Advantech SOM-4450 ETX - Manuals

CHAPTER 1 General Information This chapter gives background informa-tion on the SOM-4450 CPU System OnModule. Sections include: • Introduction • Specifications • Board Dimensions

2 SOM-4450 User's Manual 1.1 Introduction Advantech's SOM-ETX form factor System On Module provides ascalable solution that meets customers' advanced CPU and applicationdevelopment needs. The SOM-4450 incorporates a low power, fanlessGX1-300 MHz processor that has become the embedded integrators'pro...

Chapter 1 General Information 3 1.2 Specifications 1.2.1 Standard System On Module SBC functions • CPU: Onboard NS Geode GX1-300 MHz 2.0 V processor • BIOS: Award 256KB Flash memory • System memory: One 144-pin SO-DIMM socket accepts 64~256MB SDRAM. • Enhanced IDE interface: 2EIDE channels support u...

Chapter 1 General Information 5 • Supports 640 x 480 and 800 x 600 input resolutions • Over-scan, under-scan and postion adjustable (Windows 95/98 only) • Auto detection of TV presence 1.2.7 SSD Support • 1 CompactFlash socket on board expandable by chipDisk and external HDD (Bootable CFC HDD) • 16 ...

6 SOM-4450 User's Manual 1.3 Board dimensions Figure 1-1: SOM-4450 dimensions

1 0 SOM-4450 User's Manual 2.1 Connector Locations The board has a number of connectors that allow you to configureyour system to suit your application. The tables below shows the function of each of the board's connec-tors: SOM-4450 Locating Connectors

Chapter 2 Connectors and Pin Assignments 1 1 2.2 Pin Assignments for X1, X2, X3, X4connectors Please refer to SOM-ETX Design and Specification Guide, Chapter 2 2.3 Safety precautions Warning! Always completely disconnect the power cord from your board whenever you are working on it. Do notmake conne...

Chapter 3 Software Configuration 1 5 1. Apply power to the SOM-4450 application with a color TFT display attached. This is the default setting for the SOM-4450 series. Makesure that the AWDFLASH.EXE and *.BIN files are located in theworking drive. Note: Make sure that you do not run AWDFLASH.EXEwhil...

1 6 SOM-4450 User's Manual 3.4 Connections for two standard LCDs 3.4.1 Connections for Toshiba LTM10C042(640 x 480TFT color LCD) Table 3-1: Connections for Toshiba LTM10C042 LTM10C042 SOM-4450 Pin Name Pin Name 1 G N D 3 G N D 2 C L K 35 SHFCLK 3 G N D 4 G N D 4 R 0 2 7 P D 1 2 5 R 1 2 8 P D 1 3 6 R...

Programming the Watchdog Timer The SOM-4450 is equipped with awatchdog timer that resets the CPU orgenerates an interrupt if processing comesto a standstill for any reason. This featureensures system reliability in industrialstandalone or unmannedenvironments. APPENDIX A

2 0 SOM-4450 User's Manual A.1 Programming the watchdog timer To program the watchdog timer, you must write a program which writesI/O port address 443 (hex). The output data is a value of time interval.The value range is from 01 (hex) to 3E (hex), and the related timeinterval is 1 sec. to 62 sec. Da...

System Assignments • System I/O ports • DMA channel assignments • Interrupt assignments • 1st MB memory map APPENDIX B

Appendix B System Assignments 2 5 B.2 DMA channel assignments Table B-2: DMA channel assignments Channel Function 0 Available 1 Available 2 Floppy disk (8-bit transfer) 3 P a r a l l e l * * 4 Cascade for DMA controller 1 5 Available 6 Available 7 Available ** Parallel port DMA default setting: DMA ...

2 6 SOM-4450 User's Manual B.3 Interrupt assignments Table B-3: Interrupt assignments Interrupt# Interrupt source NMI Parity error detected IRQ 0 Interval timer IRQ 1 Keyboard IRQ 2 Interrupt from controller 2 (cascade) IRQ 3 Serial communication port 2 IRQ 4 Serial communication port 1 IRQ 5 Availa...

Appendix B System Assignments 2 7 B.4 1st MB memory map Table B-4: 1st MB memory map Addr. range (Hex) DeviceF000h - FFFFh System ROM E000h - EFFFh Unused CC00h - DFFFh a v a i l a b l e C800h - CBFFh Ethernet ROM* C000h - C7FFh VGA BIOS B800h - BFFFh CGA/EGA/VGA text B000h - B7FFh Reserved for grap...

LVDS Connection This appendix contains informationconcerning the LVDS installation and pinassignments. APPENDIX C

3 0 SOM-4450 User's Manual C.1 LVDS Introduction When you mention the impressive data rate of 400 Mbps at 15 metersfor LVDS, you immediately realize how significant the differences arebetween analog and digital interfaces. There are several other factorsother than significantly increased data transf...

Appendix C LVDS 3 1 e m a N n i P l a n g i s S D V L l e n n a h C 0 O D D C L - 0 t u o x T t s r i f 1 O D D C L + 0 t u o x T t s r i f 2 O D D C L - 1 t u o x T t s r i f 3 O D D C L + 1 t u o x T t s r i f 4 O D D C L - 2 t u o x T t s r i f 5 O D D C L + 2 t u o x T t s r i f 6 O D D C L - k ...