Manual
Contents
1. 1 VUSB1 2 0 and 3 0 2 USB1 2 0 3 USB1 2 0 4 GND 2 0 5 RX 3 0 6 RX 3 0 7 GND 3 0 8 TX 3 0 9 TX 3 0 20 of 21 Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 7 LEDs There are LEDs on the board as described below On when 5V is valid On when 3 3V is valid D12 V_LCD On when the 5V to the LVDS is enabled 8 Switches and Shunts 8 1 Shunts There are four shunts on the board They are defined below Allows software control of the V_ LCD Enable J10 Out V_LCD is forced on V_LCD 3 3V J11 Out V LCD 5V 21 of212. o u2 i 2 6 t 1 VIN PWRGD aa C10 T c9 R10 Sy en BOOT o f L2 Q AUF 10 0K 4 10 ahy Se r 57 SS TR PH AUF T FUNA T gt gt 3 RT CLK 47uH ll ji F COMP 3 D6 Ra aek cia i ci2 eta Rie Tab vseNse LX x as au 47UF au ret al Alls alle al i TPS54140 mol m 2 R13 7 R58 5 S 374k L ei L PE de ajs aL i R59 01UF Eg T lt l f 6 8pF 2700PF 10 0K L L L 3 3V Regulator The PWRGD signal being an open drain output is connected to PWR_OK signal of the 5V regulator 5 1 3 VLCD Regulation The V_LCD rail for the LVDS monitor is also derived using a Texas Instrument TPS54140 Buck switch with adjustable output The TPS54140 can supply up to 1 5A of current and provides over current protection The TPS54140 is configured to regulate at 3 3V or 5V via the VSENSE voltage which is set by R64 R65 and R56 The Shunt J11 adds R64 to the circuit and if not installed adjusts the output to be 5V and if installed creates a parallel resistance between R64 and R65 31 6K and adjusts the output to be 3 3V 12 of 21 Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 2 8 u18 i 2 6 t VIN PWRGD x c104 v LCD cw cos Sy en Boor H 121 9 i et 4UF 4 10 l SS TR PH 0 oy RTICLK 68UH COMP pit 9 ok poa aus as bee tow sste TRT TE lt 10 0K 76 TPAD VSENSE le ais ADE J10 2 a ji e TPS54140 L
3. D1 5 D1 Shield 6 D1 7 DO 8 DO Shield 9 DO 10 CLK 11 CLK Shield 12 CLK 13 CE Remote 14 NC 15 DDC CLK 16 DDC _ DATA 17 GND 18 5V 19 HP DETECT 16 of 21 Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 6 5 LVDS Connector J7 is a Hirose df14 20p 1 25 1x20 header that provides connectivity to external LVDS Displays 1 V_LCD 2 V_LCD 3 GND 4 NC 5 LVDS0 6 LVDS0 7 GND 8 LVDS1 9 LVDS1 10 GND 11 LVDS2 12 LVDS2 13 GND 14 LVDS_CLK 15 LVDS_CLK 16 GND 17 LVDS3 18 LVDS3 19 GND 20 6 8 bit select jumper 17 of 21 Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 6 6 Backlight Connector J8 CN1 is a Hirose BSB PH SM4 TB LF SN 1x5 2 54mm header that provides connectivity to the backlight power of LVDS Monitors 1 12V 2 LVDS_BKLT_EN 3 GND 4 LVDS _BKLT CTRL 5 5V 18 of 21 Embedded Now ComExpress Carrier Hardware User Manual 6 7 USB 2 0 Type A Connector P2 P3 P4 P5 P6 P8 P2 is an Amp 292336 1 Vertical Mount Type A USB connector that provides connectivity to external peripherals 1 VUSB1 2 USB1 3 USB1 4 GND 19 of 21 Rev 0 20 Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 6 8 USB 3 0 SS Connector P7 P7 is an Amp 292336 1 Horizontal Mount Type A USB connector that provides connectivity to external peripherals
4. Low Dropout Regulator PTC Positive Temperature Coefficient NTC Negative Temperature Coefficient FET Feild Effect Transistor SPST Single Pole Single Throw BJT Bipolar Junction Transistor NC No Connect PTZ Point Tilt Zoom WFT Wireless File Transfer 5 of 21 Rev 0 20 Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 3 Block Diagram 10 284 Enable B Connector Com Express Type A us3 0 Below is the block diagram of the ComExpress Carrier Board System Block Diagram 6 of 21 Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 4 Functional Description The primary function of the Piconium Carrier Board is to mount a type 10 ComExpress Module from any vendor However this board has been designed to interface with the Congatec MA3 type 10 module 4 1 Com Express Interfaces The physical interface to the Com Express module supports the A B connector only and a sub set of the electrical interfaces It is not in the scope of this document to define the Com Express electro mechanical interface More detailed information can be found in the Com Express Specification from PICMG all A HLL lt m LVDS A dedicated FC eDP dedicated PC GPI 0 3 GPO 0 3 SDIO W atchdog Timeout Speaker Out in BIOS ROM Support SPI System Reset Carrier Board Reset Suspend Control PCI Express W ake Up Sign
5. R64 Ro gt V LCD_LEN gt 2 FD 1 4 l rea i 80 6K gt 52 3K j MA aL 150K I 4 T emre TT c10 eu wo 6 8pF 2700PF rN ay SILK DISPLAY PWR ON Mla ae ta ee A amp F i s j SILK VLCD SELECT OUT 5V IN 3 3v V_LCD Regulator The Enable input is pulled up to 3 3V and if the shunt J10 is not installed the regulator is enabled If J10 is installed then software can control the enable via the V_LCD_ON signal from the Com Express Module 13 of 21 Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 6 Connectors 6 1 Com Express A B Connector Refer to the Com Express Specification for the pin out of this connectors 6 2 Power Connector J1 JI is a Molex 39 30 1020 1x2 Right Angle Mini Fit Jr connector that provides power to enter onto the board 1 12V In 2 Ground 14 of 21 Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 6 3 Reset Connector CN1 CNI is a Samtec TSW 105 07 G D 2x5 2 54mm header that provides connectivity to external peripherals 1 GND 2 PWR BIN R 3 GND 4 SYS RESET _N 15 of 21 Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 6 4 HDMI Connector J12 J12 is a JAE Electronics DPIRD20JQ1R400 Right Angle Display Port Connector that we ONS ee provides connectivity to external Display Port Monitors 1 D2 2 D2 Shield 3 D2 4
6. a Texas Instrument TPS54140 Buck switch with adjustable output is used The TPS54140 can supply up to 1 5A of current and provides over current protection The TPS54140 is configured to regulate at 5V via the VSENSE voltage which is set by R6 and R9 R5 and R57 also provide an under voltage protection and will only allow the supply to regulate if the input voltage is greater than 9 18V 11 of 21 Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 2 ran 8 t 3 aT gt 5 J EN BOOT ili 1UF 0 0K 4 nw RTICLK 68UH T ji T tt cor 3 D4 2 RS l ss16 Sza c10 ca A a prae 7 E a7ur 47uF WIO 9 18 a TPAD VSENSE L TPS54140 sce ae gal R8 oS Le og M la 0t1uF c t St ey est a f T esp 2700PF l ji i SyPWR_OK 4 HH 28 ihe 5V Regulation PWR_OK is routed to the Com Express module indicating all power supplies are valid 5 1 2 3 3V Regulation To generate the 3 3V a Texas Instrument TPS54140 Buck switch with adjustable output is used The TPS54140 can supply up to 1 5A of current and provides over current protection The TPS54140 is configured to regulate at 3 3V via the VSENSE voltage which is set by R14 and R59 R10 and R58 also provide an under voltage protection and will only allow the supply to regulate if the input voltage is greater than 9 18V s ill
7. Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 EmbeddeqNow Piconium I IN I I AAZNAN IVININ N N INZNAN WALAY VN NXV VALVANYINI NIN Pico sized Comm Express Carrier Industrial Grade wide voltage range Card User Manual 1 of 21 Embedded Now ComExpress Carrier Hardware User Manual Revision History Rev 0 20 Date Revision Description 12 01 2014 0 10 Initial Revision 01 20 2015 0 2 Second Revision 2 of 21 Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 Table of Contents Table of Contents 3 Description 4 Abbreviations and Acronyms 5 Block Diagram 6 Functional Description 7 Com Express Interfaces 7 Power and Reset 8 HDMI Video 8 LVDS Video 8 USB 9 Unused Interfaces 11 Power 11 Low Voltage Regulation 11 5V Regulation 11 3 3V Regulation 12 VLCD Regulation 12 Connectors 14 Com Express A B Connector 14 Power Connector J1 14 Reset Connector CN1 15 HDMI Connector J12 16 LVDS Connector 17 Backlight Connector J8 18 USB 2 0 Type A Connector P2 P3 P4 P5 P6 P8 19 USB 3 0 SS Connector P7 20 LEDs 21 Switches and Shunts 21 Shunts 21 3 of 21 Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 1 Description Processor Available as a COMX Type 10 Carrier card only OR with a choice of Congatec MA3 module with 3rd Generation Intel Atom or Celeron Processor Single or Multi Core Processor Variou
8. al General Purpose W ake Up Signal l t 12V VBAT 5V Standby GND Figure 2 Connector A B Overview The next sections will briefly describe the main interfaces supported on the Com Express Carrier Board 7 of 21 Embedded Now ComExpress Carrier Hardware User Manual 4 1 1 Power and Reset Power Button Reset amp GND are provided to the connector A connector on the carrier card provides the PWR_BTN and SYS_RESET inputs to the Com Express Board PWR amp Reset Signals Rev 0 20 PWR BTN N When asserted low wakes up the system from S5 State SYS_RESET_N When asserted low the Com Express module resets and reboots 4 1 2 HDMI Video HDMI is supported 4 1 3 LVDS Video The Com Express A B connector supports up to 2 LVDS video interfaces Signal LVDS_A0 LVDS_AO LVDS_A1 LVDS_A1 LVDS_A2 LVDS_A2 LVDS_A3 LVDS_A3 LVDS_A_CK LVDS_A_CK LVDS_BO LVDS_BO LVDS_B1 LVDS_B1 LVDS_B2 LVDS_B2 LVDS_B3 LVDS_B3 LVDS_B_CK LVDS_B_CK LVDS_VDD_EN LVDS_BKLT_EN LVDS_BKLT_CTRL LVDS_I2C_CK LVDS_I2C_DAT Pin Description O LVDS channel A differential signal pair 0 OLVDS A72 E a O LVDS A74 LVDS channel A differential signal pair 2 O LVDS A76 e OLVDS A79 A81 LVDS channel A differential clock pair O LVDS A82 LVDS channel B differential signal pair 0 OLVDS B72 B73 LVDS channel B differential signal
9. le USB2 jaa USB Port 2 data or D O USB mandatory on Module USB2 A42 USB Port 2 data or D iO USB mandatory on Module USB3 B43 USB Port 3 data or D vO USB mandatory on Module uses er2 USB Pon 3 data zoro rouse mandatory on modue usea aao USB Pona oaa roros vous ___ optonal on woaue usse aso USB Pot oaa z0 fouss _ optena on Modu Uses opel on Med usas 50 US6 Pot5 oata z0 uous opten on Mode uses opinaron Mode usse A36 USB Pots aata zoro uous optional on Modu user BBM US6 Pot 7 data roro rouse optonal on Mode user ess Us6Pot7 data or0 frouss optonal on Modu US5 0 7_00F B44 USB overcurent sense USE pore and 133V CMOS optiona on Modu US6 2 3 008 ate US8 overcurent sense USE pons Zand _ 133VCMOS optonal on Med US8_4 5 068 oporal on Ned US6_6 7_00 A36 U6 overcurent sense USE ports6 and7 133V CWOS optiona on Modu Com Express Signals USB 9 of 21 Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 USB Port Allocation Port Deseription 0 Routed to P7 for USB2 0 compatibility for the USB 3 0 port 1 Routed to P2 and right angle Type A connector 2 Routed to P8 and right angle Type A connector 3 Routed to P3 and right angle Type A connector 4 Routed to P4 and right angle Type A connector 5 Routed to P5 and right angle Type A connector 6 Routed to P6 and right angle Type A connector The power to each connector is enabled using a TPS2042 power
10. pair 1 OLVDS B74 LVDS channel B differential signal pair 2 OLVDS B76 B77 LVDS channel B differential signal pair 3 O LVDS B78 LVDS channel B differential clock pair O LVDS LVDS flat panel power enable O 3 3V CMOS LVDS flat panel backlight enable high active signal O 3 3V CMOS B81 ATT B79 B83 A84 LVDS fiat panel backlight brightness control 0 3 3V CMOS Os DDC 12C clock signal used for flat panel detection O 3 3V CM and control DDC 12C data signal used for flat panel detection I O 3 3V and control OD CMOS Com Express Signals LVDS 8 of 21 Comment Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 The carrier board routes only channel A to a 20 pin header for interface to a monitor via a custom cable All differential pairs are protected from ESD using EMI4182 common mode filter with low capacitance 0 8pf ESD protection High Speed Filter and Transient Protection 4 1 4 USB The Com Express specification supports eight USB ports along with over current detection for each port pair Piconium supports 6 USB 2 0 ports and 1 USB 3 0 port with 2 0 backwards compatibility Signal Pin Description 1 0 Comment USBO A46 USB Port 0 data or D VO USB mandatory on Module USBO A45 USB Port 0 data or D O USB mandatory on Module USB1 B46 USB Port 1 data or D V O USB mandatory on Module USB1 B45 USB Port 1 data or D I O USB mandatory on Modu
11. s speeds 1GB 8GB Ram Specifications Very Low Power 5 7W max 10 28V single power supply via locking industrial grade connector Industrial temp range 40 to 100C Very Small low profile form factor approx 130mm x 55mm LVDS display interface single 24bit channel with LED control 6X USB 2 0 1X USB 3 0 Super Speed 1 HDMI port Wifi b g n via WiFi USB dongle Bluetooth 4 0 via BT USB dongle Accessories available LVDS displays amp cables with touch panel power supply BT amp WiFi dongles Customizations are available for your specific needs Operating System amp Software Designed for the Linux Operating System will work with others Available USB 3 0 Flash Drive Preloaded with Ubuntu 14 04 LTS Desktop LUbuntu Ubuntu Server amp Chromium Embedded Framework CEF for web based software development amp deployment Also available BIOS programming tools boot drive USB 2 0 thumb drive 4 of 21 Embedded Now ComExpress Carrier Hardware User Manual 2 Abbreviations and Acronyms POR Power On Reset BSL BootStrap Loader USB Universal Serial Bus XTAL Crystal PLL Phase Lock Loop ADC Analog to Digital Convertor DAC Digital to Analog Convertor GPIO General Purpose Input Output UART Universal Asynchronous Receiver Transmitter I2C Inter IC Communication SPI Serial Peripheral Interface SRAM Static Random Access Memory LDO
12. switch which is always on The TPS2042 supports two switches and current monitors Below shows the configuration of the TPS2042 for ports 0 and 1 This is duplicated for the other port pairs USB_OC_0_1_N TPS2042 C58 1UF C59 1UF H H USB Power Switch and Current Monitoring The TPS2042 also monitors the current draw on VBUSx and asserts the respective OC output which is an open drain output pulled up and connected to the OC_N inputs to the Com Express module 4 1 4 1 Port 1 Port 1 is connected to a Type A connector and is filter and protected using an EMI4182 device 10 of 21 Embedded Now ComExpress Carrier Hardware User Manual Rev 0 20 OUT_1 IN_i OUT1 IN_1 x 5 OUT_2 IN_2 OUT 2 IN_2 Z GND EMI4182 J TYPEARA USB Port 1 4 1 5 Unused Interfaces The carrier card does not utilize the following ports on the A B connector e Low Pin Count LPC e SPI e SMB e 2C e PCI Express e SATA e Ethernet 5 Power The input power comes from an external 10 28V supply and enters the system at J1 The input voltage is regulated down to 3 3V 5V and V_LCD which can be configured as a 5V or 3 3V output via a shunt Likewise the input voltage is regulated up or down to provide 12V for the LCD display Each supply has an LED associated with it that illuminates when the supply is on Refer to Section 0 5 1 Low Voltage Regulation 5 1 1 5V Regulation To generate the 5V
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