LPC2468_OEM_Board_Us..
Contents
1. P4 26 No special usage on OEM Base Board P4 27 No special usage on OEM Base Board P4 28 No special usage on OEM Base Board P4 29 No special usage on OEM Base Board VBAT No special usage on OEM Base Board ALARM No special usage on OEM Base Board VREF Connects to VDDA V3A VDDA Used to generate reference voltage for trimpots analog inputs VSSA JTAG Connected to standard 20 pos 2x10 pin JTAG connector gend JT AG Enable jumper also exists RESET Connects to RESET push button and USB to serial bridge for automatic ISP functionality RSTOUT Connects to RESET LED indicator Used to reset U2 PCA9532 Can be connected to QVGA display reset input Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Page 34 3 3 Jumpers The OEM Base Board has a number of jumpers in order to be able to connect disconnect and fully utilize all functionality of the LPC2468 and the boards Figure 17 below illustrates all jumpers and explains to what part of the design they belong Board picture is from older revision of the board but all essential parts are identical MCIPWR Polarity MCIDATO Select ISP Fucntionality CAN Select USB Serial Connect 027 47 730 J31 333 in order from 134 positions Top pos active low Top pos P0 22 Left pos UART 0 top to bottom 2 left CAN 1 Bottom pos active high Bottom pos P1 6 Right pos to WLAN P2 10 2 right CAN 2 module2. RS232 UART J36 8 positions Connect RS232 interface to UART 1 RS232 UART J38 6 positions Connect WLAN interface to UART 1 QVGA Settings See separate description Enable JTAG J24 VBUS Sense Y J48 Select polarity of VBUS sense Analog Inputs J26 in order from left to right ADO 1 P0 24 ADO 0 P0 23 VREF USB Device Host J41 J42 J44 J45 J46 To left device To right host DBUS EN J13 CS2 AND DYCS1 controls DBUS_EN Ethernet PHY 323 in order from top to bottom Connect PD to P0 20 Connect IRQ to P2 11 NAND Busy J19 Connect busy output to P2 12 Figure 17 OEM Base Board Basic Jumpers 3 3 1 USB VBUS Sense The polarity of the VBUS sense signal has changed between cpu revisions Normal position on rev is to invert the VBUS signal On rev A and rev B chips the VBUS signal is non inverted i e normal Inverted or normal polarity is selected with connector J48 Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Page 35 3 3 2 Illegal Jumper Combinations Note that some jumpers are mutual exclusive and should not be inserted simultaneously e Jumpers for CAN channel 1 and channel 2 J34 should not be inserted simultaneously e Jumpers for UART channel 1 external RS232 modem J36 and the WLAN add on module J38 should not be
3. LPC2468 OEM Board Users Guide Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide d A 3 linies 6 2306 h MCIDATO 0300 00 T poz T n i A sps T 4 ss 7 5 LA mn UTA C 2007 Embedded Artist ddedArtists com I oF sri T oF 921600 9318 0 0 93 28 o O 921 220 O 92 2400 E 91 26 O ee In 5 93 2800 b 2 E A ay 93 2800 La g n 9428 0 0 KN 9 ed po frat N 2 00 P245 GR ft D r mu ee CLKOUTi O O GER ES Ini I gt H te p2 22 O O 02 23 d PLE YT 92 2700 p2 30 92 31 O O VBAT IN ETH PHY PO 4 un on 22 am EI PT UNT y d 1 4 e 71 D ifroew mE 1 Eu TS v 9 Get Up and Running Quickly and Start Developing Your Applications On Day 1 LH Embedded Artists EA2 USG 0702 v1 2 Rev C LPC2468 OEM Board User s Guide Page 2 Embedded Artists AB Ole R mers v g 12 SE 223 70 Lund Sweden info EmbeddedArtists com http www EmbeddedArtists com Copyright 2005 2008 O Embedded Artists AB All rights reserved No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise without the prior written permission of Embedded Artists AB Disclaimer Embedded Artists AB makes no representation or warranties with respect to the contents hereof and spe
4. No special usage on OEM Base Board P1 30 Can be connected to VBUS signal from USB host power P1 31 Can be connected to over current error signal from USB host power switch P2 0 P2 9 Connects to ETM pads if connector mounted Else these signals have no special usage on OEM Base Board P2 10 Connected to push button for enabling bootloader during reset or EINTO input Also connects to LED active low Connects to USB to serial bridge for automatic ISP functionality P2 11 Can be connected to Ethernet PHY interrupt output Dp Can be connected to NAND FLASH busy output P2 13 No special usage on OEM Base Board Can be connected to QVGA display with touch screen option interrupt output from touch screen controller only on OEM Base Board v1 5 P2 14 When used as CS2 can be used to control DBUS_EN Copyright 2007 O Embedded Artists AB LPC2468 OEM Board User s Guide Page 32 P2 15 No special usage on OEM Base Board P2 16 No special usage on OEM Base Board P2 17 No special usage on OEM Base Board P2 19 No special usage on OEM Base Board P2 21 When used as DYCS1 can be used to control DBUS EN P2 22 No special usage on OEM Base Board P2 23 No special usage on OEM Base Board P2 25 No special usage on OEM Base Board P2 26 No special usage on OEM Base Board P2 27 No special usage on OEM Base Board P2 28 No special usage
5. lqeua 1oppeuuo3 W13 YO LO zzr pieog eseg WIO JO 9 LA w 29 J 9 U ueoJos uonol LL C DHN3dN3 HINOL F INASA 18 004 NOHS 18 WAMdna jeje LLLLLLEI TIT ZA preoq WOAD WA ur 3333 4328X0 0000 00Z8X0 ZSO 91 ven 40109 10 10 euu02 Figure 13 OEM Base Board Basic Schematic v1 3 v1 5 page 2 Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide G E 3334S ZE BE GT GZ TT 280Z Ed ER 4agunN iuaun2og VS TA 23 1589 p4eog sseg WAO UL 3 a ml 3 SOT S Lingen sin a OL 9 t siam 0N9 man OO am aan 11031 oan Ki Di Ze 9037 L3S3y s031 san a 1 9991 va 1031 0037 sq31 pue suonnq usnd WONO E NS 103 108d 3119M TNOTONDIEHIOD NGC GS OM BEESON Del 3 1 preg A1otu W GS OWAN squeuoduico eeuu slueuodupo eut pi sindul 6o euv page 3 Figure 14 OEM Base Board Basic Schematic v1 3 v1 5 Copyright 2007 O Embedded Artists AB G 2884S ZE BE ST GZ YT 2007 ag YUTA 2 589 RISCH SES W3O TILIL a a AUOOL AOUE se veo aunoza MOEL NIEL E INOZL NZL d inoib NIL 33 d uka cup d p HNYO ax E d gg A oin JeAieosuel NYO e a a a a MOSZLOLOHVbL AOLIANZ jugok Jdzp dep AUL T A423 915 sto lo el 1s56n i MOSEVO VOHVEL gosr9o1asn sn ebpug jeues gen 1940 0 LYYN a a a a a a aoo
6. 2 2 10 uSD transflash Connector On page 4 of the schematic there is a uSD transflash connector interface Note that the polarity of the power control is reverse from the standard on the OEM Base Board Also note that the memory card connectors cannot be used simultaneous on the LPC2468 OEM Board and the OEM Base Board Only one at a time can be used 2 2 11 Expansion Connectors The LPC2468 OEM Board integrated the core part of a typical LPC2468 board design with a reasonable large amount of external memories Almost all signals of LPC2468 are available on the two 100 pos 0 6mm pitch expansion connectors FX8C 100 from Hirose 2 2 12 Not Mounted Components on Top Side Page 6 of the schematic contains an interface to Bluetooth and WLAN modules from connectBlue that is only available on special order These components are not mounted on standard boards and this part of the schematic is not public 2 3 Memory Layout The external memory controller on the LPC2468 defines eight memory regions named CSO CS1 CS2 CS3 DYCSO DYCS1 DYCS2 and DYCS3 Of these eight three memory areas are used by the LPC2468 OEM Board These are e CS0 address range 0x8000 0000 OxSOFF FFFF An external NOR FLASH 32 MBit 4 MByte in size is addressed e CSI address range 0x8100 0000 0x81 FF FFFF An external NAND FLASH 1 GBit 128 MByte in size is addressed Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide Page 2
7. Embedded Artists AB Page 17 LPC2468 OEM Board User s Guide G G nesys T 60 18_90 p0 400Z e eg 48qunN iueun2og T amp T p4eog ZE 89bZId1 UI al Ez a ADU 20 1 al ADU 20 SI Figure 10 LPC2468 OEM Board Schematic v2 0 32 bit data bus page 5 Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide Page 18 The following subsections describe in more detail each part of the design 2 2 1 CPU The core part of the design is the NXP LPC2468 microcontroller It s an ARM7TDMI S CPU core with a lot of different peripheral units and on chip memory 512 KByte FLASH and 96 KByte SRAM There is also an external memory bus interface Page 1 of the schematic contains the CPU section of the design The microcontroller crystal frequency is 12 0000 MHz This frequency has been selected in order to allow maximum execution speed the PLL can generate an 72 MHz core clock from this as well as generating standard clock frequencies for the CAN and USB interfaces The on chip UART peripheral includes a fractional baud rate generator that allows standard baud rates to be generated with low frequency error Due to silicon errata the highest internal core clock frequency on initial chip revisions see errata for details was 48 MHz This corresponds to an internal PLL frequency of 288 MHz that is divided by 6 to get a 48 MHz clock for the USB interface Later revisions of the chip can run at fu
8. Select higher settings for faster performance Receive Bytes 4096 SE Transmit Bytes 4096 DM Options Miscellaneous Options Selectlower settings to correctresponse problems Serial Enumerator Serial Printer Latency Timer msec 16 Cancel If Power Off m Timeouts Event On Surprise Removal Set RTS On Close Minimum Read Timeout msec 0 EY Disable Modem Ctrl At Startup Minimum Write Timeout msec 0 Iv Figure 30 Advanced USB Serial Port Properties Dialog Finally it s time to test if you have successfully installed and configured the USB Serial Port Start a terminal program Connect to the correct COM port with 38400 bits per second 8N1 no flow control Remember to not have the USB ISP jumpers inserted A message like below should be printed on the terminal Please note that the picture below is just an example The exact message will change for future program revisions LPC 2xxx gcc newlib v2 1 0 0 waite termonly U BOOT HEX com5 38400 12000 o x ile MDISK Loading 2253 bl blocks th disk into ram disk done FS Mounted root Cronfs filesystem readonly reeing init memory 56 or further information check ttp wew uc Linux org ard specific drivers by Embedded Artists AB ttp wn Enbeddedfirtists con Release 2007 82 25 Check for updates sing drivers lpc2468eth ko mac found MAC address in u boot env B0 40 93 00 12 41 mac MAC address 808 d8 93 00 12
9. Version 2 There exist two versions of the display Version 1 uses a display from one display manufacturer and version 2 uses a display from another manufacturer The picture above is of display version 1 The similarities between the versions are e Same physical size of display module e Same optical features and capabilities e Same main 2x20 pos interface connector 100 mil spacing The differences are e Different internal display controllers are used The programming interface is not identical but very similar A reference software driver exists that supports both versions simultaneous The uClinux driver supports both versions automatically Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Page 38 e Version 2 of the display module has a touch screen option e A6 pos extra interface connector has been added beside the main 2x20 pos interface connector on version 2 This extra connector carries signals for touch screen interface and some extra signals for direct RGB control of display useful when interfacing the LPC2478 MCU from NXP 3 8 Interface Configuration Display Version 2 There are 6 pins that are used to configure the interface The table below lists the different options L is statically tied to low logic level and H is statically tied to high logic level Note that only 4 of the pins are used to configure the display The four different relevant options are listed in the table below Re
10. noran Aust Jane 3400 3u001 er mon a T Se sl of e i 2p sor t E T ZOEGZOIMW ZER sn vn A ddng Jamod LPC2468 OEM Board User s Guide Figure 15 OEM Base Board Basic Schematic v1 3 v1 5 page 4 Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide ZE 08 ST SZ TT 200Z eeg 248QUNN iueun2og TS TA opseg paeog aseg WIO 311IL adlAep se g jeuueyo gen sumas Hope a SINPON NV TM zsovin t E esocin PODLOA TL a a E 0097 200 LL ader des al a a EW ANGIN az TO l avaa alla T SZOZIIN en sou se g jeuueu den BET 910 v jeuueup gen OEM Base Board Basic Schematic v1 3 v1 5 page 5 Figure 16 Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Page 29 The OEM Base Board contains a number interfaces and connectors to the LPC2468 OEM Board The design can be viewed as a reference schematic for custom designs around the LPC2468 OEM Board The features of the OEM Base Board can be summarized as below e Connectors Two 100 pos 0 6mm pitch connectors for LPC2468 OEM Board Ethernet connector RJ45 MMC SD interface amp connector JTAG connector Pads for ETM connector e Interfaces USB OTG interface amp connector USB device interface amp connector USB host interface amp connector Full modem RS232 on UART 1 CAN interface amp connector e Power Power su
11. 0 P0 3 Can be connected to USB to serial bridge RxD on UART 0 P0 4 Can be connected to RD2 for CAN channel 2 P0 5 Can be connected to TD2 for CAN channel 2 P0 6 Can be used as CS input to QVGA display add on module P0 7 Can be used as RS input to QVGA display add on module P0 8 Can be used as WR RW input to QVGA display add on module P0 9 No special usage on OEM Base Board P0 10 No special usage on OEM Base Board P0 11 No special usage on OEM Base Board P0 12 Can be connected to enable USB host power switch P0 13 Can be connected to LED active low for USB host indicator P0 14 Can be connected to USB device enable device signal USB channel B P0 15 Can be connected to QVGA display for serial interface SPI SCK P0 16 No special usage on OEM Base Board Can be connected to QVGA display with touch screen option serial interface chip select for touch screen controller OEM Base Board v1 5 P0 17 Can be connected to QVGA display for serial interface SPI MISO P0 18 Can be connected to QVGA display for serial interface SPI MOSI P0 19 No special usage on OEM Base Board P0 20 Can be connected to Ethernet PHY power down input P0 21 Can be connected to QVGA display reset input P0 22 Connects to MCIDATO on SD MMC connector P0 23 Can be connected to analog input trimpot 0 P0 24 Can be connected to analog input trimpot 1 P0 25 No special usage on OEM Base Board P0 26 No special usage on OEM Base Board v1 3 v1 4 Speaker output on AOUT signal on
12. 13 ia buff P118 outputs via buffers P1 26 P4 24 P4 27 Yes but used as P1 30 P1 31 OE WE BLS0 BLS1 and P1 27 P1 29 No connected to external e ien esia USB OTG tranceiver P4 28 P4 29 Yes i E nus P4 30 P4 31 No used as CSO CSI for P2 21 P2 23 external NOR NAND P2 25 P2 27 FLASH memories P2 16 P2 17 Yes but used as VBAT Yes via forward diode RAS CAS and only f ALARM Yes available as outputs via a pak VREF Yes Note that VDDA is P2 18 No used as VDDA connected to 3 3V power P2 20 CLKOUT0 DYCS0 CKE0 VSSA supply P2 24 for external SDRAM X1 X2 No directly connected to P2 28 P2 29 Yes but used as RTCXI on board crystals LPC2468 OEM Board User s Guide Page 22 RTCX2 RESET Yes RSTOUT JTAG Yes signals The OEM Base Board illustrates how to typically connect external interfaces like Ethernet USB external memory devices etc to the LPC2468 OEM Board Study this schematic also found in this document for details 2 5 LPC2468 OEM Board Mechanical Dimensions Figure 11 below contains a drawing of the board that includes mechanical measures Two FX8C 100S connectors from Hirose are used as expansion connectors Both the 16 and 32 bit data bus version of the board fit the same connector measurements Mating connectors on the base board are FX8C 100P Small half circle in the middle of the board 80 mm 16 bit data bus version 75 mm 32 bit data bus version QU Y 65 mm 16 b
13. 41 sing drivers 1lpc2468nnc i sector size 512 Bytes card size 512 MBytes gt anticipatory io scheduler naci drivers lcd ko drivers adc ko drivers i2c ko drivers pun ko drivers sfr ko i adi nnc reg xler x 808 reg x1f 0x95985 link status full duplex 18BMbps nodules 2 6 5 ucLPC kernel drivers usb gadget g file storage ko _storage gadget File backed L aag Gadget version 26 January 2084 file storage gadget Number of file_storage gadget lun8 ro B file Zdeu mncal Figure 31 Example Terminal Window Startup Message from uClinux Console Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Page 48 4 4 1 USB Driver Behavior Sometimes the USB COM port does not enumerate properly when the board in connected to the PC This is a known feature of the USB driver If you experience this problem just unplug the board shortly and then plug in again A new COM port that can be accessed properly should be created the second time This problem may occur after every time you start i e power cycle your PC If the ISP jumpers are inserted pressing the reset button is often required in order to startup the board it can be placed in bootloader mode during startup due to RTS DTR signal handling by the USB driver during startup Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Page 49 5 CDROM DVD and Product Registration The accompanying CDROM DVD contains
14. Insert to enable interrupt from touch screen controller Connects P2 13 to interrupt signal Figure 21 QVGA Display Jumper Settings for Touch Screen Option on Display Version 2 3 9 Interface Configuration Display Version 1 There are 6 pins that are used to configure the interface The table below lists the different options L is statically tied to low logic level and H is statically tied to high logic level Page 39 16 bit 16 bit 16 bit bit 8 bit 8 bit 9bit 8 bit parallel parallel parallel parallel parallel parallel serial serial 18 bit 18 bit 16 bit 18 bit 18 bit 16 bit 18 bit 16 bit Configuration color color color color color color color color ins depth depth depth depth depth depth depth depth p 9 9 16 2 Default 6 6 6 8 8 2 8 8 9 9 8 8 Setting L L L L L L H H PSX CFGI H H L H H L DTX1 CFG2 L H L L H H DTX2 CFG3 L L L H H H H H BWSO CFG4 H H H H H H L H BWS1 CFG5 Does not matter This pin is currently not used Set to L BWS2 CFG6 Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Page 40 If the parallel interface is selected the i86 interface is selected since the C86 input pin is pulled low See datasheet for details about timing and how the different control signals are used For the 186 interface the RD E signal is Read strobe and the WR RW signal is Write
15. OEM Base Board v1 5 P0 27 I2C SDAO connects to U2 PCA9532 IO expander P0 28 I2C SCLO connects to U2 PCA9532 IO expander P0 29 P0 30 Connects to mini AB USB connector J39 Embedded Artists EA2 USG 0702 v1 0 Rev A LPC2468 OEM Board User s Guide Page 31 P0 31 USBB Connect either to USB device B connector CON1 or USB Host A connector J43 P1 2 Connects to MCICLK on SD MMC connector P1 3 Connects to MCICMD on SD MMC connector P1 5 Connects to MCIPWR on SD MMC connector P1 6 Should not be used due to silicon errata on LPC2468 when using Ethernet P1 7 Connects to MCIDAT1 on SD MMC connector P1 11 Connects to MCIDAT2 on SD MMC connector P1 12 Connects to MCIDAT3 on SD MMC connector P1 13 No special usage on OEM Base Board P1 14 No special usage on OEM Base Board P1 15 No special usage on OEM Base Board P1 16 No special usage on OEM Base Board P1 17 No special usage on OEM Base Board P1 18 Connects to LED active low to be used for USB channel A indicator P1 19 No special usage on OEM Base Board P1 20 No special usage on OEM Base Board P1 21 No special usage on OEM Base Board P1 22 No special usage on OEM Base Board P1 23 No special usage on OEM Base Board P1 24 No special usage on OEM Base Board P1 25 No special usage on OEM Base Board P1 26
16. OEM Board and OEM Base Board Basic come without any case box and all components are exposed for finger touches and therefore extra attention must be paid to ESD Electro Static Discharge precaution Make it a habit to always first touch the metal surface of one of the USB connector for a few seconds with both hands before touching any other parts of the boards That way you will have the same potential as the board and therefore minimize the risk for ESD Never touch directly on the LPC2468 OEM Board and in general as little as possible on the OEM Base Board Basic The keys on the OEM Base Board have grounded shields to minimize the effect of ESD Note that Embedded Artists does not replace boards that have been damaged by ESD Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide Page 7 1 3 Code Read Protection The LPC2468 has a Code Read Protection function specifically CRP3 that if enabled will make the LPC2468 impossible to reprogram unless the use program has implemented such functionality Note that Embedded Artists does not replace LPC2468 OEM boards where the LPC2468 has CRP3 enabled It s the user s responsibility to not invoke this mode by accident 1 4 Other Products from Embedded Artists Embedded Artists have a broad range of LPC2xxx and LPC3xxx based boards that are very low cost and developed for prototyping development as well as for OEM applications Modifications for OEM applications c
17. information The following documents are recommended as a complement to this document 1 NXP LPC2468 Datasheet http www standardics nxp com products Ipc2000 pdf Ipc2468 pdf 2 NXP LPC2468 User s Manual http www standardics nxp com support documents microcontrollers pdf user manual lpc2468 pdf 3 NXP LPC2468 Errata Sheet http www standardics nxp com support documents microcontrollers pdf errata Ipc2468 pdf 4 ARM7TDMI Technical Reference Manual Document identity DDI0029G http www arm com pdfs DDI0029G_7TDMI_R3_trm pdf 5 ARM Architecture Reference Manual Document identity DDIO100E Book Second Edition edited by David Seal Addison Wesley ISBN 0 201 73719 1 Also available in PDF form on the ARM Technical Publications CD 6 ARM System Developer s Guide Designing and Optimizing System Software by A N Sloss D Symes C Wright Elsevier ISBN 1 55860 874 5 7 Embedded System Design on a Shoestring by Lewin Edwards Newnes ISBN 0750676094 8 GNU Manuals http www gnu org manual 9 GNU ARM tool chain for Cygwin http www gnuarm com 10 An Introduction to the GNU Compiler and Linker by Bill Gatliff http www billgatliff com 11 LPC2000 Yahoo Group A discussion forum dedicated entirely to the Philips LPC2xxx series of microcontrollers http groups yahoo com group lpc2000 12 The Insider s Guide to the NXP LPC2300 2400 Based Microcontrollers by Trevor Martin http www hitex co
18. not exceed 48 MHz on boards with rev A LPC2468 chips when using the external SDRAM Also the cpu core clock frequency must not exceed 66 MHz on boards with rev B LPC2468 chips when using the external SDRAM Note that this limitation only applies when using the external SDRAM If the SDRAM is not used the cpu core frequency can be up to full specification of the LPC2468 different for different chip revisions On rev A chips the internal PLL frequency is normally set to 288 MHz the external 12 MHz crystal frequency multiplied by 24 Dividing 288 MHz with 6 gives a core frequency of 48 MHz and dividing with 4 gives 72 MHz On rev B chips the internal PLL frequency can be set to 528 MHz the external 12 MHz crystal frequency multiplied by 44 Dividing 528 MHz with 8 gives a core frequency of 66 MHz and dividing with 11 gives 48 MHz for USB core 2 6 3 Ethernet Clock 32 bit databus versions There is one known limitation of the LPC2468 32 OEM Board Due to an error in clock routing between the Ethernet PHY and the LPC2468 the boards have been modified slightly The error is also temperature dependent Only a small number of boards have been shipped without this modification and these boards were tested not to have any problems The schematic for the board illustrates the modification made on boards shipped after September 2008 2 6 8 NAND FLASH Bad Block The NAND Flash is the K9F1GO8U0A from Samsung and contains 1G bit with a spare 32
19. on OEM Base Board P2 29 No special usage on OEM Base Board P2 30 No special usage on OEM Base Board P2 31 No special usage on OEM Base Board P3 0 P3 15 The 16 bit databus connects to the QVGA display add on module databus P3 16 Can be connected to RS232 interface or WLAN add on module P3 17 Can be connected to RS232 interface or WLAN add on module P3 18 Can be connected to RS232 interface or WLAN add on module P3 19 Can be connected to RS232 interface P3 20 Can be connected to RS232 interface or WLAN add on module P3 21 Can be connected to RS232 interface or WLAN add on module B322 Can be connected to RS232 interface P3 23 No special usage on OEM Base Board P3 24 No special usage on OEM Base Board P3 25 No special usage on OEM Base Board P3 26 No special usage on OEM Base Board P3 27 No special usage on OEM Base Board P3 28 Can be used to control backlight intensity of QVGA display add on module P3 29 No special usage on OEM Base Board P3 30 Can be connected to RS232 interface or WLAN add on module P3 31 No special usage on OEM Base Board P4 0 P4 23 The address bus Al connects to QVGA display add on module RS input P4 24 Connects to QVGA display add on module RD_E input P4 25 Connects to QVGA display add on module WR_RW input Copyright 2007 O Embedded Artists AB LPC2468 OEM Board User s Guide Page 33
20. to the board if needed The connector is from Tyco Electronics Amp and is a 38 way receptacle Mictor connector 0 025 pitch part number 767054 1 or 2 5767004 2 RoHS compliant 3 5 Important Components Figure 19 below illustrates the position on the OEM Base Board Basic for some important components in the design Board picture is from older revision of the board but all essential parts are identical SD MMC LEDs power inserted write protected USB to serial activity LEDs WLAN module factory reset key Reset push button and Reset LED Nal n LLL nitnnnnopnnn Vs 2 trimpots for analog inputs Trimpot for speaker output On v1 5 boards not shown on picture P2 10 push button SW6 Figure 19 OEM Base Board Basic Important Components Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Page 37 3 6 QVGA Display Add on Board The picture below illustrates how the display is used as an add on module to the OEM Base Board The LPC2468 CPU can access the display via an 8 bit parallel interface 16 bit parallel interface or an 8 bit serial SPI like interface The 16 bit parallel interface is the fastest and result in quickest display update time Jumpers to select interface to display Embedded Artists Figure 20 QVGA Add on Module Mounting on OEM Base Board 3 7 Display Version 1 vs
21. to your PC a crossed cable if direct connection to the PC or a normal cable if connected to a switch or hub e Optionally a power supply 9 15V DC 2 Amp A 2 1mm standard power plug is used Any polarity 4 2 Initial Setup and Powering The board can be powered from a PC via the included USB cable mini B to A cable A separate power supply is however needed in stand alone situations or when running USB Host application when powering external USB devices The power supply should be 9 15V DC 2 Amp A 2 1mm standard power plug is used to interface the board Any polarity is accepted See Figure 23 below for locating the USB connector and or the 2 1mm power connector It is possible to have both the USB cable and external powering connected to the board at the same time Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Page 42 Your PC Optional Powerin USB cable Figure 23 Powering of OEM Base Board Basic The OEM Base Board contains a USB to Serial bridge chip FT232R from FTDD that connects UART channel 0 on the LPC2468 to a virtual COM port on the PC via USB It is this serial channel that is the console interface to the uClinux system Special USB drivers must be installed on the PC in order for the virtual COM port to be created See Section 4 4 for a description of how to install the FTDI USB driver There are four jumpers on the OEM Base Board related to the USB serial channel c
22. 00nF C22 100nF TI C11 ale C12 I C13 I C14 T C15 100nF 100nF 100nF 100nF 100nF ID ID D D D C21 100nF k k P DN L L L Place at U1 pin G3 P6 P8 U13 P17 K16 C17 B13 C9 D7 H4 P11 D11 TITLE LPC2468 OEM Board v2 0 8 Document Number Sheet 1 6 Date 2007 86 22 01 12 46 Figure 1 LPC2468 OEM Board Schematic v2 0 16 bit data bus page 1 Copyright 2008 Embedded Artists AB 9 7 n us 9bIZT 10_ZZ 90 2400Z e0 pel 149qunw iueun2og g A peog W30 89 ZId1 311IL ipud EN reso c uH EN osso EL uH en a solo oof ml ld peeg arue pesg eyue gC ud no een a a 2001 an Ka 629 pesg suo Sai ONG ay a 30004 Aan Anuar 129 9297 pz 4 ud En oj esoo WO 40 WOOL AWE KUNG a Morano 5 o o ON AHdis LNI om sien oan 818 Wies N3x4dsx4 Ehe ES KAES N3AYWWSG31 zan OSI 333N 00L0ds Las QVAHd CQXH 1sa10031 ZOVAHAZOXS QYAHd L OY Das PaVAHdOGKY xa STEE Ec N3XL xL aaa XL sox OXL x ma OK oou 11008Z SH en JOJOSUUOD joo Spry Ta STER JOJe 11950 ZHN0S LPC2468 OEM Board User s Guide Figure 2 LPC2468 OEM Board Schematic v2 0 16 bit data bus page 2 Copyright 2008 O Embedded Artists AB 97 nasug BSTBIZZ GT TT Z08Z 1PU mu i4equnw iueun2og garza PJeog W30 89vc2Od ZU Au evo Spieoq W3O LA uo pajunow ase yey SpJeoq uo p puno o a 6v eh 6 Z FLL utd on je aded EL A
23. 1 e DYCSO address range 0xA000 0000 OxAFFF FFFF An external SDRAM 256 MBit 32 MByte in size is addressed These three memory regions cannot be used by external devices CS2 and DYCS1 are however free for external use via the buffered memory interface Both address and data busses are buffered 2 4 Usage of CPU Pins Almost all pins of the LPC2468 are directly available on the expansion connectors Only in a few cases are pins used for dedicated functionality like Ethernet interface and USB OTG Such pins are not available on the expansion connector The table below lists all pins and their possible restrictions Copyright 2008 Embedded Artists AB Pin Available on expansion DOMO0 DOM1 for connector external SDRAM and P0 0 P0 26 Yes only available as outputs via a buffer EH ere Se E P2 30 P2 31 Yes but used as s e DQM2 DQM3 on 32 bit P0 29 P0 30 Yes but external USB data bus version OTG transceiver connected to these pins P3 0 P3 15 Yes but used as data bus and only available via data E es bus buffer USBB Yes P3 16 P3 31 Yes On 32 bit data bus versions these pins are P1 0 P1 1 No connected to Ethernet used for upper 16 bits of P1 4 PHY the data bus and are only P1 8 P1 10 available via the data bus P1 14 P1 17 buffer B Xes P4 0 P4 23 Yes but used as address EE bus and only available as P1 11 P1
24. I2SRX_CLKIRD2 CAP2 0 PO S RSRX_WS TD2 CAP2 1 PO 6 2SRX_SDASSELVMAT2 0 PO 7 12STX_CLK SCK1 MAT2 1 PO 82STX WSIMISOTMAT2 2 D P0 92STX_SDAMOSIYMAT23 PO 10 TXD2 SDAQIMAT3 0 PO 11 RXD2 SCLYMAT3 1 PO 12 PORT_PWR_B MISOV ADO S Daman P0 13LED_B MOSIT AD0 7 TBBkHz PO 14 HOST_EN_BIDEVICE EN B SSEL1 PO 15 TXD1 SCKOSCK PO 16 RXD1 SSELOISSEL POA7NCTSIMISOOMISO PO 18IDCD1 MOSIOMOSI P0 19 DSRTMCICLK SDAT PO20 DTR VMCICMDISCL1 PO ZRITMCIPWRIRDI PO 22 RTSTIMCIDATOITD1 PO23 ADO ESRX CLK CAP2 0 PO 24 ADO VI2SRX WS CAP2 1 PO 25 AD0 212SRX_SDA TXD3 PO 26 ADO S AQUTIRXD2 POZI SDAO POZBSCLO C5 C6 22pF 22pF E USBBD P4 D AD LU P42 A2 PA3JAS PAM PASAS PA SIAB PATIAT P4 BIAB P4 9 49 P4 10 A10 PAMAN P4 12 A12 PA 12A13 P4 14 A 14 SA PA 1GAT8 PAATIAYT PA TB AT8 P4 19 A19 P4 20 420 SDA2 SCK1 P4 21 A21 SCL2 SSEL1 P4 22 A22 TXD2MISO1 P4 23 423 RXD2MOSI1 P424 0E P4 25 WE P4 26 ELSO P4 27 BLS1 P4 28 BLS2 MAT2 0 TXD3 P4 29 BLS3 MAT2 1 RXD2 P430 CS0 P4 31 051 P1 O ENET TXDO PITENET TXDI P1 2 ENET TXDZ MCICLK PWMO 1 P1 3ENET TXDS MCICMD PWMO 2 P1AJENET TX EN P1 SENET TX ER MCIPWR PWMO 3 PIL amp ENET TX CLKIMCIDATOPWMO 4 PI TIENET COUMCIDAT1 PWMO 5 P1 SENET CRS PI S ENET RXDO P1 10 ENET RXD1 P1 11 ENET RXD2 MCIDAT2 PWMO 6 P1 12 ENET RXDYMCIDAT3 PCAPO O P11VENET UCDV P1 14ENET RX_ER P1 15ENET RX_CLK P1 16 ENET MDC P1 17 ENET MDIO P1ABLED A PWM1 1 CAP1 0 P1 19TX E AIPORT PW
25. LK SCK1 MAT2 1 PO 8 IZSTX_WSIMISO MAT2 2 P0 9 2STX SDAMOSIT MAT23 PO I TXD2 SDA2 MAT3 D P0 11 RXDZSCLZMAT3 1 PO 12PORT_PWR_B MISO1 AD0 6 PO TNLED B MOSIT ADO 7 0 14 HOST EN BIDEVICE EN BISSEL1 PO 15 TXD1 SCKOISCK PO 18 RXD1 SSELO SSEL PO 17 CTS1 MISO0 MISO P0 18 OCD1MOSI0IMOSI P0 19 DSR1 MCICLK SDA1 PO 20 DTR1 MCICMDISCL1 PO 21 RI1 MCIPWRIRD1 PO 22 RTST MCIDATO TD1 PD 23 AD0 0 2SRX CLK CAP3 0 PO 24 ADQ t I2SRX WSICAP3 1 PO 25 AD0 2125RX_SDA TXD3 PO 26 ADO SIADUTIRXD3 P0 27 SDAD PO 28 SCLO P029USBAD P0 30 USBAD P0 31 USEBD USBBD P10 ENET TXD0 P1 1 ENET TXD1 PI2IENET TXD2IMCICLK PWNO 1 P1 S ENET TXD3 MCICMD PWMO 2 P AIENET TX EN PISENET TX ERIMCIPWRIPWNO 3 P1 8 ENET TX_CLK MCIDATOIPWMO4 P1 7 ENET COUMCIDATIPWMO 5 P1 8 ENET CRS P1 Q ENET RXDO P1AQIENET RXD1 P1 TUENET RXD2 MCIDAT2 PWMO 6 PILT2 ENET RXD3MCIDAT3 PCAPO 0 P1A3 ENET RX DV PILIAENET RX ER PIISENET RX CLK P1 16 ENET MDC P1 17 ENET MDIO P1A1B LED A PWM1 1 CAP1 0 P1 19 TX_E AIPORT_PWR AICAP1 1 P120 TX DP AIPWMI 2ISCKO P1 21 TX_DM A PWM1 3 SSELO P1 22 RCV APWRD AIMATI O P1 2WRX_DP A PWM1 4 MISOO P124 RX_DM A PWM1 5 MOS O P125LOW SP AIHOST EN AIMATI 1 P1 26 SUSPEND A PWMt 6 CAPO 0 P12TIINT A OVR CRNT AICAPO 1 P1 28 SCL A PCAP 1 0 MATO 0 P129 SDA AIPCAP 1 1 MAT0 1 PISOPWRD B VEUS S ADD 7 P1 31 0VER CRNT B SCK1 ADO 5 P2 0 PWM1 1 TXD1 TRACECLK P2 1IPWM1 2 RXD1IPIPESTATO P22IPWMIS CTSTIPIPESTATt P2 3 IPWM 1 4 DCDT PIPESTAT2 F24 PWM SIDSR T
26. M bit capacity The chip may include invalid blocks when shipped from factory A maximum of 20 invalid blocks may exist initially i e 1004 1024 valid blocks Additional invalid blocks may develop while being used Invalid blocks are defined as blocks that contain one or more bad bits Do not erase or program factory marked bad blocks Refer to technical notes from Samsung for appropriate management of invalid blocks Copyright 2007 Embedded Artists AB o 3 3 O E _ D 1 Ki _ E m LLI 9 co 9 A Oo a 3 OEM Base Board Basic Design This chapter contains detailed information about the electrical and mechanical design of the OEM Board Basic version 1 3 v1 4 and v1 5 3 1 OEM Base Board Basic Schematics v1 3 v1 4 and v1 5 S T Says ZE BE GT GZ TT 280Z seg 148qunN iuaun2og Sta 2Iseg pueog eseg W30 3T1LL a AOWAN ek pieog IN3O 2 2 2 2 8598959958 S598 293999999999999 2 s SS lee deiere EE WI 992 a AOL ANZ 2 Copyright 2007 Embedded Artists AB o S 5 0 E _ Gi 1 Ez _ o m LLI co 9 A e a a Figure 12 OEM Base Board Basic Schematic v1 3 v1 5 page 1 G Z_ ease ZE BE GT SZ TT Q Z 120 VS TA opseg parca eseg WAO FULL Ditz ZZOZ L T ezr c WOLD WOOL d 8 JOJOBUUOS ui u 3 GHP ver OVU
27. OOO US EN zn JOJe 1IDSO ZHIAOS epouu UW u AHd 19u1euj3 WOL OOL 8v8e8gda modification LPC2468 OEM Board User s Guide page 2 v2 0 32 bit data bus Figure 7 LPC2468 OEM Board Schematic Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide S7 n us ET 60 10 99 y0 299Z ed 148qunwN iueun2og TETA P4eog zZ 89v22d 311I1 25 WIOZVSPZ9LHOATPZNS al a a ADANG AOW ANZ AOLA T F W0N8091 36x n 4444 3318X0 0000 0018X0 180 HSV14 QNVN 8NW8 L 1991 zsovin 8 Z 81OZVSrZ9IHOATr LNS H aru azu G as LO arn u 55 R m SCH Gap arn D E qaaaaaaassssssssqsds AAN EE E DIED EEZ 4444 444VX0 0000 000VX0 OSOAQ WYYAS MANZE HANYSZ v9 94 YO uM SN je adad T 1 1 3u001 3u00L 34001 DCH SCH 169 NL9 Dr0L 10ZEJABELSS E 8588388588 x22322 2 4444 3308X0 0000 0008X0 0S2 HSV14 HON MANH HANZE Figure 8 LPC2468 OEM Board Schematic v2 0 32 bit data bus page 3 Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide s p n us ET 60 TO 90 v0 209c ET 4equnw iueunoo j T Oa T Diop Z 89 kZ09d OUT RO al a 34001 AOL 3nOL 2 es 1597 INOSd3 1A9GZ 9 0 v jeuueuo gsn 8 822 ES 888 MOSZLDLDA TL sor EH uonei u 56 jasay 3 1 DIS Aiouie GS OWW Figure 9 LPC2468 OEM Board Schematic v2 0 32 bit data bus page A Copyright 2008
28. Press the reset button lower left corner of the OEM Base Board and observe the system console output in the terminal program window 4 3 LAN Ethernet Setup Figure 25 below illustrates how to connect the OEM Base Board to your PC via Ethernet Either directly the red cable or via an Ethernet switch hub the blue cable The red cable is a crossed Ethernet cable and the blue is a normal cable The uClinux Ethernet driver of the LPC2468 OEM Board can automatically detect the type of cable and act accordingly so different cables are not strictly needed Your PC Figure 25 Ethernet LAN Cable Connection The Ethernet cable should be connected during powerup Else there will be a long timeout delay where the board waits for a valid Ethernet link The default network configuration of the LPC2468 OEM Board is Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Page 44 IP address 192 168 0 100 Netmask 255 255 255 0 Default gateway 192 168 0 1 Nodes on an IP network can communicate directly with each other if they are on the same LAN i e Ethernet network and is on the same IP subnet This means that the LPC2468 OEM Board must be on the same IP subnet as your PC An IP address starting with 192 168 0 x is a common IP subnet for many PCs If this does not match your PC either change the IP address of your PC or change the IP address of the LPC2468 OEM Board see description of this at the last section of
29. R A CAP1 1 P120 TX DP AFWM1 2 SCK0 P12VTX DM AIPWMT S SSELO P122 RCV AIPWRD AIMAT 1 0 P123 RX DP A PWMI 4 MISOO P 2AIRX DM A PWMT S MOSIO P125LOW SP AHOST EN AMAT1 1 P1 26 SUS PEND A PWM1 6 CAPO O P1 27 INT A OVR CRNT A CAPO 1 P1 28 SCL A PCAP1 O MATO O P1 29 SDA A PCAP1 1 MATO 1 P1 20 PWRD B VBUS B ADO 7 PI ST OVER CRNT B SCKT ADO 5 P2 0 PWM1 1 TXD WTRACECLK P2 1 PWM1 2RXDUPIPESTATO P2 2 PWM1 ICTSVPIPESTAT P2 3 PWM14 DCD VPIPESTAT2 P2 A PWM1 SIDSRT TRACESYNC PZ SPWM1 6DTRYTRACEPKTO P2 6 PCAP1 OIRIVTRACEPKT1 P2 TIRDZIRTSVTRACEPKT2 P2 8 TD2 T XD2 TRACE PKT2 P2 9IRXD2 EXTINO P2 10 EINTO P211 EINT1MCIDAT1 125TX_CLK P2 12EINT2 MCIDAT2IZSTX_WS P2 19EINTSIMCIDATS12STX_SDA P2 14 CS2 CAP2 0 SDA1 P2 1 CSSICAF2 V SCL1 P2 18CAS P2 17 RAS P2 18 CLKOUTO PZ 19 CLKOUT1 P220 DYCSO P221 DYCS1 P2 22 DYCS2CAP3 0 SCKO P223 D YCSSICAP2 1 SSELO P2 24 CKEO P2 25 CKE1 P2 26 CKEZMATS OMISOO P22TICKESMATS 1 MOSIO F228 DQMO P229 DOM1 P230 DQM2MAT3 2SDA2 F231 DQM3MAT3 3 SCL2 P3 17 D TTIPWMO 2RXD1 P2 18 D 18 PWMO 3 CTS1 P3 19 D 19PWMO 4 DCD1 P3 20 D20PWMO 5 DSR1 P2 21 D21 PWM0 6 DTR1 P3 22 022 PCAPO O RM P3 23 D23 CAPO OPCAP1 0 P3 24 D24 CAPO VPWMT 1 P3 25 D25 MATO 0 PWM1 2 P3 26 D26 MATO 1 PWM1 3 P3 27 D27 CAP1 0 PWM1 4 P2 28 D28 CAP1 VPWM1 5 P3 29D29MAT 1 0 PWH 1 6 P3 80ID20IMAT I T RTST P3 31 D31 MAT1 2 C10 100nF T C16 100nF l k amp l L L L I C20 100nF d C17 100nF c18 100nF C19 1
30. RACESYNC P2 5 PWM1 8IDTRIUTRACEPKTO P2 6 PCAP1 O RIT TRACEPKT1 P2T RDZRTSITRACEPKT2 P2 8 TD2 TXD2 TRACEPKT3 P2 9 RXD2 EXTINO P2 10 EINTO PZ1MEINTI MCIDAT1 12STX_CLK P2 12 EINTUMCIDAT2I2STX_WS P2AZ EINTSIMCIDATINIZSTX_SDA P2 14 CS2ICAP2 O SDA1 P2 15 CS3ICAP2 1 SCL 1 P2 18 CAS P2A17 RAS P2 18 CLKOUTO P2A19 CLKOUT1 P220 DYCSO P221DYCS1 P2 22 DYCS2 CAP3 Q SCKO P223 DYCS3ICAP3 l SSELO P224 CKE0 P225 CKE P2 20 CKE2IMAT2 0IMISOO 2 P227 CKESIMAT3 1 1MOS O P228 DQM0 88 ges P229 DQM1 8 88 P2 30 DQM2 MAT3 2 SDA2 P2 31 DOM3MAT3 3 SCL2 8888 8 C22 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF 100nF L E L L L L L L L L TITLE LPC2468 32 Board v1 0 1 Sheet 1 5 Document Number Date 2007 04 06 01 09 13 Figure 6 LPC2468 OEM Board Schematic v2 0 32 bit data bus page 1 Copyright 2008 Embedded Artists AB S7Z n us T 60 10 90 p0 Z00Z Lee m 48qunwN iueun2og T TA p4eog ZE 89bZId1 OUT ud n oi solo 81 ud gn o eso z ud en 01 soo q a a a 34004 3nt eo LE veo e9 zz ud en 0 soo a al 39001 an DE 62 neeg aua 1 ai al al 39001 3u001 AOL JPOL 2 au gz D 929 8 ze ud en 01 95019 ta Awe KIK 1N WAOQ Md N 13s38 KS 01 8 8 Ad Seu EE an 3 xu gaads O31 Oe Anden EC zOvAHdQxs OYAHd OXY svay YOVAHd OQXH au 2 08 NX aL eax 0L 1no zHwsz x OK AA89r9c9dg en JOJ93ULO9 Joo SH Y ZHIN
31. a complete Linux development environment for uClinux development based on VMware Player technology you can develop for uClinux on your Windows PC Note that there may be patches and newer versions of different documents and programs available See Section 5 1 for information about the product registration process which allows you to always have access to the latest versions 5 1 Product Registration By registering as a customer of Embedded Artists you will get access to more valuable material that will get you up and running instantly e Access to the QuickStart Build Environment from Embedded Artists which contains a complete setup of a build environment for GCC e Access to a Real Time Operating System RTOS in the form of a library that can be used for non commercial applications e Access to a number of sample applications that demonstrated different peripheral functions in the LPC2468 processor e Access to the latest versions of all information and programs on the CD ROM Registering is easy and done quickly 1 Go to http www EmbeddedArtists com select Support and then Register 2 Type in the products serial number can be found on the LPC2468 OEM Board package along with your personal information Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Page 50 6 Further Information The LPC2468 microcontroller is a complex circuit and there exist a number of other documents with a lot more
32. ad the display controller documentation for further information about the other interface options 16 bit parallel 9 bit parallel 8 bit parallel 4 wire serial SPI uf 8080 style i f 8080 style i f 8080 style i f Configuration pins Default Setting H L L L PSO CFGI L L L H PS1 CFG2 L H L H PS2 CFG3 H L H H PS4 CFG4 Does not matter This pin is currently not used CFG5 Does not matter This pin is currently not used CFG6 3 8 1 Touch Screen Option on Display Version 2 The touch screen controller used is TSC2046 from Texas Instruments This chip has a SPI interface and shares the SI SO SCK pins in the main interface connector with the LCD controller The TSC2046 chip select CS must be low i e active in order to communicate with the touch screen controller See TSC2046 datasheet for details about the serial interface The SPI interface to the touch screen controller is configured as below e P0 15 SCK SPI clock signal e P0 16 SSEL chip select for controller e P0 17 MISO SPI master input slave output e P0 18 MOSI SPI master output slave input e P2 13 Optional interrupt pin connected via jumper The picture below illustrates the jumper settings for the touch screen option Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Jumpers to select interface to display Settings do not affect touch screen interface
33. addressed by CSO address range 0x8000 0000 Ox80FF FFFF 16 bit databus width is used here e Anexternal NAND FLASH 1 GBit 128 MByte in size addressed by CS1 address range 0x8100 0000 Ox81FF FFFF 8 bit databus width is used here e Anexternal SDRAM 256 MBit 32 MByte in size addressed by DYCSO address range 0xA000 0000 OxAFFF FFFF Depending on board version either 16 bit or 32 bit databus width is used here The NAND FLASH has an optional busy output that can be used for controlling the erase program operations with better precision The signal is available on the expansion connector If needed the signal can be routed to a suitable i e free input pin The busy status of the chip is also available under software control 2 2 6 External Memory Interface The LPC2468 memory interface is available on the expansion connector The data bus width is either 16 or 32 bits on the external interface depending on board version All signals are buffered The buffers are disabled unless enabled by external signals By pulling signal ABUF EN low the two buffers for address and control signals are enabled and act as outputs from the LPC2468 OEM Board On some OEM Boards notably on v2 0 OEM Boards mounted on v1 3 OEM Base Boards signal ABUF EN is always pulled low This is due to a limitation on the OEM Base Board Basic v1 3 which should pull this signal low but lack this part The effect is that the two address
34. an be done easily even for modest production volumes Contact Embedded Artists for further information about design and production services 1 4 1 Design and Production Services Embedded Artists provide design services for custom designs either completely new or modification to existing boards Specific peripherals and I O can be added easily to different designs for example communication interfaces specific analog or digital I O and power supplies Embedded Artists has a broad and long experience in designing industrial electronics in general and with NXP s LPC2xxx microcontroller family in specific Our competence also includes wireless and wired communication for embedded systems For example IEEE802 11b g WLAN Bluetooth ZigBee ISM RF Ethernet CAN RS485 and Fieldbuses 1 4 2 LPC2xxx OEM Education QuickStart Boards and Kits Visit Embedded Artists home page www EmbeddedArtists com for information about other OEM Education QuickStart boards kits or contact your local distributor Copyright 2008 Embedded Artists AB User s Guide 2 LPC2468 OEM Board Design This chapter contains detailed information about the electrical and mechanical design of the LPC2468 OEM Board version 2 0 2 1 LPC2468 OEM Board Schematics v2 0 16 bit data bus C2 C1 uF AOV E D D 100nF BLM18AG6q 183 12 100nF BLM18AG601S LPC2468 CPU PO ORDI TXDSISDAT PO ATD1RXD3ISCL1 PO 2 TXDO PO URXDO POA
35. and control signal buffers are always enabled The data bus buffer is controlled by the signal DBUS EN By pulling this signal low the data bus buffer is enabled The LPC2468 signal OE controls the direction of the data bus buffer During read operations the buffer acts as an input and during write operations it acts as an output Note that DBUS_EN must not be pulled low constantly In that case the buffer will collide with the board s internal data bus DBUS EN must only be pulled low when an external memory IO device is accessed If for example CS2 is used to decode and access an external device connect the signal CS2 directly to DBUS EN If more than one chip select signal is used logically AND all chip select signal together before driving the DBUS EN signal The OEM Base Board contains an example of this If the external memory interface is not used leave ABUS EN and DBUS_EN unconnected 2 2 7 USB OTG The LPC2468 contains both a USB device and USB host interface Two alternative USB signal pairs exist USB channel A and channel B Some restrictions exist for how device and host interfaces can be mixed See the LPC2468 User s Manual for details about this An external USB OTG transceiver ISP1301 from NXP is connected to USB channel A The chip is only active during initial OTG signaling for deciding if the unit shall be a USB Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide Page 20 device or ho
36. and other pointing devices 1d Monitors Bill Network adapters BE 1394 Net Adapter 8 Broadcom 440x 10 100 Integrated Controller Sa Dell draadloze WLAN 1450 dubbele band WLAN Mipi B Wireless G Notebook Adapter with SRX Gb Other devices S PCMCIA adapters Ports COM amp LPT Jy SE Port COM3 Sft Processors d SCSI and RAID controllers Sound video and game controllers d System devices amp Universal Serial Bus controllers DR Fri Hen LU E H Figure 27 Device Manager Dialog Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Page 46 The new COM port USB Serial Port will be listed under the Ports list Right click on the new USB Serial Port and select Properties as illustrated in Figure 28 below a Device Manager m m ES File Action View Help lt gt m a 2 IDE ATA ATAPI controllers amp IEEE 1394 Bus host controllers c Keyboards 15 Mice and other pointing devices USB Serial Port Monitors Ha Network adapters B 1394 Net Adapter E9 Broadcom 440x 10 100 Integrated Controller Sa Dell draadloze WLAN 1450 dubbele band WLAN Mini PC 8 Wireless G Notebook Adapter with SRX A Other devices S PCMCIA adapters Ports COM amp LPT 7 SB Serial Port CON Update Driver SR Processors GEES amp SCSI and RAID controll Uninstal Sound video and gamel 3 Y System devi
37. bus D1 Gren C2 C1 N m 2uFH0v 100nF BAT60A ID ID LPC2468 CPU Ut LPC2468 u R K BLM18AG6016 CA Ls Ur 100nF 100nF 2 BLM18AG601S C6 22pF 22pF L L Y2 12MHz ce i I D D Place at U1 pin G3 P6 P8 U13 P17 K16 C17 B13 C9 D7 H4 P11 D11 ALARM RESET RSTOUT DBGEN TCK RTCK TRST TMS TDI TDO P4 0 A0 PAMAN P42 A2 P43 A3 Pasas P4 5 A5 P4 8 AG P4TIAT P4B8 AB P4 0 AD P4 10 A10 PAMAN Pa 12 A12 P4 13 A13 P4 14 A14 P4 15 A15 P4 16 418 PSATIAIT P4 18 A18 P4 19 419 P4 20 A20 SDA2 SCK1 Pa 21 A21 SCL2ISSEL1 P4 22 A22 TXD2 MISO1 P4 23 A23 RXD2 MOSI1 P4 24 0E P425 WE P4 26 BLS0 P427 BLS1 P4 28 BLS2 MAT2 0 TXD3 P4 29 BLS3 MAT2 1 RXD3 P4 30 C50 P4 31 CS1 P3 0 DO P3 1D1 P3 2 D2 P3 3 D3 P34 D4 P3 5 D5 P3 6 D8 P3 7 D7 P2 8 D8 P3 9 D9 P3 10 D10 P3 11 D11 P3 12 D12 P3 13 D13 P3 14 D14 P3 15 D15 P3 16 D16 PWMD t TXD1 P3 17 D17 PWMO 2 RXD1 P3 18 DTB PWMO 3 CTS 1 P3 19 D19 PWMO 4 1DCD1 P3 20 D20 PWMO 5 DSR1 P3 21 D21 PWMO 8 DTR1 P3 22 D22 PCAPO 0 RI1 P3 23 D23 CAPO D PCAP1 0 P3 24 D24 CAPO 1 PWM1 1 P3 25 D25 MATO O0 PWM1 2 P3 26 D26 MATO 1 PWM1 3 P3 27 D27 CAP1 0 PWM1 4 P3 28 D28 CAP1 1 PWM1 5 P3 29 D29 MAT1 0 PWM1 8 P3 30 D30 MAT1 1 RTS1 P3 31 D31 MAT1 2 C10 88888 PO O RD1 TXD3ISDA1 POLIITDI RXDS SCL PO 2 TXDO P0 3 RXD0 P0 4 I2SRX_CLKIRD2ICAP2 0 P0 5 I2SRX_WSITD2ICAP2 1 PO NIZSRX SDA SSELUMAT2 0 PO 7II2STX C
38. ces Scan for hardware change amp Universal Serial Bus con Ed E j ja ES ES b e Opens property sheet for the current selection property sheet for the current selection Figure 28 Device Manager Port Dialog Set 38400 bits per second 8 data bits none parity 1 stop bit and none flow control as illustrated in Figure 29 below Then select Advanced settings x USB Serial Port COM3 Properties General Port Settings Driver Details its per second Data bits 8 y s Stop bits h sl UART settings Restore Defaults Advanced settings Figure 29 USB Serial Port Properties Dialog Set the desired COM port number under the Advanced settings dialog NXP s FLASH Utility program for ISP program download needs for example a COM port number between 1 Copyright 2007 O Embedded Artists AB LPC2468 OEM Board User s Guide and 5 Very often the COM port number selected but the USB Serial Port is hieher than this so this needs to be changed manually It is common that all COM ports with low numbers are listed as occupied but test to change to alow number anyways Very often it s no problem at all to do this x Advanced Settings for COM3 iJ COM Port COMPorNumber SENE Number Setting USB Transfer Sizes Select lower settings to correct performance problems at low baud rates
39. cifically disclaim any implied warranties or merchantability or fitness for any particular purpose Information in this publication is subject to change without notice and does not represent a commitment on the part of Embedded Artists AB Feedback We appreciate any feedback you may have for improvements on this document Please send your comments to support EmbeddedA rtists com Trademarks InfraBed and ESIC are trademarks of Embedded Artists AB All other brand and product names mentioned herein are trademarks services marks registered trademarks or registered service marks of their respective owners and should be treated as such Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide Page 3 Table of Contents 1 Introduction 5 1 1 Features 5 1 2 ESD Precaution 6 1 3 Code Read Protection 7 1 4 Other Products from Embedded Artists 7 1 4 1 Design and Production Services 7 1 4 8 LPC2xxx OEM Education QuickStart Boards and Kits 7 2 LPC2468 OEM Board Design 8 2 1 LPC2468 OEM Board Schematics v2 0 16 bit data bus 8 2 2 LPC2468 OEM Board Schematics v2 0 32 bit data bus 13 2 2 1 CPU 18 2 2 2 Powering 18 2 2 3 Analog Inputs Outputs 18 2 2 4 Ethernet Interface 18 2 2 5 External Memories 19 2 2 6 External Memory Interface 19 2 2 7 USB OTG 19 2 2 8 Reset Generation 20 2 2 9 2C E2PROM 20 2 2 10 uSD transflash Connector 20 2 2 11 Expansion Connectors 20 2 2 12 Not Mounted Components on Top Side 20 23 Memory Lay
40. driver installation a COM port will be created Before communication with the Board can take place the UART settings must be correctly set The following description is valid for Windows XP but other operating systems have similar dialog windows See the USB driver documentation for details if needed To change UART settings first open the System Properties dialog as illustrated in the figure below Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Page 45 System Properties System Restore Automatic Updates General Computer Name Hardware Advanced Device Manager Device The Device Manager lists all the hardware devices installed on Manager your computer Use the Device Managerto change the properties ofany device Device Manager Drivers Driver Signing lets you make sure that installed drivers are compatible with Windows Windows Update lets you setup how Windows connects to Windows Update tor drivers Driver Signing Windows Update Hardware Profiles R Hardware profiles provide a way for you to setup and store different hardware configurations Hardware Profiles Figure 26 System Settings Dialog Then select the Device Manager and then open the Ports list as illustrated in Figure 27 below a Device Manager E JOK File Action View Help gt m maa GG mma 3 IDE ATA ATAPI controllers Se IEEE 1394 Bus host controllers c Keyboards 5 Mice
41. eneration e Compact dimension 80 x 65 mm 16 bit data bus version 75 x 40 mm 32 bit data bus version Sik layer PCB design for best noise immunity There is an accompanying OEM Base Board version Basic that can be used for initial prototyping work The features of the board are e Connectors 2x100 pos 0 6mm pitch connector for LPC2468 OEM Board Ethernet connector RJA5 MMC SD interface amp connector JTAG connector Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide Page 6 Pads for ETM connector e Interfaces USB OTG interface amp connector USB device interface amp connector USB host interface amp connector Full modem RS232 on UART 1 CAN interface amp connector e Power Power supply either via USB or external 9 15V DC Q 3F capacitor backup power for RTC on LPC2468 e Expansion Color QVGA LCD expansion connector serial and parallel interface options Touch screen expansion connector to above display on v1 5 of OEM Base Board e Other 5 push button keys four via DC and one on P2 10 5 LEDs four via I2C and one on P2 10 2 Analog inputs USB to serial bridge on UART 0 FT232R and ISP functionality Reset push button and LED All OEM Board signals available on expansion connector pads Speaker output on v1 5 of OEM Base Board 240x150 mm in size 1 2 ESD Precaution Please note that the LPC2468
42. er s Guide that describes the LPC2468 OEM Board both 16 and 32 bit data bus versions and the OEM Base Board Basic hardware design There is a separate document describing program development for the LPC2xxx series in general 1 1 Features Embedded Artists LPC2468 OEM Board with NXP s ARM7TDMI LPC2468 microcontroller lets you get up and running quickly The small form factor OEM board offers many unique features that ease your learning curve and program development The board has also been designed for OEM applications with volume discount available e NXP s ARM7TDMI LPC2468 microcontroller in BGA package with 512 KByte program FLASH and 96 KByte SRAM e External FLASH memories 128 MB NAND FLASH and 4 MB NOR FLASH e External data memory 32 MB SDRAM e 12 0000 MHz crystal for maximum execution speed and standard serial bit rates including CAN and USB requirements e 32 768kHz RTC crystal e 100 10M Ethernet PHY interface based on Micrel KSZ8001L 16 bit data bus version and National DP83848 32 bit data bus version e USB OTG support on USB A channel via external ISP1301 chip e 256 Kbit DC E2PROM for storing non volatile parameters e Buffered 16 or 32 bit data bus for external expansion e Connector Two 100 pos connector FX8C 100 from Hirose 0 6mm pitch All LPC2468 pins available except a few used for Ethernet and USB OTG interface e uSD transflash interface and connector e 3 3V only powering e Onboard reset g
43. inserted simultaneously e When using the 32 bit data bus version of the LPC2468 OEM Board all jumpers in connectors J36 and J38 should always be removed The UART signals in signals P3 xx else collide with the upper 16 data bits of the data bus J36 connects the RS232 interface to UART 1 and J38 connects the WLAN interface to UART 1 3 4 Connectors Figure 18 below illustrate the position of all external connectors on the OEM Base Board Basic Board picture is from older revision of the board but all essential parts are identical WLAN module Input power J29 Expansion connector J2 display expansion EZ connector Ea UII ES USB Host J43 n LED nitnnnnopnnn A USB Device CONI USB OTG J39 Figure 18 OEM Base Board Basic External Connectors Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Page 36 3 4 1 JTAG Connector Issue Note that pin 20 on the JTAG connector J21 is left open Most JT AG debuggers do not require this specific pin to be grounded One known JTAG debugger however requires this pin to be grounded and that is Amontec JTAGkey Tiny In case you experience problems test to ground pin 20 for example by a soldering joint between pin 18 and 20 of the connector 3 4 2 Mictor 38 ETM Connector The ETM connector J22 is not mounted on the board It s designated J6 The connector can be soldered
44. it data bus 40 mm 32 bit data bus 60 96mm 2400 mil FX8C 100S connectors on back side Centered on X and Y axis Figure 11 LPC2468 OEM Board Mechanical Dimensions Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide Page 23 2 6 Known Limitation of LPC2468 OEM Board 2 6 1 SDRAM Clock Frequency 16 bit databus versions There is one known limitation of the LPC2468 16 OEM Board The cpu core clock frequency must not exceed 48 MHz on early boards when using the external SDRAM Note that this limitation only applies when using the external SDRAM If the SDRAM is not used the cpu core frequency can be up to full specification of the LPC2468 different for different chip revisions Normally the internal PLL frequency is set to 288 MHz the external 12 MHz crystal frequency multiplied by 24 Dividing 288 MHz with 6 gives a core frequency of 48 MHz and dividing with 4 gives 72 MHz The table below lists the limitations on different versions of the LPC2468 16 OEM Board e LPC2468 16 OEM Board ver 1 0 Cpu core frequency must not exceed 48MHz when using external SDRAM e LPC2468 16 OEM Board ver 2 0 Cpu core frequency must not exceed 48MHz when using external SDRAM e LPC2468 16 OEM Board ver 2 0a Cpu core frequency can be up to 72M Hz 2 6 0 SDRAM Clock Frequency 32 bit databus versions There is one known limitation of the LPC2468 32 OEM Board The cpu core clock frequency must
45. ll 72 MHz 288 MHz divided by 4 equals 72 MHz There is a 32 768 kHz crystal clock for the on chip real time clock peripheral unit or RTC for short The microcontroller can be placed in a very low power mode while the RTC operates and keeps track of time Power for the RTC during these low power modes comes from the VBAT input pin Power is sourced either from the 3 3V power supply or the external VBAT IN signal available on the expansion connector depending on which one have highest voltage 2 2 2 Powering There is no internal power supply on the board The LPC2468 contains an internal DC DC converter to generate the internal 1 8V power needed by the core The LPC2468 OEM Board module must be powered by a single external 3 3V power supply The supply must be stable and should have at least four 68uF bulk capacitor s close to the power pins on the expansion connectors 2 2 3 Analog Inputs Outputs The LPC2468 contains analog peripherals that need a reference voltage which is supplied from the VREF input pin This reference voltage that must be supplied externally can be the VDDA power which is a filtered 3 3V power supply The VDDA power is available on the expansion connector under the name V3A See schematic for details A filtered version of analog ground is also available under the name VSSA 2 2 4 Ethernet Interface The LPC2468 have an internal Ethernet MAC peripheral with interface to an external PHY i e the analog in
46. onnected to UART 0 of the LPC2468 See Figure 24 below for details about where the jumpers are located Make sure the automatic ISP jumpers are open If not it s possible that a terminal program resets the board and or enable ISP mode by accident These jumpers should normally always be open The only exception is when updating the u boot bootloader or downloading program code into the internal FLASH via ISP functionality USB Connector Automatic ISP jumpers Shorted enable ISP Open disable ISP RX TX jumpers Both jumpers always to the left TET Se Figure 24 Jumper Settings for USB Serial Connection Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Page 43 Now follow the steps below to get contact with the uClinux console interface of the system 1 Connect the USB cable between the PC and the LPC2468 OEM board 2 Verify that the power LED on the LPC2468 OEM Board lights 3 Search for the new virtual COM port that is created This can be down from the Device Manager in Windows 4 Make sure the settings of the new COM port is 38400 bps 8N1 8 databits no parity 1 stopbit The COM port number should be a low number preferably below 6 since some terminal programs can only handle COM port number up to 5 5 Mare sure the automatic ISP jumpers are open and that the RX TX jumpers are closed as in the picture above 6 Start a terminal program and connect to the new COM port
47. out 20 2 4 Usage of CPU Pins 21 2 5 LPC2468 OEM Board Mechanical Dimensions 22 2 6 Known Limitation of LPC2468 OEM Board 23 2 6 1 SDRAM Clock Frequency 16 bit databus versions 23 2 6 2 SDRAM Clock Frequency 32 bit databus versions 23 2 6 3 Ethernet Clock 32 bit databus versions 23 2 6 4 NAND FLASH Bad Block 23 3 OEM Base Board Basic Design 24 3 1 OEM Base Board Basic Schematics v1 3 v1 4 and v1 5 24 3 2 Usage of CPU Pins 29 3 3 Jumpers 34 3 3 1 USB VBUS Sense 34 3 3 2 Illegal Jumper Combinations 35 3 4 Connectors 35 3 4 1 JTAG Connector Issue 36 3 4 2 Mictor 38 ETM Connector 36 3 5 Important Components 36 3 6 QVGA Display Add on Board 37 Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide Page 4 3 7 Display Version 1 vs Version 2 37 3 8 Interface Configuration Display Version 2 38 3 8 1 Touch Screen Option on Display Version 2 38 3 9 Interface Configuration Display Version 1 39 3 9 1 QVGA Display Jumper Settings 40 4 Getting Started 41 4 1 Basic Requirements 41 4 2 Initial Setup and Powering 41 4 3 LAN Ethernet Setup 43 4 4 FTDI USB Driver 44 4 4 1 USB Driver Behavior 48 5 CDROM DVD and Product Registration 49 5 1 Product Registration 49 6 Further Information 50 Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide Page 5 1 Introduction Thank you for buying Embedded Artists LPC2468 OEM Board based on NXP s ARM7TDMI S LPC2468 microcontroller This document is a Us
48. p Le uld on je ald QNO QNO QNO Ql al al al al al al 0 al 3uoot 4uoot 3uoot 3uoot 3uoot 3uoot 3uoot 20001 20001 AOL 3NzZ AOne AOL 3NzZ SCH 269 zh T HZC9L9SSty Zoe Lo OH MI ZL uld pN ye ald al ai 3uooL 3uoot 965 or d qq BB SIS lt 22323 d V0n8091 36 vn 2x 4444 3418X0 0000 0018X0 1S2 4444 343Vx0 0000 000vX0 08910 4444 4408X0 0000 0008X0 0S2 HSV14 QNVN MANS8ZL 11991 INvsas MANZE HANISZ HSV14 HON MANY 13Nc LPC2468 OEM Board User s Guide Figure 3 LPC2468 OEM Board Schematic v2 0 16 bit data bus page 3 Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide 9 y n us 9v CVTO c2 90 2002 reg 148qunw iueun2og ETZA P4eoB8 W30 89yZId1_ 371111 INOHd33 IQ9s2 d r SON 10 3 1 PIO Kiowa GS OWW LOELdSI a 1551 SN isoein 910 v euueyo gen QNS 13934 sun SOA SII81VO on uonejeueb josoy page 4 Figure 4 LPC2468 OEM Board Schematic v2 0 16 bit data bus Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide d N gt v x 5 o m Li EI o a l sal E Date 2007 06 22 01 12 46 Document Number 555555 TTT Figure 5 LPC2468 OEM Board Schematic v2 0 16 bit data bus page 5 Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide 2 2 LPC2468 OEM Board Schematics v2 0 32 bit data
49. pply either via USB or external 9 15V DC e Expansion Color QVGA LCD expansion connector serial and parallel interface options Touch screen interface to QVGA LCD on v1 5 OEM Base Boards WLAN module IEEE802 11b g expansion connector e Other 5 push button keys four via I2C and one on P2 10 5 LEDs four via I2C and one on P2 10 2 Analog inputs USB to serial bridge on UART 0 FT232R and ISP functionality Reset push button and LED Q 3F backup capacitor for VBAT power signal to LPC2468 OEM Board Can supply current for many days for the LPC2468 real time clock module Speaker output on v1 5 OEM Base Boards All OEM Board signals available on expansion connector pads 240x150 mm in size 3 2 Usage of CPU Pins Almost all pins of the LPC2468 are directly available on the expansion connectors Only in a few cases are pins used for dedicated functionality like Ethernet interface and USB OTG Such pins are not available on the expansion connector The table below lists all pins and their possible restrictions Copyright 2007 Embedded Artists AB LPC2468 OEM Board User s Guide Copyright 2007 O Embedded Artists AB E Pin Usage P0 0 Can be connected to RD1 for CAN channel 1 P0 1 Can be connected to TD1 for CAN channel 1 P0 2 Can be connected to USB to serial bridge TxD on UART
50. st The chip also provides pull up pull down functionality on D D signals needed for USB device host advertising If OTG functionality is not needed the chip is inactive and does not interfere with the USB communication Note that the USB OTG negotiation must be implemented in software which is not provided for free 2 2 8 Reset Generation The rest generation is handled by a standard voltage supervisor chip CAT811S from Catalyst Semiconductor The reset signal will be held active i e low until the supply voltages 3 3V is within margins The reset duration is typically 200 mS consult the CAT811S datasheet for exact details The output reset signal is push pull output that is converted to an open collector open drain output via the 74LVC1G125 buffer An external reset source can pull the reset signal low with an open collector open drain output The reset generator can be found on page 4 of the schematic 2 229 12C E2PROM There is also a 256 kbit E PROM accessible via the DC interface The LPC2468 microcontroller has three on chip PC communication channels Channel 0 is used for communicating with the E PROM More peripheral units are easily connected to the two wire PC bus just as long as the addresses do not collide The address of the 256kbit E PROM is 0xAQ There are 1 5 kohm pull up resistors which are always needed on I C busses included on the board The PC E PROM can be found on page 4 of the schematic
51. strobe If a serial interface is used see the datasheet for details about timing and how the different control signals are used Note that maximum clock frequency is 10 MHz 3 9 1 QVGA Display Jumper Settings The picture below illustrates the jumper settings for the display Jumpers to select interface to display 8808 0988888 m Left position for parallel interface connected to the memory bus Right position if serial interface Figure 22 QVGA Display Jumper Settings on the OEM Base Board Basic Copyright 2007 O Embedded Artists AB LPC2468 OEM Board User s Guide Page 41 4 Getting Started This chapter contains information about how to get acquainted with the LPC2468 OEM Board which is shipped with a ready to run image of uClinux In this quick guide you get to take the first step and start using the board Please read this section first before you start using the board it will be well spent time The board is pre loaded with an uClinux distribution and some of the sections below focus on getting contact with the uClinux system console 4 1 Basic Requirements This is a list of what you need to have before you start e A WindowsO PC with an Internet browser e g Internet Explorer or Firefox a Telnet client a FTP client and or a SSH client A Windows PC has Internet Explorer a Telnet and a FTP client as default e A suitable terminal program e An Ethernet cable LAN cable to connect the board
52. terface to an Ethernet interface Page 2 of the schematic contains the Ethernet PHY The KSZ8001L external Ethernet PHY from Micrel is used and interfaces the LPC2468 via the RMII interface on 16 bit data bus version The DP83848 from National is used on the 32 bit data bus board version The PHY is driven by an external 50 MHz clock that is also feed to the LPC2468 This is part of the RMII interface specification The PHY is always enables can be disabled under program control but have an external power down signal that can be used by an external device There is also an interrupt signal from the PHY that can be used to signal link events like connect disconnect of a cable Neither the power down nor the interrupt signal is used by the LPC2468 OEM Board but the signals are available on the expansion connector If the signals are not used just leave them unconnected Copyright 2008 Embedded Artists AB LPC2468 OEM Board User s Guide Page 19 Due to silicon errata on early chip revisions the P1 6 pin is left unused This blocks the use of the alternative function MCIDATO which is relevant for the MCI interface In this case pin P0 22 can be used instead since the MCIDATO signal is available in this pin also 2 2 5 External Memories There are three external memory chips connected to the external memory bus interface of the LPC2468 16 bit databus width is used on the board e Anexternal NOR FLASH 32 MBit 4 MByte in size
53. this page Make sure your PC does not have the IP address 192 168 0 100 but any other IP address in the range 192 168 0 X where X is 1 99 101 254 will do Some valid IP addresses for your PC are for example 192 168 0 2 192 168 0 3 or 192 168 0 200 Now it s time for the first test Connect the Ethernet cable and power up the board Make sure the PC and the LPC2468 OEM Board are in the same IP subnets An easy way to test if Ethernet IP communication function properly is to ping the board From a command prompt window type ping 192 168 0 100 Note the green LEDs on the Ethernet connector of the OEM Base Board that flash every time an Ethernet frame is received You should be able to see the LED flash at the same rate as the ping packages are sent Other communication on your Ethernet network might make the LED flash much faster than this 4 4 FTDI USB Driver A USB driver must be installed on your PC computer in order for the USB to UART chip FT232R to function Make sure to download the latest version of the driver which can be found at the following URL http www ftdichip com Drivers V CP htm search for a FT232R driver for your operating system Latest version of the driver at the time of writing this document is 2 00 00 When the OEM Base Board is connected to the PC via an USB cable the PC will ask for a driver Unpack unzip the downloaded driver file and browse to the position of the driver files After successful
54. uk download docs lpc2300 con reg download 1pc2300 book html Especially note document 3 There exist a number of bugs in the processor that is important to be aware of Note that there can be newer versions of the documents than the ones linked to here Always check for the latest information version Copyright 2007 Embedded Artists AB
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