to offer variable RISC platform requirement and market demand a more effi cient and low risk solution Advantech brings a new RISC module board ROM 7420 to the mark
61. nt cable connects ROM DB7500 USB OTG1 with PC or NB They can recognize ROM DB7500 in Windows system 2 3 11 USB 4 pin to Type A Cable Part G This USB adapter cable extends USB Type A from USB 4 pin pin header on board You can connect USB mouse keyboard to ROM DB7500 through this cable 2 3 12 12V Power Adapter Part H The AC to DC power device provides a 12V DC output 36W max with constant volt age sources 100V 240V 2 3 13 COM Port Cable D SUB 9P to Housing Part J The cable is used to extend COM port pin header from ROM DB7500 to D SUB 9P serial port connector 2 3 14 RS 232 Loopback Part K The loopback terminal is used for test purpose only 2 4 ROM DB7500 Connectors The following table shows the connector and key IC on ROM DB7500 Table 2 3 ROM DB7500 onboard connectors and key IC Connector Description CYPRESS CY7C65630 56LFXA 4 Port USB Hub 56 pin QFN 8 x 8 mm Freescale SGTL5000 I2S Audio Codec 32 pin QFN 5 0 x 5 0 mm QFN D SUB 15 pin VGA female connector HDMI Connector Stacked USB RJ45 receptacle connector with GbE Transformer amp LED D SUB 9 pin Can Bus male connector D SUB 9 pin GPIO Port female connector 2 port Audio Jack DC in Jack MXM 230 pin socket for module board LVDS Data Connector 40 pin LVDS Inverter Power Connector 5 pin PCI E X1 Mini Card connector SIM Card 6 pin Connector SD Card Connector USB 1x5 OTG Connector USB 1x4 2 54mm pin header Black SATA 7
62. o root authority Type user password Desktop 7420LBVxxxx scripts 4 setenv sh To configure the developing environment automatically source mkdir helloworld Create your own work directory on the Desktop helloworld Enter the work directory gedit helloworld c Create a new C source file Edit the helloworld c with the following source code include lt stdio h gt void main OD OO PON printf Hello World n 10 Save the file and exit 11 CC o helloworld helloworld c To compile helloworld c 12 Then you can see helloworld in current directory 13 Insert the Linux system SD card to your developing computer 14 cp helloworld media rootfs tool media rootfs is the mounted point of your Linux system SD card 15 Remove this SD card and insert it to ROM 7420 then open serial console 16 On ROM 7420 platform type root Login 17 On ROM 7420 platform type cd tool 18 On ROM 7420 platform type helloworld 19 Now you should be able to see Hello World shown on ROM 7420 63 ROM 7420 User Manual 3 7 2 Watchdog Timer Sample Code WatchDog Timer WDT sample code is as below include lt stdio h gt include lt stdlib h gt include fcntl h include lt linux watchdog h gt include lt sys ioctl h gt include lt unistd h gt void help info void int main int argc const char argv int fd timeout sleep sec test int count 1 if argc
63. o be the display units for Industrial Applications LED driving board for backlight unit is included in this panel and the structure of the LED units is replaceable It s built in timing controller and LVDS interface The display supports the WVGA 800 H x 480 V screen format and 16 2M colors RGB 24bits or 262K RGB 18bits selectable LCD Backlight Cable Part B2 The LVDS backlight cable connects ROM DB7500 LVDS PWR1 amp LVDS PWR2 with the LCD backlight connector of 7 LVDS LCD Module LVDS Cable Part B3 The LVDS cable connects ROM DB7500 LVDS connector LVDS1 amp LVDS2 with the LCD signal connector of 7 LVDS LCD Module SQFlash SD Card Part C The SQFlash SD card is a standard SD device It is the flash based solid state drive available and uses SLC NAND flash memory making it ideal as an embedded SSD solution It connects on SD1 of ROM DB7500 SATA Power Cable Part D1 The SATA power cable provides the power signal for SATA HDD by connecting ROM DB7500 CN4 with the SATA HDD SATA Cable Part D2 The SATA cable provides the control signal with SATA HDD by connecting ROM DB7500 CN3 with the SATA HDD ROM DB7500 supports only up to SATA2 3 0 GB no SATA3 support Mini USB Host Cable Part E The mini USB Host cable connects ROM DB7500 USB OTG1 with one USB client device For example USB mouse keyboard or flash disk 9 ROM 7420 User Manual 2 3 10 Mini USB Client Cable Part F The mini USB Clie
64. on carrier board design in the meantime to reach the target of time to market With the Cable kit and Panel kit provided by Advantech you can connect your own devices to evalua tion carrier board for test and integration purpose Additionally Advantech brings you more optional accessories such as Wi Fi module 3G module Antenna and Thermal solution for project evaluation application development that minimize the efforts of compatibility test and driver porting ROM 7420 Evaluation Kit has already integrated complete certified functions in Linux kernel 3 0 35 the test utilities and H W develop ing tool offered will facilitate the whole process of project development and makes your project become easy and risk free ROM 7420 User Manual 2 1 2 Features ROM 7420 adopts Freescale i MX6 Dual Core Processor ARM Cortex 9 archi tecture as its SoC solution The main features of this platform are followed by QSeven 1 2 standard with a heatsink less compact reliable amp great power manage ment Therefore ROM 7420 platform is suitable for following applications HMI Human Machine Interface W Portable devices E Fleet management Navigation Industrial data collector And the main features of Freescale i MX6 processors are shown as follows ARM Cortex A9 high performance processor dual core 1GHz Supports OpenGL ES 2 0 OpenVG 1 1 hardware accelerators full HD 1080p video codec B Freescale Smart Speed
65. ot from SATA without SD card ARKEN 61 ROM 7420 User Manual 3 6 Debug Message ROM 7420 can connect to a host PC Linux or Windows by using console cable and debug port adapter In order to communicate with host PC serial communication pro gram such as HyperTerminal Tera Term or PuTTY is required Below are the detailed instructions for how to set up serial console a HyperTerminal on a Windows host 1 Connect ROM 7420 to your Windows PC by using serial cable debug port adapter and console cable 2 Open HyperTerminal on your Windows PC and select the settings as shown in Figure 3 5 3 Press POWER key to power up the board The bootloader prompt is displayed on the terminal screen con Properties 28 Por Settings per second 115200 Data bits 8 29 ne 2 Stop bits 1 M Figure 3 5 HyperTerminal Settings for Serial Console Setup ROM 7420 User Manual 62 3 7 3 7 1 Linux Software AP and Testing on ROM 7420 This section will guide you how to develop your own application under Linux environ ment First of all an example Hello World will be shown And then you will see some pre installed test programs on ROM 7420 will be introduced in this section Hello World Application and Execution This section will guide you how to write a sample application Hello World You can refer to following steps Open Terminal on Ubuntu 10 04 LTS sudo su Change t
66. ow is the block diagram of ROM 7420 LVDS 1 GLAN PHY AR8033 AL1B i MX6 SEIKO Dual Quad RER SATA Gbps Freescale BT MODE 1GHz JTAG BT MODE MFG TOOL DEBUG SD2 3 0 UART1 2Pin I2C SDIO eMMC VGA Transmitter CH7055A Figure 2 1 ROM 7420 Block Diagram 7 ROM 7420 User Manual 2 3 Development Kit H W Installation The Figure 2 1 is ROM 7420 Evaluation Kit Assembly and the detail descriptions and Advantech P N are shown below Please refer to Figure 2 2 and double confirm there is nothing missing from your evaluation kit Table 2 2 ROM 7420 Development Kit Assembly Item Description Advantech P N Part A ROM 7420 PIN ROM 7420CF A78AAE Part B ROM DB7500 P N ROM DB7500 SCOOE Part B1 7 LCD LED Backlight LVDS 800x480 P N 96LEDK A070WV40NB1 Part B2 LCD Backlight Cable P N 1700021882 01 Part B3 LVDS Cable P N 1700021883 01 Part C SQFlash SD Card SLC 2GB 40 85 C P N SQF ISDS2 2G ETE Part D1 SATA Power Cable P N 1700021941 01 Part D2 SATA Cable P N 1700004711 Part E Mini USB Host Cable P N 1700019076 Part F Mini USB Client Cable P N 1700019077 Part G USB 4 pin to Type A Cable P N 1700021861 01 Part H ADAPTER 100 240V 12V 3A P N 1757003553 3Pin Power Cord USA Standard Optional P N 1700001524 Part I 3pin Power Cord Europe standard Optional P N 170203183C 3pin Power Cord UK standard Optional P N 170203180A Part J C
67. pin signal connector Blue I2C 1x4 2 0mm Header JTAG 2x10 2 54mm Header UART Terminal Connector System Fan Header Front Panel Header lt Z ALC TIT o TUM Oo oO a gt ROM 7420 User Manual 10 Table 2 3 ROM DB7500 onboard connectors and key IC Y Main Power Connector ATX 24 pin PSU connector Z Power Connector ATX 4 pin PSU connector AA Battery Holder AB Power On Button AC Sleep Button AD Reset Button AE Watchdog Trigger Button Below is the corresponding on board connectors mentioned in above table le 0000 Figure 2 3 ROM DB7500 Connector Position 11 ROM 7420 User Manual 2 4 1 Back panel connectors There are several connectors located in the back panel of ROM DB7500 Since ROM DB7500 is in mini ITX form factor it can fit any mechanical chassis specialized for minilTX form factor As a result below back panel l Os were reserved for system leveled integration Figure 2 4 Back Panel connectors Item Description P N A DC Jack 1652005624 B CAN Bus 1 1654009494 C CAN Bus 2 1654009494 D VGA Port 1654010443 E HDMI Port 1654010528 01 F GPIO Port 1654008866 G NIC Port 0 GbE 1652003674 H USB 2 0 Port 2 lower and 1 upper 1652003674 Line Out Port 1652005286 J MIC In Port 1652005286 A DC Jack Connector Please apply 12V power adapter
68. pment has obvious signs of breakage DISCLAIMER This set of instructions is given according to IEC 704 1 Advantech disclaims all responsibility for the accuracy of any statements contained herein ROM 7420 User Manual iv Contents Chapter Chapter 1 2 4 2 5 Product Overview 1 2 Features 3 H W Installation 5 ROM 7420 Evaluation Kit Hardware Specifications 6 Table 2 1 ROM 7420 6 ROM 7420 Board Block Diagram sss 7 Figure 2 1 ROM 7420 Block 7 Development Kit H W 8 Table 2 2 ROM 7420 Development Kit Assembly 8 Figure 2 2 ROM 7420 Development Kit Assembly 8 2 3 1 ROM 7420 9 2 3 2 0 7500 9 2 33 7 LVDS LCD Module 1 9 2 34 LCD Backlight Cable 2 9 2 35 LVDS Cable Par B3 j Eee i 9 2 3 6 SQFlash SD Card 9 2 37 SATA Power Cable 01 9 2 3 8 SATA Cable
69. re built System Image You are able to find the pre built image from CD included in ROM 7420 Evaluation Kit P N TBD Please follow below steps to create a SD card for boot up 1 7420LIVxxxx tar bz2 package to your desktop 2 Open Terminal on Ubuntu 10 04 LTS 3 55 40 su Change to root authority 4 nput your password 5 Desktop 6 xvf 7420LIVxxxx tar bz2 Unzip files 7 Insert one SD card to your developing computer 8 Check the SD card location like dev sdf 9 742 LBVxxxx prebuilt image 10 844 if 7420LIVxxxx img of dev sdf 11 Please wait until dump disk is done Then insert the Linux system SD card to ROM 7420 it will boot up with Linux envi ronment ROM 7420 User Manual 60 3 5 1 2 From Source Code Package 3 5 2 3 5 3 When you receive the ROM 7420 Linux source code package you can refer follow ing steps to create a Linux system SD card for booting up from it 1 Open Terminal on Ubuntu 10 04 LTS sudo su Change to root authority Input your password Insert one SD card to your developing computer Check the SD card location like dev sdf Desktop 742 LBVxxxx scripts mksd linux sh dev sdf Type y Start to copy files wait until it shows Done Then insert the Linux system SD card to ROM 7420 SD card slot SD1 it will boot up with Linux environment Boot from Onboard Flash If you already have a
70. rt to code the source code build images or compile applica tions Oak wns setenv sh This script is used to configure the developing environment quickly It will configure the folder paths for system and you can also add modify the setenv sh by yourself if you have added changed the folders and paths The major part of setenv sh is shown as follows export SRCROOT PWD export CC PATH SRCROOT cross compiler fsl linaro toolchain export CROSS COMPILE CC PATH bin arm none linux gnueabi export CC CROSS COMPILE gcc export STRIP CROSS COMPILE strip export AR CROSS COMPILE ar export AS CROSS COMPILE as export CXX CROSS COMPILE g export CPP CROSS COMPILE cpp export LD CROSS COMPILE 1d export RANLIB CROSS COMPILE ranlib export ARCH arm export KROOT SRCROOT source linux 3 0 35 export UBOOT_SOURCE SRCROOT source u boot 2009 08 export ROOTFS SRCROOT image rootfs ROM 7420 User Manual 56 3 3 3 3 1 3 3 2 3 3 3 export LOG SRCROOT Build log export PATH CC PATH bin UBOOT SOURCE tools PATH Note You have to wrap setenv sh once you open a new Terminal utility every time TA J i e source setenv sh Note Itis suggested to change to root authority to use the source code Build Instructions This section will guide you how to build the u boot amp Linux kernel Build u boot Image Advantech has written a script to build the u boot quickly You can
71. s wait until it shows Done 17 Power off and remove this SD card ROM 7420 User Manual 72 Advantech Services This chapter introduces Advantech design in serviceability technical support and warranty policy for ROM 7420 evaluation kit 5 1 RISC Design in Services With the spread of industrial computing a whole range of new applications have been developed resulting in a fundamental change in the IPC industry In the past System Integrators SI were used to completing projects without outside assistance but now such working models have moved on Due to diverse market demands and intense competition cooperation for both upstream and downstream vertical inte gration has become a much more effective way to create competitive advantages As a result ARM based CPU modules were born out of this trend Concentrating all nec essary components on the CPU module and placing other parts on the carrier board in response to market requirements for specialization provides greater flexibility while retaining its low power consumption credentials Advantech has been involved in the industrial computer industry for many years and has found that customers usually have the following questions when implementing modular designs General I O design capability Although customers possess the ability for vertical integration and have enough know how and core competitiveness in the professional application field the lack of expertise and
72. through this connector Pin Signal 1 12V Shield GND ROM 7420 User Manual Figure 2 5 DC Jack 12 B amp C CAN Bus 2 CAN buses with 5V level The connector being used is standard DB9 in male Pin Signal 1 2 D 3 4 5 GND 6 GND 7 D 8 9 gt 7A 11542135 Ar dl pao 5 G Oo G O gt 3 x Figure 2 6 CAN BUS connector D VGA Standard VGA connector VGA support is up to 1920x1080P Pin Signal 1 RED 2 GREEN 3 BLUE 4 5 GND 6 GND 7 GND 8 GND 9 5V 10 GND 11 12 DDC DATA 13 HSYNC 14 VSYNC 15 DDC CLK 13 ROM 7420 User Manual Figure 2 7 VGA connector E HDMI ROM DB7500 HDMI follow HDMI 2 0 Spec supported resolution is up to 1920x1080 Pin Signal 1 TMDS LANE2 2 GND 3 TMDS LANE2 4 TMDS LANE1 5 GND 6 TMDS LANE1 7 TMDS LANEO 8 GND 9 TMDS LANEO 10 TMDS CLK 11 GND 12 TMDS CLK 13 14 15 DDC CLK 16 DDC DAT 17 GND 18 5V 19 HPD Figure 2 8 HDMI connector ROM 7420 User Manual 14 F GPIO 9 pins GPIO controlled by software Pin Signal GPI 0 GPI 1 GPI 2 GPI 3 GND GPO 0 GPO 1 GPO 2 O COIN OD oO BR co NN GPO_3 O 00000 OY 56 0000 Figure 2 9 GPIO connector G amp H RJ45 USB connector RJ45 with 10 100 1000 Ethernet plus two USB 2 0 Type A conn
73. truct i2c board info mxc i2c1 board info __initdata I2C BOARD INFO mxc hdmi i2c 0x50 struct i2c board info mxc i2c2 board info initdata I2C BOARD INFO ch7055 0x76 I2C BOARD INFO mxc vga i2c 0x50 Rtc S35390a c to be added by kernel menu config ROM 7420 User Manual 70 System Recovery This chapter introduces how to recover Linux operating system if it is damaged accidentally This section provides detail procedures of restoring the eMMC image You can do system recovery following these steps if you destroy onboard flash image by acci dent 1 7420LIVxxxx tar bz2 package to your desktop 2 Open Terminal on Ubuntu 10 04 LTS 3 55 40 su Change to root authority 4 nput your password 5 cd Desktop 6 tar xvf 7420LIVxxxx tar bz2 Unzip files 7 Insert one SD card to your developing computer 8 Check the SD card location like dev sdf 9 742 LBVxxxx prebuilt image 10 dd if 7420LIVxxxx img of dev sdf 11 Please wait until dump disk is done 12 Connect console cable to debug port CN1 and open serial console program on Ubuntu 10 04 LTS set baudrate to 115200 For detail console setting please refer to section 3 6 13 On ROM 7420 platform type root Login 14 On ROM 7420 platform type mk inand 15 On ROM 7420 platform type mkinand linux sh dev mmcblke 16 On ROM 7420 platform type y Start to copy file
74. u boot bin is for initializing peripheral hardware parameters the ulm age is the Linux kernel image and the File System is for Linux O S used It will not be able to boot into Linux environment successfully if one of above three files is missing from booting media SD card SATA HDD or onboard flash The purpose of this chapter is to introduce software development of ROM 7420 to you So that you can develop your own application s efficiently ROM 7420 is designed for supporting Linux host only so you may fail developing your AP on Windows Android host PC For now the official supported host version is Ubuntu 10 04 LTS host PC in any other version may have compatibility issue In this case we strongly recommend to have Ubuntu 10 04 LTS installed to your host PC before start ROM 7420 evaluation development Package Content We would offer you two different kinds of Linux package for ROM 7420 One is pre built system image for system recovery another is source code package BSP Pre built System Image You are able to find the pre built image 7420LIVXXXX tar bz2 from ROM 7420 Evalu ation Kit DVD image downloaded from Advantech website ROM 7420 supports booting from SD card so you can extract the image to SD card then dump the image file to onboard eMMC to complete system recovery For more detail please refer to section 3 8 System Recovery Source Code Package ROM 7420 source code package BSP contains cross compiler L
75. ultitask networking including IPv4 and IPv6 Linux is easily portable to most general purpose 32 or 64 bit architectures as long as they have paged memory management unit PMMUJ and a port of the GNU C com piler gcc part of The GNU Compiler Collection GCC Linux has also been ported to a number of architectures without a PMMU although functionality is then obviously somewhat limited Linux has also been ported to itself The main sub directories under linux 3 0 35 are listed as follows arch The items related to hardware platform most of them are for CPU block The setting information for block crypto The encryption technology that kernel supports Documentation The documentation for kernel drivers The drivers for hardware firmware Some of firmware data for old hardware fs The file system the kernel supports include The header definition for the other programs used init initial functions for kernel ipc Define the communication for each program of Linux O S kernel Define the Kernel process status schedule signal lib Some of libraries mm The data related the memory net The data related the network security The security setting sound The module related audio virt The data related the virtual machine There are plenty of documentations or materials available on Internet
76. utorial5 tutorial7 Step 3 Run tutorial7 for OpenGL ES 1 1 Using Vertex Buffer Objects VBO can substantially increase performance by reduc ing the bandwidth required to transmit geometry data Information such vertex nor mal vector color and so on is sent once to locate device video memory and then bound and used as needed rather than being read from system memory every time This example illustrates how to create and use vertex buffer objects tutorial7 Step 4 Run tutorial3 es20 for OpenGL ES 2 0 A ball made of a mirroring material and centered at the origin spins about its Y axis and reflects the scene surrounding it H tutorial3 es20 45 ROM 7420 User Manual 2 8 12 LAN Test ROM 7420 sets DHCP as defaul network portocal Hifconfig eth lo Link encap Ethernet HWaddr 00 04 9F 01 30 E0 inet addr 172 17 21 96 Bcast 172 17 21 255 Mask 255 255 254 0 UP BROADCAST RUNNING MULTICAST MTU 150 Metric 1 RX packets 129 errors dropped 18 overruns frame 0 TX packets 2 errors dropped 0 overruns 0 carrier collisions 0 txqueuelen 1000 RX bytes 15016 14 6 KiB TX bytes 656 656 0 B Link encap Local Loopback inet addr 127 0 0 1 Mask 255 0 0 0 UP LOOPBACK RUNNING MTU 16436 Metric 1 RX packets errors dropped 0 overruns frame TX packets 0 errors dropped 0 overruns carrier collisions txqueuelen RX bytes 0 0 0 B TX bytes 0 0 B If you would like to config IP manually please use
77. vel oping RISC COMs In the planning stage customers can use this evaluation board to assess RISC modules and test peripheral hardware What s more Advantech pro vides standard software Board Support Package BSP for RISC COM so that cus tomers can define their products specifications as well as verifying I O and performance at the same time We not only offer hardware planning and technology consulting but also software evaluation and peripheral module recommendations such as WiFi 3G BT Resolving customer concerns is Advantech s main target at this stage Since we all know that product evaluation is the key task in the planning period especially for performance and specification so we try to help our customers conduct all the necessary tests for their RISC COM Design stage When a product moves into the design stage Advantech will supply a design guide of the carrier board for reference The carrier board design guide provides pin defini tions of the COM connector with limitations and recommendations for carrier board design so customers can have a clear guideline to follow during their carrier board development Regarding different form factors Advantech offers a complete pin out check list for different form factors such as Q7 ULP and RTX2 0 so that customers can examine the carrier board signals and layout design accordingly In addition our team is able to assist customers to review the placement layout and schematics to ensur

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