Kontron User's Guide
Contents
1. gt Kontron User s Guide gt X board lt PXA gt Document Revision 1 17 Blades amp Mezzanines CPU Boards Mobile Rugged Custom Solutions Systems G kontron This page intentionally left blank Table of Contents Table of Contents 1 User In EDT 6 1 1 About HO ESPTS rd m 6 1 2 Copyright ono LE 6 1 3 WCRGE CRM 6 1 4 jh E ERREUR EIU D I IET 6 1 5 En RE 6 1 6 Irene efje eer 7 2 INTRODUCTION eme 8 2 1 XsboardQ BerielTts 4 25 5 0 eet ct eves cote rte eoo ae esee a teria aded ede ds 8 2 2 X boardQ DOCUMENTA OM ei eet aee et aecenas eo ee caddie eg eaa a SEELEN AEN ed ege 8 3 SPECIFICATIONS TETTE IO IL TIT TLLLLILLTLTIE 9 3 1 Functional Specifications ciii Leere de de erdege Rhe Say ERR SEN ZENNER ERNEST Kaa 9 3 2 Mechanical Specifications EN 9 SC BE D un Ee EE 9 3 3 Electrical Specifications i riii ree des rote e Feo deg REEF br a e Pear deR ed ee 10 3 3 1 lt TIIUA CCS 10 3 3 2 Supply Voltage Ripple iecit terre rae erae a Rune ee aee n enean NA EEN e ER Te eux Een 10 3 3 3 Supply Gurrenb si eed etes tee E 10 3 4 Environmental Specifications E 10 Lr EE FInPnJcul T n 10 EE TEE 10 4 CPU COMPANION and Bridge CHIPset sscccssecsssccccssccccssccesssccecscccssccsesssccssscseccees 11 4 1 Processor I2. 2 INTRODUCTION 2 1 X board Benefits The X board modules of Kontron Embedded Modules GmbH are very compact 49mm x 68mm x 6mm and highly integrated computers All X board modules have a standardized form factor and a standardized connector DDR SODIMM Memory Connector that carries a specified set of signals This standardization allows designers to create a single system baseboard which can accept a variety of present and future X board modules X board modules include common personal computer PC peripheral functions such as serial ports Ethernet IDE USB etc The baseboard designer can optimize exactly how each of these functions is physically implemented Connectors can be placed precisely where they are needed for the application on a baseboard designed to optimally fit the system configuration and layout Legacy devices are omitted to reach a maximum in compactness and size Peripheral PCI or LPC devices can be implemented directly on the baseboard rather than on mechanically unwieldy expansion cards The ability to build a system on a single baseboard using the computer as one plug in component simplifies packaging eliminates cabling and significantly reduces system level cost A single baseboard design may be used with a range of X board modules This flexibility can be used to differentiate products at various price performance points or to design future proof systems that have a built in up
3. Z3 Keyboard Mouse usage You can either use a USB mouse and keyboard or a PS 2 mouse and keyboard Once a USB mouse or USB keyboard is plugged in PS 2 devices are disabled 7 4 I C Bus The IC bus is also used for JILI JILI d devices therefore there may be additional devices JILI Data EEPROM Backlight DAC reducing the number of available addresses Please refer to the JILI manual to find out which addresses may not be available 7 5 LPC No support of DMA and no memory I 0 Kontron User s Guide X board lt PXA gt 17 C kontron 8 Appendix a block diagram 8 Appendix a block diagram Flash MC Watch Memory MC Interface dog 32 bit RISC 9 Companion lt Chip Processor E ITE IT8152 Intel PXA255 Ethernet Realtek RTL8100BL Peripheral Units GPIO s IDE MMC LCD COM1 AC97 COM2 USB3 Interf Interf Interf TTL Sound TTL Client v v v v v v X board BUS d USB1 USB2 LPC BUS PCI BUS Kontron User s Guide X board lt PXA gt 18 C kontron 9 Appendix B System Resources 9 Appendix B System Resources 9 1 Memory Area Address Range hex note 0000 0000 03FF FFFF CSO 64 MB Flash Bank 0 8 16 32 MB Flash 0400 0000 07FF F
4. a companion chip which interfaces directly to RISC processors and provides a bridge to link host bus and PCI bus It also provides Low Pin Count LPC host controller interrupt controller and a DMA controller PCI Bus Controller Kontron User s Guide X board lt PXA gt 11 C kontron 4 CPU COMPANION and Bridge CHIPset 32 bit data bus interface Supports PCI rev 2 1 specification 33 MHz bus operation gt Low Pin Count LPC Host Controller Compliant with Intel LPC Interface Specification Rev 1 0 Supports I 0 Read 1 0 Write cycles Supports SYNC Time out abort report Supports Error report No support of DMA and no memory I 0 gt USB Host Controller Supports two USB ports Fully compatible with USB specification version 1 1 Register compatible with OHCI specification version 1 0 Kontron User s Guide X board lt PXA gt 12 C kontron 5 System and flash memory 5 System and flash memory 5 1 SDRAM The X board lt PXA gt uses onboard Synchronous Dynamic Random Access Memory SDRAM sizes of 16 32 or 64MB 5 2 Flash The X board lt PXA gt is optionally equipped with 8 16 or 32MB Flash memory Kontron User s Guide X board lt PXA gt 13 C kontron 6 Interfaces 6 Interfaces 6 1 PCI Bus The implementation of this subsystem complies with the X board Specification Implementation information is provided in the X board Design Guide Refer to the documentation for additional
5. information 6 2 LPC Bus The implementation of this subsystem complies with the X board Specification Implementation information is provided in the X board Design Guide Refer to the documentation for additional information Note Ifthe LPC interface is not used on the customer s Backplane the Signals LAD 0 3 and LDRQ have to be connected together and pulled up to 3 3V with an 15kQ resistor 6 3 IDE Port PIO Mode The implementation of this subsystem complies only in PIO Mode with the X board Specification Implementation information is provided in the X board Design Guide Refer to those documents for additional information 6 4 Serial ATA Signals Serial ATA is not supported on the X board lt PXA gt 6 5 Serial Ports COM1 and COM2 The implementation of the serial communication interface is restricted COM1 supports all UART signals RXD TXD DTR CTS RTS DCD RI DSR COM2 includes RXD TXD RTS and CTS Implementation information is provided in the X board Design Guide Refer to the documentation for additional information Configuration The serial communication interfaces are Intel XScale PXA255 internal devices The COM1 port is hardwired to the PXA255 FFUART the COM2 port to the PXA255 BTUART 6 6 USB Two OHCI type USB host controllers and one device controller are supported on the X board lt PXA gt module The USB controllers comply with Version 1 1 of the USB standard The implementat
6. signals Intelligent Drive Electronics IDE Programmed Input Output PIO mode supported Universal Serial Bus USB Three USB 1 1 ports two host and one device Peripheral Component Interconnect Bus PCI Version 2 1 compliant Low Pin Count Bus LPC Version 1 0 compliant Onboard Ethernet Realtek RTL8100BL PCI single chip 10BASE T 100BASE T LAN Fast Ethernet NIC controller Onboard TFT and STN display driver integrated in Intel XScale PXA255 Resolution up to 800x600 pixels recommended maximum of 640x480 64k color 256 Gray scale levels Audio Integrated AC 97 Interface on Intel XScale PXA255 AC 97 Rev 2 0 Interface to connect an AC 97 codec MMC Interface Several GPIO s Watchdog timer WDT This feature is not available on lt PXA gt modules up to PRev X2 JTAG interface for easy debugging Mechanical Specifications Dimensions gt 49 0 mm x 68 0 mm Kontron User s Guide X board lt PXA gt 9 C kontron 3 Specifications Height approx 6 mm 3 3 Electrical Specifications 3 3 1 Supply Voltage gt 3 3V DC 5 3 3 2 Supply Voltage Ripple gt 100 mV peak to peak 0 20 MHz 3 3 3 Supply Current gt 420 mA It was measured with a board with 64 MB RAM connected in a backplane without additional power consuming components 3 4 Environmental Specifications 3 4 1 Temperature gt Operating 0 to 70 C gt Non operating 10 to 85 C Note The maximum operating tempera
7. 0 146 GND P 147 AD 18 1 0 148 IDE INTRQ m 149 AD 19 1 0 150 IDE AK amp 1 0 151 AD 20 1 0 152 IDE RDY 1 0 153 AD 21 1 0 154 IDE IOR 1 0 155 AD 22 1 0 156 IDE IOW 1 0 157 AD 23 1 0 158 IDE DRQ 1 0 159 C BE 3 1 0 160 GND P 161 AD 24 10 162 IDE DO 1 0 163 AD 25 1 0 164 IDE D1 1 0 165 AD 26 1 0 166 IDE D2 1 0 167 AD 27 1 0 168 IDE D3 1 0 169 AD 28 1 0 170 IDE D4 1 0 171 AD 29 1 0 172 V33 P 173 AD 30 1 0 174 IDE D5 1 0 175 GPIO 3 1 0 176 IDE D6 1 0 177 AD 31 1 0 178 IDE D7 1 0 179 REQ1 amp I 180 IDE D8 1 0 181 GNT1 I 182 IDE_D9 1 0 183 REQO Is 184 IDE_D10 1 0 185 GNTO I 186 GND P 187 RST 0 188 IDE D11 1 0 189 CLK1 0 190 IDE D12 1 0 191 GPIO 5 1 0 192 IDE D13 1 0 193 GPIO 6 1 0 194 IDE D14 1 0 195 GPIO 7 1 0 196 IDE D15 1 0 197 INTA E 198 HDRST 0 199 INTB uU 200 GND P Note Ifthe LPC interface is not used on the customer s Backplane the Signals LAD 0 3 and LDRQ have to be connected together and pulled up to 3 3V with an 15kQ resistor don t use BATTLOW to monitor RTC battery I1 Input TTL compatible Kontron User s Guide X board lt PXA gt 27 C kontron 11 Appendix d X board connector pinouts I Input low active with open collector button I Input TTL compatible with Schmitt Trigger Internally pulled up 10kQ I Input TTL compatible Internally pulled up 10kQ I Input TTL compatible Internally pulled down 4 7kQ Ig Input
8. FFF CS1 64 MB N U 0800 0000 OBFF FFFF CS2 64 MB N U 0C00 0000 OFFF FFFF CS3 64 MB CPLD 1000 0000 13FF FFFF CS4 64 MB ITE8152 companion PCI memory regs IOs 1400 0000 17FF FFFF CS5 64 MB ITE8152 companion PCI memory space 1800 0000 1BFF FFFF 64 MB RESERVED 1C00 0000 1FFF FFFF 64 MB RESERVED 2000 0000 2FFF FFFF 256 MB N U 3000 0000 3FFF FFFF 256 MB N U 4000 0000 43FF FFFF 64 MB EE Registers peripherals 4400 0000 47FF FFFF 64 MB MM Registers LCD 4800 0000 4BFF FFFF 64 MB MM Registers Memory Ctrl 4C00 0000 4FFF FFFF 64 MB RESERVED 5000 0000 5FFF FFFF 256 MB RESERVED 6000 0000 6FFF FFFF 256 MB RESERVED 7000 0000 7FFF FFFF 256 MB RESERVED 8000 0000 8FFF FFFF 256 MB RESERVED 9000 0000 9FFF FFFF 256 MB RESERVED A000 0000 A3FF FFFF 64 MB SDRAM partition 0 nSDCS O A400 0000 A7FF FFFF 64 MB N U A800 0000 ABFF FFFF 64 MB N U ACOO 0000 AFFF FFFF 64 MB N U B000 0000 BFFF FFFF 256 MB RESERVED C000 0000 CFFF FFFF 256 MB RESERVED D000 0000 DFFF FFFF 256 MB RESERVED E000 0000 EFFF FFFF 256 MB RESERVED 9 2 Peripheral Component Interconnect PCI Devices PCI Device PCIInterrupt Comment Ethernet INTC Use REQ2 GNT2 pair You can use only REQO GNTO and REQ1 GNT1 pairs for external PCI devices In the X board Design Guide you find additional information about how to expand these pairs by using certain devices on the backplane Only INTA and INTB are externally available The ITE IT8152
9. G companion chip maps all PCI interrupts to a single interrupt request line This interrupt line is connected the GPIO 0 input of the Intel XScale PXA255 interrupt controller Kontron User s Guide X board lt PXA gt 19 C kontron 10 Appendix C Bootloader 10 Appendix C Bootloader 10 1 Boot Loader The boot loader is the low level code that configures the X board lt PXA gt and loads the Windows CE NEI 4 2 image or any other operating system image These images can be loaded from the Onboard Flash Compact Flash or downloaded from Windows CE Platform Builder over an Ethernet connection The boot loader code resides in Platform xscxbd eboot under the Windows CE NET 4 2 root directory and the boot loader image eboot nb0 will be located in the same directory as your Windows CE Image nk bin image The boot loader image executes out of flash and the eboot nbO file is flashed into this ROM through a JTAG flash tool If it is necessary to modify the boot loader it is automatically built whenever a new Windows CE image is created Please keep in mind that only a release version of the boot loader created during a release Windows CE image build should be flashed Note Never attempt to change the boot loader unless you have a working JTAG programmer and cable If there s a problem with the boot loader code you will no longer be able to download new code and JTAG is the only means to revive the board 10 2 Boot Menu During the boot proc
10. Kontron User s Guide X board lt PXA gt 24 C kontron 10 Appendix C Bootloader gt From the Available Devices list select the name of the X board lt PXA gt and then choose OK gt From the Kernel Transport box choose Ethernet gt Choose the Settings tab You have now configured the services that allow you to connect to the target You are now ready to establish a connection and download the OS image gt From the Target menu choose Download Initialize gt In the KITL Security Warning dialog box choose Yes if you want the target device to have remote access to the file system on the development workstation If the X board lt PXA gt no longer sends the BOOTME messages you may have to reboot the board because the OS image does not download until it receives a BOOTME message and the X board lt PXA gt sends BOOTME messages for only a short period of time gt Wait until the OS image downloads to the X board lt PXA gt While the OS image downloads a dialog box in the IDE displays the progress of the download After the OS image successfully downloads and the OS boots the desktop for the Windows CE OS appears on the display 10 5 Downloading an Image from Platform Builder to Onboard Flash Before downloading an image make sure that you have the proper network setup such as IP DHCP and a subnet mask for the target platform You need to create a Windows CE Image specifically for Flash gt In Platform Builder on th
11. O 48 HWTXD Hardware UART Transmit Data BUZZER GPIO 3 92 GPIO Reset GPIO 1 Notes Default configuration is GPIO functionality Please check the Intel PXA255 Developers Manual for using the alternate function of these pins GPIO 8 configurable by R404 and R405 Kontron User s Guide X board lt PXA gt 28 C kontron 11 Appendix d X board connector pinouts Configuration GPIO 8 on pin 10 J1 Xboard connector GPIO 5 from PXA not used used used default not used GPIO 49 from PXA HWRXD GPIO 49 or alternative use HWRXD is available when IDE interface of the X board lt PXA gt is not used otherwise it is not available 11 2 LCD Panel Pinout Table Passive Single Passive Single Passive Dual Pinno RGB Active Panel Panel Passive Color Passive Color X board Panel Monochrome Monochrome ids Single Panel Dual Panel x Monochrome Double Pixel 60 B1 D3 D7 DU 3 DO DU 0 58 B2 D2 D6 DU 2 D1 DU_1 56 B3 D1 D5 DU_1 D2 DU_2 54 B4 DO D4 DU_O D3 DU_3 52 B5 D3 DL_3 D4 DU_4 48 GO D2 DL_2 D5 DU_5 46 G1 D1 DL_1 D6 DU_6 44 G2 DO DL_O D7 DU_7 42 G3 DL_O 40 G4 DL_1 38 G5 DL_2 34 RO 32 R1 DL_3 30 R2 DL_4 28 R3 DL_5 26 R4 DL_6 24 R5 DL_7 72 SCLK Pixel_Clock Pixel_Clock Pixel_Clock Pixel_Clock Pixel_Clock 66 HSYNC Line_Clock Line_Clock Line_Clock Line_Clock Line_Clock 68 V
12. SYNC Frame_Clock Frame_Clock Frame_Clock Frame_Clock Frame_Clock 70 DE BIAS BIAS BIAS BIAS BIAS Note BOand RO are not supported by the PXA and therefore should to be connected to ground Kontron User s Guide X board lt PXA gt 29 G kontron 11 Appendix d X board connector pinouts 11 3 JTAG Interface The JTAG connector J2 is not mounted by default on the X board lt PXA gt For debug purposes a dual Pin row connector can be mounted on the module 5 F JTAG Device 2 EAHA ETE ze2 eso H EIE E JL ug JTAG Device 1 11 3 1 Specification and Pinout of the JTAG connector 4x 2 pins 1 27mm 0 050in pitch SMD For Example SAMTEC FTSH 104 02 L DH 1 TRST Test Interface Reset 2 VCC Power Supply 3 TDO Test Data Input 4 SRST System Reset 5 TMS Test Mode Select 6 TDI Test Data Output 7 TCK Test Clock 8 GND Ground Kontron User s Guide X board lt PXA gt 30 C kontron 11 3 2 JTAG Chain 11 Appendix d X board connector pinouts CH Devic 1 PXA255 U9 5 2 1781526 U10 4 3 CPLD U5 Internal use 2 Kontron User s Guide X board lt PXA gt 31 G kontron 12 Appendix E JIDA STANDARD 12 Appendix E JIDA STANDARD 12 1 JIDA Information To obtain information about boards that follow the JIDA standard refer to the JIDA32 Library API manual in the jidai114 zip folder which is available from the Kontron E
13. TS2 04 64 GND P 65 TXD2 04 66 HSYNC 0 67 CTS2 Lh 68 VSYNC 04 69 V33 P 70 DE 0 71 GPIO 1 I 0 72 SCLK Dec 73 GND P 74 GND P 75 MMC CMD 1 0 76 BIASON 1 0 77 MMC_DAT 1 0 78 DIGON 0 79 MMC_CLK 1 0 80 V33 P 81 GPIO 2 1 0 82 V33 Standby P 83 GND P 84 Power Button I 85 AD 00 1 0 86 Resume Reset 04 87 AD 01 1 0 88 GPIO 4 I 0 89 AD 02 1 0 90 BATTLOW L 91 AD 03 1 0 92 GPIO Reset 1 0 93 AD 04 1 0 94 PS_ON 0 95 AD 05 1 0 96 GPIO 9 1 0 97 AD 06 1 0 98 GND P 99 AD 07 1 0 100 LAD 3 1 0 101 AD 08 1 0 102 LAD 2 1 0 103 C BE 0 Z 1 0 104 LAD 1 1 0 105 AD 09 1 0 106 LAD O I 0 Kontron User s Guide X board lt PXA gt 26 C kontron 11 Appendix d X board connector pinouts 107 AD 10 1 0 108 LDRQ L 109 AD 11 1 0 110 LFRAME 0 111 AD 12 1 0 112 LPCPD 0 113 AD 13 1 0 114 SERIRQ 1 0 115 AD 14 1 0 116 V33 P 117 C BE 1 1 0 118 USB 3 USB Client uss 119 AD 15 1 0 120 USB 3 USB Client Diss 121 LOCK 1 0 122 V33 P 123 PERR 1 0 124 DC CLK 1 0 125 DEVSEL 1 0 126 GC DAT 1 0 127 SERR 1 0 128 GND P 129 STOP 1 0 130 IDE_DASP 1 0 131 CLKRUN z 132 IDE_PDIAG 1 0 133 TRDY 1 0 134 V33 P 135 IRDY 1 0 136 IDE CS3 1 0 137 FRAME 1 0 138 IDE CS14 1 0 139 AD 16 1 0 140 IDE_A2 1 0 141 C BE 2 1 0 142 IDE AO 1 0 143 AD 17 1 0 144 IDE A1 1 0 145 PAR 1
14. TTL compatible Internally pulled up 2 7KQ 0 Output 3 3V 3 14V 3 46V source 2mA sink 5mA 0 Output differential pair 03 Output open collector 5V tolerant 0 Output Do not pull up or down externally Ouse Output Internally pulled down 15kQ 1 0 Input Output 1 0 Input Output Internally pulled up 2 7kQ 1 02 Input Output Internally pulled up 10kQ P Power Input gt gt gt gt gt gt gt gt gt gt gt gt gt gt 11 1 General purpose I 0 s GPIO s Pin no GPIO in GPIO Signal used from Ml ES X board X board Spec PXA255 71 GPIO 1 GPIO 8 MMCCSO MMC Chip Select 0 81 GPIO 2 GPIO 9 MMCCS1 MMC Chip Select 1 175 GPIO 3 GPIO 81 NSSPCLK Synchronous Serial Port Clock 88 GPIO 4 GPIO 12 32kHz 32 kHz Clock MMC card detect 191 GPIO 5 GPIO 83 NSSPTXD Synchronous Serial Port Transmit Data 193 GPIO 6 GPIO 84 NSSPRXD Synchronous Serial Port Receive Data 195 GPIO 7 GPIO 82 NSSPFRM Synchronous Serial Port Frame E Internal Use M BITES GPO TE Toe SUDO Hardware UART Receive Data GPIO 49 HWRXD 96 GPIO 9 GPIO 2 18 GPIO 10 GPIO 46 IRRXD IrDA Receive Data Standard UART Receive Data 20 GPIO 11 GPIO 47 IRTXD IrDA Transmit Data Standard UART Transmit Data 12 GPIO 12 GPIO 50 HWCTS Hardware UART Clear To Send 14 GPIO 13 GPIO 51 HWRTS Hardware UART Request To Send 6 GPIO 14 GPI
15. becdbegsbesaconetecedoauveseledetassousieendesuseounconseseseasseeseenss 33 13 1 1 Low Pin Count Bus LP i ici i iecore RONN e dee e PESE a eR E RR EN NER CAN 33 13 2 ISA Standard PS 2 LORupelOFs iq oascesea sese tas vada dbi SS AAT PRSE ERU FM SAUNEER TEARS A aia 33 13 13 LS AU DD P EiS ESEE ES 33 13 2 General PCArchitectUra geegent 33 1353 POPES ET 34 13 3 1 EE 34 13 3 2 Seniat EE 34 E OC OT E 34 13 4 Programming oce eee raa eo eo creena aN EENET E dee one eiae de EEN 35 APPENDIX G DOCUMENT REVISION HISTORY eese ee ee ee eene nenne nenne ttes ese essa nnno nouo 36 Kontron User s Guide X board PXA v Cs kontron 1 User Information 1 User Information 1 1 About This Document This document provides information about products from Kontron Embedded Modules GmbH and or its subsidiaries No warranty of suitability purpose or fitness is implied While every attempt has been made to ensure that the information in this document is accurate the information contained within is supplied as is and is subject to change without notice For the circuits descriptions and tables indicated Kontron assumes no responsibility as far as patents or other rights of third parties are concerned 1 2 Copyright Notice Copyright 2003 2007 Kontron Embedded Modules GmbH All rights reserved No part of this document may be reproduced transmitted transcribed stored in a retrieval system or trans
16. der 0 IP address 1 Subnet mask 2 DHCP Option 2 allows you toggle between a fixed IP address and subnet mask and one provided by a DHCP server within your network DHCP is enabled by default If DHCP is disabled then options 0 and 1 allow you to assign fixed address Enter your selection O0 Enter new IP address 89 0 0 40 Enter your selection 1 Enter new subnet mask 255 255 255 0 lt 5 gt Download image via CF Card Option 5 loads the image from a Compact Flash Card See below for details 7 Download image via RTL8139 PCI Ethernet Option 7 downloads the image from Platform Builder through the onboard Ethernet chip See below for details t Download image via RTL8139 BOOTP TFTP Option t downloads the image from a BOOTP TFTP server through the onboard Ethernet chip This option offers the possibility to obtain a kernal image from a remote server This is the most common way to setup a Linux environment Please contact Kontron Embedded Modules Technical Support for more information lt u gt Use Debug Ethernet Option lt u gt toggles between enabling and disabling Debug Ethernet If Debug Ethernet is disabled the onboard Ethernet chip can be used with the Standard Windows CE NDIS RTL8139 Ethernet driver Ethernet Kernel Debugging Messaging and CESH is then unavailable If Debug Ethernet is enabled then the onboard Ethernet chip can be used with Platform Builder Ether
17. e development workstation from the Platform menu choose Settings Select the Build Options Tab Check Enable Image for Flash Choose OK and Rebuild the Image Then follow the same steps as in section 10 4 Downloading an Image from Platform Builder After the download the image will be flashed Yo WV ON ON gt Reboot the target after the flashing is complete Kontron User s Guide X board lt PXA gt 25 C kontron 11 Appendix d X board connector pinouts 11 Appendix d X board connector pinouts 1 BUZZER 04 2 PWRGOOD IN L 3 N C 4 V BATT I 5 Codec SDATA OUT 04 6 GPIO 14 I 0 7 Codec SDATA IN Lh 8 GND P 9 Codec BIT CLK li 10 GPIO 8 I 0 11 Codec SYNC 04 12 GPIO 12 I 0 13 Codec RESET Z 04 14 GPIO 13 I 0 15 GND P 16 GND P 17 Lan TX 02 18 GPIO 10 I 0 19 Lan TX 02 20 GPIO 11 1 0 21 Lan RX 02 22 V33 P 23 Lan RX 02 24 R5 04 25 Lan LNLED 03 26 R4 0 27 Lan LNKLED 03 28 R3 04 29 V33 P 30 R2 0 31 USB 1 Ouse 32 R1 0 33 USB 1 OusB 34 RO 0 35 Overcurrent Is 36 GND P 37 USB 2 OusgB 38 G5 0 39 USB 2 Ouss 40 G4 0 41 GND P 42 G3 0 43 DCD1 Lh 44 G2 0 45 DSR1 Lh 46 G1 04 47 RXD1 Lh 48 GO 0 49 RTS1 0 50 V33 P 51 TXD1 04 52 B5 0 53 CTS1 Lh 54 B4 0 55 DTR1 0 56 B3 0 57 RI1 Lh 58 B2 0 59 V33 P 60 Bi 0 61 RXD2 Lh 62 BO 0 63 R
18. ed as menu selections when no real key is pressed during the menu delay period For example you might set this string to u7 to automatically enable Ethernet Debugging and then immediately download the image through Ethernet Set it to 5 to always boot from CF lt s gt Save Configuration Option s saves the changes made to options 0 1 2 d and a to EEPROM 10 3 Booting from a Compact Flash To load a Windows CE net v4 2 image from Compact Flash you copy the nk bin file to the Compact Flash card NOTE The Compact Flash card must be formatted for a FAT16 file system and the root partition must be made active Select option 5 from the boot menu to load the image 10 4 Downloading an Image from Platform Builder Before downloading a Windows CE image make sure that you have the proper network setup such as DHCP IP and a subnet mask for the target platform gt On the development workstation from the Target menu choose Configure Remote Connection Kontron User s Guide X board lt PXA gt 23 C kontron 10 Appendix C Bootloader gt Choose the Services tab gt From the Download box under Services for active named connection choose Ethernet gt Choose Configure gt Power on the X board lt PXA gt and select option 7 from the boot menu After the X board lt PXA gt displays the Sent BOOTME messages the device identification name of X board lt PXA gt highlighted in the screen shot below should auto
19. ess the boot loader displays status information and a boot menu over the COM1 serial port You can view this information and select menu items from a Windows host using the Microsoft HyperTerminal terminal emulation application Use a null modem cable to connect the COM1 port of the X board lt PXA gt to your development workstation This is the bottom connector on the Kontron X board Eval Backplane To configure HyperTerminal gt From the Windows Start menu choose All Programs and then choose Accessories gt Choose Communications and then choose HyperTerminal gt In the Connection Description dialog box in the Name box type a name for the connection to your X board lt PXA gt From the Icon list choose an icon to represent your connection and then choose OK In the Connect To dialog box in the Connect using box choose the communications COM port on the development workstation through which you want to receive messages from the X board lt PXA gt The COM port that you choose must be the COM port on the development workstation to which you attached the null modem cable gt Choose OK gt In the COM lt Port Number gt Properties dialog box modify the settings for your connection so that the settings are correct for your BSP Kontron User s Guide X board lt PXA gt 20 C kontron 10 Appendix C Bootloader The following table shows the correct settings Bits per second Data bits Stop bits Flow co
20. formation about PC 104 and PC 104 Plus technology You can search for information about the consortium on the Web gt PCI SIG The PCI SIG provides a forum for its 900 member companies who develop PCI products based on the specifications that are created by the PCI SIG You can search for information about the SIG on the Web gt PCI amp PCI X Hardware and Software Architecture amp Design Fifth Edition Edward Solari and George Willse Annabooks 2001 ISBN 0 929392 63 9 gt PCI System Architecture Tom Shanley and Don Anderson Addison Wesley 2000 ISBN 0 201 30974 2 13 2 General PC Architecture gt Embedded PCs Markt amp Technik GmbH ISBN 3 8272 5314 4 German gt Hardware Bible Winn L Rosch SAMS 1997 0 672 30954 8 Kontron User s Guide X board lt PXA gt 33 C kontron 13 3 13 3 1 13 3 2 13 3 3 Ports 13 Appendix F PC Architecture Information Interfacing to the IBM Personal Computer Second Edition Lewis C Eggebrecht SAMS 1990 ISBN 0 672 22722 3 The Indispensable PC Hardware Book Hans Peter Messmer Addison Wesley 1994 ISBN 0 201 62424 9 The PC Handbook For Engineers Programmers and Other Serious PC Users Sixth Edition John P Choisser and John 0 Foster Annabooks 1997 ISBN 0 929392 36 1 RS 232 Serial gt EIA 232 E standard The EIA 232 E standard specifies the interface between for example a modem and a computer so that they can exchange data The computer can then se
21. grade path The modularity of an X board solution also insures against obsolescence as computer technology continues to evolve A properly designed X board baseboard can be used with several successive generations of X board modules An X board baseboard design thus has many of the advantages of a custom computer board design but delivers better obsolescence protection greatly reduced engineering effort and faster time to market 2 2 X board Documentation This manualis intended as one of three principal references for an X board design gt The X board specification defines the X board module form factor pinout and signals It is suggested that this be read first gt The design guide is intended as a general guide for baseboard design with a focus on maximum flexibility in order to accommodate a wide range of X board modules gt Finally the technical manuals for specific X board modules document the specifications and features of each individual X board module Kontron User s Guide X board lt PXA gt 8 C kontron 3 1 Note 3 2 3 2 1 3 Specifications Specifications Functional Specifications VV VV VY Y Y Processor Intel XScale PXA255 Bus 100MHz bus clock Cache 32KB integrated instruction and data cache Companion and Bridge Chipset ITE IT8152G Onboard SDRAM with 16 32 64MB and Flash Memory with 8 16 32MB Two Serial Ports COM1 and COM2 Transistor to transistor TTL
22. hitecture Information 13 4 Programming gt C Programmer s Guide to Serial Communications Second Edition Joe Campbell SAMS 1987 ISBN 0 672 22584 0 Programmer s Guide to the EGA VGA and Super VGA Cards Third Edition Richard Ferraro Addison Wesley 1990 ISBN 0 201 57025 4 The Programmer s PC Sourcebook Second Edition Thom Hogan Microsoft Press 1991 ISBN 1 55615 321 X Undocumented PC A Programmer s Guide to 1 0 CPUs and Fixed Memory Areas Frank van Gilluwe Second Edition Addison Wesley 1997 ISBN 0 201 47950 8 Kontron User s Guide X board lt PXA gt 35 C kontron 14 APPENDIX G DOCUMENT REVISION HISTORY 14 APPENDIX G DOCUMENT REVISION HISTORY Edited by Alteration to preceding revision XBD3M001 doc 04 12 03 C Hoch Initial Preliminary Release Added boat loader watchdog configuration and LCD panel XBD3M002 doc 17 12 03 D Gunter DEE Added web site link to Technical Support section Added notes about Watchdog and RTC limitations EE EE SEH Changed first listing of PIN 6 in General Purpose I Os table to PIN 175 XBD3M110 doc EE C Hoch Added IUE Interface deleted RTC feature changed environmental Spec updated Bootloader XBD3M111 doc 08 07 04 D Gunter Removed Battery information from section 6 Added information to section 10 2 about obtaining a XBD3M112 doc 06 08 04 D Gunter kernal image for a remote server Updated tables in sections 11 1 and 11 2 07 07 05 Changed LCD Data Pin P
23. ion of this subsystem complies with the X board Specification Implementation information is provided in the X board Design Guide Refer to those documents for additional information Kontron User s Guide X board lt PXA gt 14 C kontron 6 Interfaces Configuration The USB controllers are PCI bus devices The used operating system allocates required system resources during configuration of the PCI bus 6 7 Ethernet The Realtek RTL8100BL PCI is a cost effective 10BASE T 100BASE TX LAN solution It is designed for low power use and high performance processes It is a 3 3V device with 5V tolerance and supports 3 3V and 5V signaling Configuration The Ethernet interface is a PCI device The operating system will automatically configure this controller Note The Ethernet interface works according to the common criteria of the embedded technology market segment 6 8 AC 97 Codec Interface The sound function on the X board lt PXA gt board comes from the AC 97 interface of the Intel XScale PXA255 An external Codec must be connected on the baseboard to use the audio functions Please look at the implementation information provided in the X board Design Guide Configuration The audio controller is an internal interface of Intel XScale PXA255 The operating system will allocate required system resources during startup 6 9 VGA Output The PXA255 includes the display subsystem The LCD Controller supports both passi
24. ixel Ordering for STN XBD3M113 doc U Geisler Monochrome Panels X board connector PIN 3 AC97 clock is not connected Added Ethernet limitation XBD3M114 DOC 24 10 05 U Geisler Corrected features of ITE8152G Released for WEB Corrected JTAG pin description TDO TDI Added J2 detailed pin overview Meee DOC ios Reworked GPIO 8 description Removed RTC restriction added V BATT descr XBD3M116 DOC 01 12 2006 CMO Added disclaimer and correct X board trademark XBD3M117 DOC 03 07 2007 U Geisler Updated to current Kontron Layout Kontron User s Guide X board lt PXA gt 36 C kontron
25. lated into any language or computer language in any form or by any means electronic mechanical photocopying recording or otherwise without the express written permission of Kontron Embedded Modules GmbH DIMM PC PISA ETX ETXexpress microETXexpress X board DIMM I0 and DIMM BUS are trademarks or registered trademarks of Kontron Embedded Modules GmbH Kontron is trademark or registered trademark of Kontron AG 1 3 Trademarks The following lists the trademarks of components used in this board gt IBM XT AT PS 2 and Personal System 2 are trademarks of International Business Machines Corp gt Microsoft is a registered trademark of Microsoft Corp Y Intel is a registered trademark of Intel Corp gt All other products and trademarks mentioned in this manual are trademarks of their respective owners 1 4 Standards Kontron Embedded Modules GmbH is certified to ISO 9000 standards 1 5 Warranty This Kontron Embedded Modules GmbH product is warranted against defects in material and workmanship for the warranty period from the date of shipment During the warranty period Kontron Embedded Modules GmbH will at its discretion decide to repair or replace defective products Within the warranty period the repair of products is free of charge as long as warranty conditions are observed Kontron User s Guide X board lt PXA gt 6 C kontron 1 User Information The warranty does not apply to defects resu
26. lting from improper or inadequate maintenance or handling by the buyer unauthorized modification or misuse operation outside of the product s environmental specifications or improper installation or maintenance Kontron Embedded Modules GmbH will not be responsible for any defects or damages to other products not supplied by Kontron Embedded Modules GmbH that are caused by a faulty Kontron Embedded Modules GmbH product 1 6 Technical Support Technicians and engineers from Kontron Embedded Modules GmbH and or its subsidiaries are available for technical support We are committed to making our product easy to use and will help you use our products in your systems Before contacting Kontron Embedded Modules GmbH technical support please consult our Web site at http www kontron emea com emd for the latest product documentation utilities and drivers If the information does not help solve the problem contact us by telephone or email Kontron Asia Inc Kontron Embedded Modules GmbH Kontron America SS reas SAS Brunnwiesenstr 16 14118 Stowe Drive SE x 94469 Deggendorf Germany Poway CA 92064 7147 Taipei 114 Taiwan Tel 886 2 2799 2789 Tel 49 0 991 37024 0 Tel 1 888 294 4558 Fax 886 2 2799 7399 Fax 49 0 991 37024 333 Fax 1 858 677 0898 mailto sales kontron com tw mailto sales kem kontron com mailto sales us kontron com Kontron User s Guide X board lt PXA gt 7 C kontron 2 INTRODUCTION
27. matically appear in the Available Devices list of the Platform Builder Configure Ethernet Download Dialog Note Ifthe name of the X board lt PXA gt does not appear in the Available Devices list reboot the X board lt PXA gt If the name of the X board lt PXA gt still does not appear verify that you made the correct changes Enter your selection 7 FlashVPPUp done EraseRegFlash done FlashVPPDown done goto DOWNLOAD InitSpecifiedEthDevice EthDevice 6 RTL8139 PCI card found device 19 function 0 Ethernet Physical Base 13E12000 RTL8139InitDMABuffer enter RTL8139InitDMABuffer exit RTL8139Init exit RTL8139 Ethernet controller initialized ISRTL8139PCICard TRUE Ethernet Virtual Base BBE12000 RTL8139Init enter RTL8139Init ioaddr OxBBE12000 RTL8139CheckRam enter RTL8139CheckRam exit RTL8139Init MAC 00 12 34 43 21 00 44 Connection status 10Mbps half duplex Device identification XSC1BD8448 InitDHCP Calling ProcessDHCP ProcessDHCP DHCP INIT Waiting for DHCP assignment ProcessDHCP DHCP IP Address Resolved as 89 0 0 40 255299429540 Lease time 180000 seconds netmask Boot loop Sent BOOTME to 255 255 255 255 Boot loop Sent BOOTME to 255 255 255 255 Boot loop Sent BOOTME to 255 255 255 255 Boot loop Sent BOOTME to 255 255 255 255
28. mbedded Modules Web site for further information on implementing and using JIDA calls with C sample code The library itself is included in the BSP for the X board lt PXA gt Note The X board lt PXA gt only supports the JIDA32 Library API functions The 16 bit legacy JIDA INT15 interface is tied to the x86 architecture and is NOT available on this board Kontron User s Guide X board lt PXA gt 32 C kontron 13 Appendix F PC Architecture Information 13 Appendix F PC Architecture Information The following sources of information can help you better understand PC architecture 13 1 Buses 13 1 1 Low Pin Count Bus LPC gt Low Pin Count Bus Specification Aug 2002 Intel 13 1 2 ISA Standard PS 2 Connectors gt AT Bus Design Eight and Sixteen Bit ISA E ISA and EISA Design Edward Solari Annabooks 1990 ISBN 0 929392 08 6 gt AT IBM Technical Reference Vol 1 amp 2 1985 ISA amp EISA Theory and Operation Edward Solari Annabooks 1992 ISBN 0929392159 gt ISA Bus Specifications and Application Notes Jan 30 1990 Intel gt ISA System Architecture Third Edition Tom Shanley and Don Anderson Addison Wesley Publishing Company 1995 ISBN 0 201 40996 8 gt Personal Computer Bus Standard P996 Draft D2 00 Jan 18 1990 IEEE Inc gt Technical Reference Guide Extended Industry Standard Architecture Expansion Bus Compag 1989 13 1 3 PCI 104 gt Embedded PC 104 Consortium The consortium provides in
29. nd data to the modem which then sends the data over a telephone line The data that the modem receives from the telephone line can then be sent to the computer You can search for information aboutthe standard on the Web RS 232 Made Easy Connecting Computers Printers Terminals and Modems Martin D Seyer Prentice Hall 1991 ISBN 0 13 749854 3 National Semiconductor The Interface Data Book includes application notes Type 232 as a search criteria to obtain a list of application notes You can search for information about the data book on National Semiconductor s Web site Serial ATA USB Serial AT Attachment ATA Working Group This X3T10 standard defines an integrated bus interface between disk drives and host processors It provides a common point of attachment for systems manufacturers and the system You can search for information about the working group on the Web We recommend you also search the Web for information on 4 2 I 0 cable if you use hard disks in a DMA3 or PIO4 mode USB Specification USB Implementers Forum Inc is a non profit corporation founded by the group of companies that developed the Universal Serial Bus specification The USB IF was formed to provide a support organization and forum for the advancement and adoption of Universal Serial Bus technology You can search for information about the standard on the Web Kontron User s Guide X board lt PXA gt 34 C kontron 13 Appendix F PC Arc
30. net Kernel Debugging Messaging and CESH The Windows CE image MUST NOT include the RTL8139 Ethernet driver You can still access the network through the VMINI NDIS to Debug Ethernet Bridge Driver This driver is included by default in the Windows CE Image Kontron User s Guide X board lt PXA gt 22 C kontron 10 Appendix C Bootloader lt p gt PCI Menu Option lt p gt allows you to enter the PCI debug menu In this menu you can find useful tools like ListPCIDevices or ReadPCICnfg Read PCI Configuration Table to debug the PCI devices on the backplane lt e gt Erase Flash Menu Option lt e gt allows you to delete the content ora part of it from the onboard Flash After you enter this menu you have the following possibilities lt o gt Erase OS image amp registry from Flash lt r gt Erase CE registry from Flash lt p gt Erase CE registry amp prevent registry saves until next OS image update lt d gt Menu Delay Option d allows you to set the time period in seconds that the X board lt PXA gt will wait for the space key to be pressed to enter the boot configuration menu The default is 5 seconds If no key is pressed within that time the X board lt PXA gt processes the menu auto select string or boots from flash if no such string has been assigned lt a gt Menu Auto Select Option lt a gt allows you to specify a menu auto select string This is a series of key strokes that is automatically process
31. ntel XScale PXA255 AA 11 4 2 Companion and Bridge Chipset ITE 1T8152G 0 0 ceecccessccceescccesscceseceseeceeseceeaeees 11 5 System and flash memory csccccssccccsscccsscccscscccsscccssccssscsccesccccssccecesccsesscssssscsesscsees 13 5A SDRAM ET 13 5 2 lacht 13 6 DNCOTPACES EM EE M SEEE 14 6 1 QUE 14 6 2 LPC TEE 14 6 3 IDE Port PIO MOGG ici red eaa eroe teo reo ro ote oe ch Eeer 14 6 4 SIIEIMLNFESDUEIER EE 14 6 5 Serial Ports COM1 and COM2 eese esses eene nennen nnne nnne nth ne nnne nnne 14 6 6 WS Big 14 Kontron User s Guide X board lt PXA gt iii Cs kontron 10 11 12 13 Table of Contents 6 7 GT E 15 6 8 BOO CODEC Eet tueeegekeeee EENEG 15 6 9 LEE UE 15 6 10 Digital Flat Panel Interface 15 6 11 Television HERE 15 Gale E EES 16 6 13 PWG COMMON geregelte 16 5 13 1 Power Good Reset hueste denen Eege 16 6 14 PowerManagemettt sssisvessevsssscesscvasedesicverssacsrenstcadseccs testes ved EN ee E ENEE ENKER 16 6 14 1 ROX PS CONTO EE 16 6 15 Watchdog Timer sc oss cess cade e cases essen ies ENEE KEREN SERA vende 16 Limitations T 17 7 1 uu ege 17 7 2 UE npo 17 7 3 Keyboa
32. ntrol 38400 8 None 1 None Beginning System Initialization SDCLK 1 MemClk MemC1k 99 53 MHz Run Mode 4 MemClk Turbo Mode Run Mode Mode RUN Flash MB SDRAM MB EE EE E F E F FE FE FE TE TE ERASE EAE HERR E EERE ERE EERE EERE EEE HEH HF L Kontron XScale Bootloader L i L XBD3R111 017 LE C Copyright 2004 Kontron EE HE EE E H F FE FE FE TE TE TE HE H E E EERE E EE E E E ERASERS ERASER EERE HEHE HF Press ENTER to boot from flash Press SPACE to open menu Boot from flash after 5 seconds Pressing the Space key opens up the boot menu Otherwise the board will process the auto menu select string or attempt to run the Windows CE Image from the onboard flash if no such string has been assigned Boot Loader Configuration 0 IP address 192 168 35 224 1 Subnet mask 25525945299 2 DHCP Enabled 5 Download image via CF Card 7 Download image via RTL8139 PCI Ethernet t Download image via RTL8139 BOOTP TFTP lt u gt Use Debug Ethernet Disabled lt p gt PCI Menu lt e gt Erase Flash Menu lt d gt Menu Delay 5 a Menu Auto Select Weit lt s gt Save Configuration Enter your selection Simply pressing the digit or letter will invoke the listed action Kontron User s Guide X board lt PXA gt 21 C kontron 10 Appendix C Bootloa
33. ose documents for additional information 6 14 Power Management 6 14 1 ATX PS Control The X board lt PXA gt can control the main power output of an ATX style power supply The implementation of this subsystem complies with the X board Specification Implementation information is provided in the X board Design Guide Refer to those documents for additional information 6 15 Watchdog Timer This feature is implemented in the Intel XScale PXA255 The Watchdog can be configured in the customer application to start after a set amount of time following power on boot The application software should strobe the WDT to prevent its timeout Upon timeout the WDT resets and restarts the system This provides a way to recover from program crashes or lockups Configuration The watchdog can be programmed using the Standard JIDA32 Library API in a board and OS independent manner Please refer to the JIDA32 Library API documentation For hardware low level programming please refer to the Intel XScale PXA255 manual Note The Watchdog Timer is not available on lt PXA gt modules with PRev X2 or earlier Kontron User s Guide X board lt PXA gt 16 C kontron 7 Limitations 7 Limitations 7 1 PCI GNT2 REQ2 are used by Ethernet therefore not available for external PCI devices 7 2 Watchdog The Watchdog only allows RESET no NMI operation Note The Watchdog is not available on lt PXA gt modules with PRev X2 or earlier
34. rd Be 17 7 4 ERT 17 To Eeer 17 Appendix a block diagrat cccscccssscccssscccssccccscscccssccsssseccescccnssccscesccesscssscsssesscesecs 18 Appendix B System Resources Ree ER ee eee e eene en eene nete esset ee soe EE eese sees esee ess eate sane 19 9 1 Memory Area ENEE 19 9 2 Peripheral Component Interconnect PCI Devices zeien eddi dei Rn OD I da enia 19 Appendix C Bootloader m 20 10 1 BOOU LOAM E 20 10 2 ED Toup EEN 20 10 3 Booting from a Compact Elash E 23 10 4 Downloading an Image from Platform Builder Ak 23 10 5 Downloading an Image from Platform Builder to Onboard Flash 25 Appendix d X board connector pinouts ecce ee ee eene eene eee ee eee eene eee este este e aso ee 26 11 1 General purpose I O s GPIUS RE 28 11 2 LED Panel Pinout Table 25 ie ccen due vp nad aaa eia i 29 Ue MEN IT Muir e N 30 11 3 1 Specification and Pinout of the JTAG Connector eene eene 30 UE MATE EET 31 Appendix E JIDA STANDARD e eee eee ee ee eene eee nonae ena etna naso ee so eese EE sese esee eese eate KEE 32 12 1 JIDA Ate E 32 Appendix F PC Architecture Information ecce eere ee ee ee eere ee eee enne eee eren nente tono nente 33 Kontron User s Guide X board lt PXA gt iv Cs kontron 14 Table of Contents 13 1 Buses iier teed dane
35. ture is the maximum measurable temperature on any spot on a module s surface You must maintain the temperature according to the above specification 3 4 2 Humidity gt Operating 10 to 90 non condensing gt Non operating 5 to 95 non condensing Kontron User s Guide X board lt PXA gt 10 C kontron 4 CPU COMPANION and Bridge CHIPset 4 CPU COMPANION and Bridge CHIPset 4 1 Processor Intel XScale PXA255 Intel XScale PXA255 application processor is a 32 bit RISC based processor incorporating Intel s XScale Micro architecture based on the ARM V5TE architecture gt ARM Architecture Version 5TE ISA compliant ARM Thumb Instruction Support ARM DSP Enhanced Instructions gt 32KB Instruction Cache 32kB Data Cache 2 KB mini Data Cache Extensive Data Buffering gt Instruction and Data Memory Management Units gt Branch Target Buffer gt Intel Media Processing Technology Enhanced 16 bit Multiply 40 bit Accumulator gt AC97 Controller USB Client Controller SDRAM interface tightly coupled to CPU core and graphics subsystem for maximum efficiency High Speed UART Fast infrared COM port Y Y Low power modes Companion Chip Interface MMC Controller Synchronous Serial Port SSP I2C Interface LCD Controller for STN and TFT displays General Purpose I 0 ports DMA Controller VV NW NV Y Y ON ON ON Y 4 2 Companion and Bridge Chipset ITE IT8152G The IT8152F is
36. ve DSTN and active TFT flat panel displays with a maximum supported resolution of 800x600x16 bit pixel recommended maximum of 640x480 An internal 256 entry palette expands 1 2 4 or 8 bit encoded pixels Non encoded 16 bit pixels bypass the palette Two dedicated DMA channels allow the LCD Controller to support single and dual panel displays Passive monochrome mode supports up to 256 gray scale levels and passive color mode supports up to 64K colors Active color mode supports up to 64K colors 6 10 Digital Flat Panel Interface The X board lt PXA gt supports the Intelligent LCD Interface referred to as either JIDI or JILI d It provides the possibility to store controller specific panel configuration data in an external EEPROM Please contact Kontron Embedded Modules Technical Support for more information 6 11 Television Output The X board lt PXA gt does not support television output Kontron User s Guide X board lt PXA gt 15 C kontron 6 Interfaces 6 12 SMB I2C BUS The X board lt PXA gt provides only the I C bus on that interface The Intel XScale PXA255 internal I C controller is used 6 13 Power Control 6 13 1 Power Good Reset Input The X board lt PXA gt provides an external input for a power good signal or a manual reset pushbutton The implementation of this subsystem complies with the X board 9 Specification Implementation information is provided in the X board Design Guide Refer to th
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