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PCM-5825 User's Manual

1.3.5 Solid state disk

• Supports one 50-pin socket for CompactFlash™ card

1.3.6 Mechanical and environmental

•

Dimensions (L x W)

: 145 mm x 102 mm (5.9" x 4.2")

•

Power supply voltage

: +5 V (4.75 ~ 5.25 V)

•

Power consumption

(typical) :

+5 V @ 1.3 A (typical) (for PCM-5825 / GX1-300)

+5 V @ 3 A (Max)

•

Operating temperature

: 0 ~ 60° C (32 ~ 140° F)

•

Weight

: 0.77 kg (weight of total package)

Содержание PCM-5825

Страница 1: ...PCM 5825 NS Geode Single Board Computer with CPU 4 COMs VGA LCD Ethernet and Audio Interface...

Страница 2: ...rd is a trademark of Award Software International Inc IBM PC AT PS 2 and VGA are trademarks of International Business Machines Corporation Intel and Pentium are trademarks of Intel Corporation Microso...

Страница 3: ...in PDF format 1 2 5 IDE flat cable 44 pin to 44 pin part no 1701440351 1 keyboard PS2 mouse cable part no 1700060201 1 secondary serial port cable part no 1701140201 1 parallel cable part no 170026065...

Страница 4: ...Installation 9 2 1 Jumpers and connectors 10 Table 2 1 Jumpers 10 Table 2 2 Connectors 11 2 2 Locating jumpers 12 Figure 2 1 Jumpers PCM 5825 12 2 3 Locating connectors 13 2 3 1 Component side 13 Figu...

Страница 5: ...3 Audio power source setting J1 21 Table 2 3 Audio power source setting 21 2 15 Serial ports CN19 CN18 CN2 21 2 15 1 COM1 RS 232 port CN19 21 2 15 2 COM2 RS 232 422 485 selection CN18 22 Table 2 4 CO...

Страница 6: ...up 35 4 1 System test and initialization 36 4 1 1 System configuration verification 36 4 2 Award BIOS setup 37 4 2 1 Entering setup 37 Figure 4 1 BIOS setup program initial screen 37 4 2 2 Standard CM...

Страница 7: ...T 69 Chapter 7 PCI Bus Ethernet Interface 73 7 1 Introduction 74 7 2 Installation of Ethernet driver 74 7 2 1 Installation for MS DOS and Windows 3 1 74 7 2 2 Installation for Windows 95 98 75 7 2 3 I...

Страница 8: ...ctor 90 A 14 Audio connector CN5 90 Table A 14 Audio connector 90 A 15 CD audio connector CN9 91 Table A 15 CD audio connector 91 A 16 CPU fan power connector CN6 91 Table A 16 CPU fan power connector...

Страница 9: ...le dimensions mm 0 1 103 Table C 1 PC 104 connectors CN14 104 Appendix D Programming the Watchdog Timer 105 D 1 Programming the watchdog timer 106 Appendix E Mechanical Drawings 109 E 1 Component side...

Страница 10: ...x...

Страница 11: ...C H A P T E R General Information This chapter gives background informa tion on the PCM 5825 Sections include Board specifications Board layout and dimensions 1...

Страница 12: ...Enhanced IDE interface with up to Ultra DMA transfer protocol one parallel port four serial ports 3 x RS 232 and 1 x RS 232 422 485 with DB 9 connector as COM1 and a mini DIN PS 2 keyboard mouse inte...

Страница 13: ...BASE T Ethernet interface Supports CompactFlash card Built in Enhanced IDE AT bus hard disk drive interface On board mini DIN PS 2 keyboard mouse connector Four serial ports three RS 232 one RS 232 4...

Страница 14: ...l ports Three serial RS 232 port one serial RS 232 422 485 port Com ports sfare IRQ 4 COM ports can share one IRQ Parallel port One parallel port supports SPP EPP ECP mode Infrared port Shared with CO...

Страница 15: ...CRT display mode Non interlaced CRT monitors resolutions up to 1280 x 1024 256 colors or 1024 x 768 16 bpp 1 3 3 Audio function Chipset NSCS5530A Audio controller AC97 version 2 0 compliant interface...

Страница 16: ...or CompactFlash card 1 3 6 Mechanical and environmental Dimensions LxW 145mmx102mm 5 9 x4 2 Powersupplyvoltage 5V 4 75 5 25V Power consumption typical 5V 1 3A typical forPCM 5825 GX1 300 5 V 3 A Max O...

Страница 17: ...Chapter 1 General Information 7 Figure 1 1 PCM 5825 dimensions 1 4 Board layout and dimensions...

Страница 18: ...8 PCM 5825 User s Manual...

Страница 19: ...hapter tells how to set up the PCM 5825 hardware including instruc tions on setting jumpers and connecting peripherals switches and indicators Be sure to read all the safety precautions before you beg...

Страница 20: ...connectors In addition the board has a number of jumpers that allow you to configure your system to suit your application The table below lists the function of each of the board jumpers and connectors...

Страница 21: ...r CN9 CD audio input connector CN11 ATX feature connector standby power CN12 IR connector infrared CN13 Main power connector 5 V 12 V CN14 PC 104 connector CN15 IDE hard disk connector CN16 LCD connec...

Страница 22: ...1 2 PCM 5825 User s Manual 2 2 Locating jumpers Figure 2 1 Jumpers PCM 5825...

Страница 23: ...Chapter 2 Installation 1 3 2 3 Locating connectors 2 3 1 Component side Figure 2 2 Connectors component side Figure 2 3 Connectors solder side...

Страница 24: ...open a jumper you remove the clip Sometimes a jumper will have three pins labeled 1 2 and 3 In this case you would connect either pins 1 and 2 or 2 and 3 The jumper settings are schematically depicted...

Страница 25: ...V J2 Clear CMOS Closed Pins Result 1 2 3 V battery on 2 3 Clear CMOS J3 COM2 selector Closed pins Result 1 2 RS 232 3 4 RS 422 5 6 RS 485 J4 Watchdog timer Closed Pins Result 1 2 System Reset 2 3 IRQ1...

Страница 26: ...hielded bag when they are not in the chassis 2 6 Installing DRAM SODIMMs 2 6 1 Introduction You can install anywhere from 16 MB to 256 MB of on board DRAM memory using 16 32 64 128 or 256 MB 144 pin S...

Страница 27: ...included in your PCM 5825 package 1 8 and 2 5 drives need a 1 x 44 pin to 2 x 44 pin flat cable connector 3 5 drives use a 1 x 44 pin to 2 x 40 pin connector However the required connectors are not in...

Страница 28: ...lat cable connector is fitted on one end of the cable while the other end sports two sets of floppy disk drive connectors Each set consists of a 34 pin flat cable connector for the 3 drives and a prin...

Страница 29: ...The adpater cable should have a 26 pin connector on one end and a 25 DB connector on the other The parallel port is designated as LPT1 and can be disabled or changed to LPT2 or LPT3 in the system BIO...

Страница 30: ...ional wireless infrared transmitting and receiving module which is mounted on the system case Configuration of the module is done through BIOS setup 2 14 Audio interfaces CN5 CN9 J1 The PCM 5825 is eq...

Страница 31: ...digital circuits By using J1 the PCM 5825 audio interface can also accept 12 V power sources for improved audio quality Table 2 3 Audio power source setting 5 V regulated 5 V J1 default setting Config...

Страница 32: ...etup 2 15 3 COM3 COM4 RS 232 port CN2 The COM3 COM4 series port consists of 20 pin dual in line male header 2 15 4 Share IRQ The IRQ and the address range for COM1 2 3 4 default are fixed However if y...

Страница 33: ...support a 24 bit LCD panel Power supply 12 V present on CN16 depends on the supply connected to the board The PCM 5825 provides a bias control signal on CN16 that can be used to control the LCD bias...

Страница 34: ...2 bit PCI Ethernet interface which is fully compliant with IEEE 802 3u 10 100 Mbps CSMA CD standards 2 17 1 100Base T RJ 45 connector CN20 100Base T connections are made via the on board RJ 45 connect...

Страница 35: ...When the watchdog timer activates CPU processing has come to a halt it can reset the system or generate an interrupt on IRQ11 This can be set via J4 as shown below Table 2 9 Watchdog timer action Syst...

Страница 36: ...2 6 PCM 5825 User s Manual...

Страница 37: ...oftware configu ration information It shows you how to configure the card to match your applica tion requirements Award system BIOS is covered in Chapter 4 Sections include LCD display configuration C...

Страница 38: ...with a software utility on CD ROM This disk contains the necessary file for setting up the VGA display Directories and files on the disk are as follows Figure 3 1 Contents of the PCM 5825 utility disk...

Страница 39: ...ompletely via the software utility so you do not have to set any jumpers Configure the LCD type as follows 1 Apply power to the PCM 5825 with a color TFT display attached This is the default setting f...

Страница 40: ...change your mind or have made a mistake press N 4 If you decide to continue the screen will issue a prompt which will then ask Are you sure to program Y N If you wish to continue press Y Press N to ex...

Страница 41: ...Name 1 GND 3 GND 2 CLK 35 SHFCLK 3 GND 4 GND 4 R0 27 PD12 5 R1 28 PD13 6 R2 29 PD14 7 GND 8 GND 8 R3 30 PD15 9 R4 31 PD16 10 R5 32 PD17 11 GND 33 GND 12 G0 19 PD6 13 G1 20 PD7 14 G2 21 PD8 15 GND 33...

Страница 42: ...GND 2 NCLK 35 SHFCLK 3 NC NC 4 NC NC 5 GND 4 GND 6 R0 27 PD12 7 R1 28 PD13 8 R2 29 PD14 9 R3 30 PD15 10 R4 31 PD16 11 R5 32 PD17 12 GND 8 GND 13 G0 19 PD6 14 G1 20 PD7 15 G2 21 PD8 16 G3 22 PD9 17 G4...

Страница 43: ...e option you wish to change by using the Up and Down keys To change a selected item press Enter and a screen will appear with the available options Highlight your option and press Enter Each highlight...

Страница 44: ...34 PCM 5825 User s Manual...

Страница 45: ...Award BIOS Setup This chapter describes how to set BIOS configuration data C H A P T E R 4...

Страница 46: ...System configuration verification These routines check the current system configuration against the values stored in the board s CMOS memory If they do not match the program outputs an error message Y...

Страница 47: ...modify the basic system configuration This type of information is stored in battery backed CMOS RAM so that it retains the Setup information when the power is turned off 4 2 1 Entering setup Power on...

Страница 48: ...SETUP SCREEN menu the screen shown below is dis played This standard Setup Menu allows users to configure system components such as date time hard disk drive floppy drive and display Once a field is...

Страница 49: ...features setup By choosing the BIOS FEATURES SETUP option from the INITIAL SETUP SCREEN menu the screen below is displayed This sample screen contains the manufacturer s default values for the PCM 58...

Страница 50: ...features setup By choosing the CHIPSET FEATURES SETUP option from the INITIAL SETUP SCREEN menu the screen below is displayed This sample screen contains the manufacturer s default values for the PCM...

Страница 51: ...management setup By choosing the POWER MANAGEMENT SETUP option from the INITIAL SETUP SCREEN menu the screen below is displayed This sample screen contains the manufacturer s default values for the P...

Страница 52: ...CI configuration By choosing the PnP PCI CONFIGURATION option from the Initial Setup Screen menu the screen below is displayed This sample screen contains the manufacturer s default values for the PCM...

Страница 53: ...GRATED PERIPHERALS option from the INITIAL SETUP SCREEN menu the screen below is displayed This sample screen contains the manufacturer s default values for the PCM 5825 The PANEL TYPE by default supp...

Страница 54: ...LOAD BIOS DEFAULTS loads the default system values directly from ROM If the stored record created by the Setup program becomes corrupted and therefore unusable these defaults will load automati cally...

Страница 55: ...r 2 If the CMOS is good or this option has been used to change the default password the user is asked for the password stored in the CMOS The screen will display the following message Confirm Password...

Страница 56: ...ities will be recorded in the chipset s CMOS memory The microprocessor will check this every time you turn your system on and compare this to what it finds as it checks the system This record is requi...

Страница 57: ...SVGA Setup Introduction Installation of SVGA driver for Windows 95 98 NT C H A P T E R 5...

Страница 58: ...addition it also supports interlaced and non interlaced analog moni tors color and monochrome VGA in high resolution modes while maintaining complete IBM VGA compatibility Digital monitors i e MDA CGA...

Страница 59: ...ons are examples only You must follow the flow chart instructions and pay attention to the instructions which then appear on your screen Note 1 The CD ROM drive is designated as D throughout this chap...

Страница 60: ...5825 Series User s Manual 5 2 1 Installation for Windows 3 1 1 In the Windows 3 1 Main screen click on the Windows Setup icon 2 In the Windows Setup window choose Options then select Change System Se...

Страница 61: ...System Settings window select the Display item In the dropdown selection select Other display Requires disk from OEM 4 Type in the correct path like the window below where drive D is the CD ROM drive...

Страница 62: ...5 2 PCM 5825 Series User s Manual 5 Select the display type and preferred resolution then click OK 6 Choose Restart Windows...

Страница 63: ...2 Installation for Cyrix MediaGX Certified drivers for Windows 95 980 Insert the disk into the CD ROM drive 1 Select Start then Run Type the correct path for the driver like the example below D BISCUI...

Страница 64: ...5 4 PCM 5825 Series User s Manual 2 Click Finish to continue 3 Click Next to proceed to the next step Click Yes after you read the license agreement...

Страница 65: ...Chapter 5 SVGA Setup 5 5 4 Follow the instructions which appear on the screen 5 Insert the Win95 98 CD ROM into the CD ROM drive Type the correct path for the Win9 x source file...

Страница 66: ...5 6 PCM 5825 Series User s Manual 6 Choose Yes then click Finish to restart the computer...

Страница 67: ...etup 5 7 5 2 3 Installation for Windows NT 1 a Select Start Settings then Control Panel to get to the screen below b Double click on the Display icon 2 a Choose the Settings selection b Click the Disp...

Страница 68: ...5 8 PCM 5825 Series User s Manual 3 Press the Change button 4 Click on the Have Disk button...

Страница 69: ...Chapter 5 SVGA Setup 5 9 5 a Insert the disk into the CD ROM drive b Type D Biscuit 5820 VGA WINNT VGA 110 c Press OK 6 a Select the highlighted item b Press OK...

Страница 70: ...6 0 PCM 5825 Series User s Manual 7 Press Yes to proceed 8 Press OK to reboot...

Страница 71: ...Chapter 5 SVGA Setup 6 1 9 a Repeat Step 1 in this manual select the Settings label b Adjust the resolution and color c Click Test to see the results d Click OK to save the settings...

Страница 72: ...For further information about the PCI SVGA installation in your PCM 5820 including driver updates troubleshooting guides and FAQ lists visit the following web resources Cyrixwebsite www national com A...

Страница 73: ...Audio Introduction Installation of audio driver for Windows 95 98 NT 6 C H A P T E R...

Страница 74: ...U 104 logical devices It is compatible with AC97 version 2 0 voice and music functions The ESFM synthesizer is register compatible with the OPL3 and has extended capabilities 6 2 Installation of audio...

Страница 75: ...Audio 6 5 6 2 1 Installation for Windows 95 98 1 a Select Start Settings Control Panel System Device Manager b Click on Other Devices c Remove items related to ESS 1869 2 a Select Add new hardware b C...

Страница 76: ...6 6 PCM 5825 User s Manual 3 a Choose No then click Next 4 a Select Sound Video b Click Next 5 a Click Have Disk...

Страница 77: ...Audio 6 7 6 a Insert the disc into the CD ROM drive b Type the correct path D 5825 VGA Win9X Audio and click the OK button 7 a Select ES1869 Control interface 8 a Click Finish to complete D 5825 VGA W...

Страница 78: ...6 8 PCM 5825 User s Manual 9 Click OK 10 a Insert Windows 9x CD b Type the path of your windows 9x disc and click OK 11 a Click Yes to restart D 5825 VGA Win9X Audio...

Страница 79: ...Chapter 6 Audio 6 9 1 a Select Start Settings Control Panel b Double click Multimedia 2 a Select Devices item b Click add 6 2 2 Installation for Windows NT...

Страница 80: ...ect the Unlisted item b Click Ok 4 a Insert the disc into the CD ROM drive b Type the correct path D Biscuit 5825 VGA Winn Audio and click the OK button 5 a Choose the highlighted section then click O...

Страница 81: ...Chapter 6 Audio 7 1 6 a Set the I O addresss b Click Continue 7 a Set Express Audio Configuration b Click Ok to restart...

Страница 82: ...7 2 PCM 5825 User s Manual...

Страница 83: ...PCI Bus Ethernet Interface This chapter provides information on Ethernet configuration Introduction Installation of Ethernet driver for Windows 95 98 NT Further information C H A P T E R 7...

Страница 84: ...bled in the BIOS setup 7 2 Installation of Ethernet driver Before installing the Ethernet driver note the procedures below You must know which operating system you are using in your PCM 5825 and then...

Страница 85: ...Chapter 7 PCI Bus Ethernet Interface 7 5 7 2 2 Installation for Windows 95 98 1 a Select Start Settings Control Panel b Double click Network 2 a Click Add and prepare to install network functions...

Страница 86: ...er s Manual 3 a Select the Adapter item to add the Ethernet card 4 a Click Have Disk to install the driver 5 a Insert the CD into the D drive b Fill in D 5825 Ethernet 100 Win95 c Click OK D 5825 Ethe...

Страница 87: ...Ethernet Interface 7 7 6 a Choose the Realtek item b Click OK 7 a Make sure the configurations of relative items are set correctly b Click OK to reboot Note The correct path for Windows 98 is D 5825 E...

Страница 88: ...7 8 PCM 5825 User s Manual 1 a Select Start Settings Control Panel b Double click Network 2 a Choose the Adapters label b Click the Add button 7 2 3 Installation for Windows NT...

Страница 89: ...Chapter 7 PCI Bus Ethernet Interface 7 9 3 a Press Have Disk 4 a Type D b Press OK 5 a Insert the CD into D drive b Fill in D 5825 Ethernet 100 Winnt c Click OK D D 5825 Ethernet 100 Winnt...

Страница 90: ...8 0 PCM 5825 User s Manual 6 a Choose the Realtek item b Click OK 7 a Make sure the configurations of relative items are set correctly b Click OK to reboot...

Страница 91: ...Chapter 7 PCI Bus Ethernet Interface 8 1 Advantech websites www advantech com www advantech com tw Realtekwebsite www realtek com 7 3 Further information...

Страница 92: ...8 2 PCM 5825 User s Manual...

Страница 93: ...r Main power connector IDE hard drive connector COM1 RS 232 serial port COM3 COM4RS 232port Ethernet 10 100 Mbps connector Auxilary power connector Floppy drive connector Parallel port connector IR co...

Страница 94: ...RxD N C N C 4 RTS N C N C 5 TxD N C N C 6 CTS N C N C 7 DTR N C N C 8 RI N C N C 9 GND N C N C 10 GND N C N C 11 N C TxD DATA 12 N C TxD DATA 13 N C RxD N C 14 N C RxD N C A 1 CRT display connector C...

Страница 95: ...oard and mouse connnector CN21 Table A 3 Keyboard and mouse connector Pin Signal 1 KB DATA 2 MS DATA 3 GND 4 VCC 5 KB CLOCK 6 MS CLOCK A 4 Main power connector CN3 1 2 4 3 Table A 4 Main power connect...

Страница 96: ...ATA 13 15 DATA 1 16 DATA 14 17 DATA 0 18 DATA 15 19 SIGNAL GND 20 N C 21 DRQ 22 GND 23 IO WRITE 24 GND 25 IO READ 26 GND 27 IO CHANNEL READY 28 N C 29 ACK 30 GND 31 IRQ14 IDE IRQ 32 IOCS16 33 ADDR 1 3...

Страница 97: ...32 series Ports Pin Signal Pin Signal 1 DCD3 2 DSR3 3 RXD3 4 RTS3 5 TXD3 6 CTS3 7 DTR3 8 RI3 9 GND 10 GND 11 DCD4 12 DSR4 13 RXD4 14 RTS4 15 TXD4 16 CTS4 17 DTR4 18 RI4 19 GND 20 GND A 8 Ethernet 100B...

Страница 98: ...nnector Pin Signal Pin Signal 1 GND 2 DENSITY SELECT 3 GND 4 N C 5 GND 6 N C 7 GND 8 INDEX 9 GND 10 MOTOR 0 11 GND 12 DRIVE SELECT 1 13 GND 14 DRIVE SELECT 0 15 GND 16 MOTOR 1 17 GND 18 DIRECTION 19 G...

Страница 99: ...ix A Pin Assignments 8 9 A 11 Parallel port connector CN3 Table A 11 Parallel port connector Pin Signal 1 STROBE 2 AUTOFD 3 D0 4 ERROR 5 D1 6 INIT 7 D2 8 SLCTINI 9 D3 10 GND 11 D4 12 GND 4 26 25 3 24...

Страница 100: ...USB connector Pin Signal Pin Signal 1 USBVCC 5 V 2 USB VCC 5 V 3 DATA 0 4 DATA 1 5 DATA 0 6 DATA 1 7 GND 8 GND 9 GND 10 N C 4 14 15 3 16 13 1 2 A 14 Audio connector CN5 Table A 14 Audio connector Pin...

Страница 101: ...9 1 A 15 CD audio connector CN9 Table A 15 CD audio connector Pin Signal 4 GND 3 CD audio control R 2 GND 1 CD audio control L A 16 CPU fan power connector CN6 Table A 16 CPU fan power connector Pin...

Страница 102: ...3V 5 Vdd 6 3 3V 5 Vdd 7 N C 8 GND 9 N C 10 N C 11 PD0 12 PD1 13 PD2 14 PD3 15 PD4 16 PD5 17 N C 18 N C 19 PD6 20 PD7 21 PD8 22 PD9 23 PD10 24 PD11 25 N C 26 N C 27 PD12 28 PD13 29 PD14 30 PD15 31 PD1...

Страница 103: ...05 5 D06 6 D07 7 CS0 8 A10 9 ATA SEL 10 A09 11 A08 12 A07 13 5 V 14 A06 15 A05 16 A04 17 A03 18 A02 19 A01 20 A00 21 D00 22 D01 23 D02 24 IOCS16 25 CD2 26 CD1 27 D11 28 D12 29 D13 30 D14 31 D15 32 CS1...

Страница 104: ...9 4 PCM 5825 User s Manual...

Страница 105: ...System Assignments System I O ports DMA channel assignments Interrupt assignments 1st MB memory map A P P E N D I X B...

Страница 106: ...math co processor 0F8 0FF Math co processor 170 178 2nd fixed disk for CompactFlash 1F0 1F8 1st fixed disk 200 207 Game I O 278 27F Reserved 2E8 2EF Series port 4 2F8 2FF Serial port 2 300 31F Etherne...

Страница 107: ...l Function 0 Available 1 Audio 2 Floppy disk 8 bit transfer 3 Parallel 4 Cascade for DMA controller 1 5 Audio 6 Available 7 Available Audio DMA default setting DMA 1 5 Audio High DMA select DMA 1 3 Au...

Страница 108: ...9 Reserve IRQ 10 Serial port 3 and port 4 IRQ 11 Reserved for watchdog timer IRQ 12 PS 2 mouse IRQ 13 INT from co processor IRQ 14 Preliminary IDE IRQ 15 Secondary IDE for CompactFlash IRQ 3 Serial c...

Страница 109: ...y map Addr range Hex Device F000h FFFFh System ROM D800h EFFFh Unused D000 D400H Available C800h D7FFh Ethernet ROM C000h C7FFh VGA BIOS B800h BFFFh CGA EGA VGA text B000h B7FFh Reserved for graphic m...

Страница 110: ...100 PCM 5825 User s Manual...

Страница 111: ...Installing PC 104 Modules This appendix gives instructions for installing PC 104 modules A P P E N D I X C...

Страница 112: ...to the safety instructions already mentioned above 2 Make any jumper or link changes required to the CPU card now Once the PC 104 module is mounted you may have difficulty in accessing these 3 Normal...

Страница 113: ...104 Modules 1 0 3 Figure C 1 PC 104 module mounting diagram Figure C 2 PC 104 module dimensions mm 0 1 PCM 5820 Series Fem ale PC 104 M ounting Support M ale PC 104 m odule 8 9 95 9 90 8 5 1 0 0 5 1...

Страница 114: ...2 12 V LA18 IRQ14 8 SD1 ENDXFR LA17 DACK0 9 SD0 12 V MEMR DRQ0 10 IOCHRDY N C MEMW DACK5 11 AEN SMEMW SD8 DRQ5 12 SA19 SMEMR SD9 DACK6 13 SA18 IOW SD10 DRQ6 14 SA17 IOR SD11 DACK7 15 SA16 DACK3 SD12 D...

Страница 115: ...is equipped with a watchdog timer that resets the CPU or generates an interrupt if processing comes to a standstill for whatever reason This feature ensures system reliability in industrial standalone...

Страница 116: ...atchdog timer will activate and reset the CPU or generate an interrupt on IRQ11 When you want to disable the watchdog timer your program should write 0 to I O port 443 If CPU processing comes to a sta...

Страница 117: ...0 X Out H443 1 REM Enable and refresh the watchdog 30 GOSUB 1000 REM Task 1 takes 1 second to complete 40 X Out H443 1 REM Refresh the watchdog 50 GOSUB 2000 REM Task 2 takes 1 second to complete 60 X...

Страница 118: ...108 PCM 5825 User s Manual...

Страница 119: ...Mechanical Drawings A P P E N D I X E...

Страница 120: ...110 PCM 5825 User s Manual Figure E 1 Board Dimensions component side E 1 Component side...

Страница 121: ...Appendix E Mechanical Drawings 1 1 1 E 2 Solder side Figure E 2 Board Dimensions solder side...

Страница 122: ...112 PCM 5825 User s Manual...

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