Wdt Setup Instructions - ADLINK Technology cPCI-6810 User Manual

WDT Setup Instructions

1. Set pin 55 of PC87417 as Watch Dog Timer output pin
Set Bit 7 of SIOCF2 Register (Index: 22H) to 1, for example:
o 2E 22
o 2F 80
2. Set Logic Device to System Wake-Up Control (SWC)
Set Logic Device Number Register (Index: 07H) to 04H, for
example:
o 2E 07
o 2F 04
3. Enable Logic Device Control
Set Logic Device Control Register (Index: 30H) to 01H, for
example:
o 2E 30
o 2F 01
4. Get I/O Base Address (MSB) of SWC
Get SWC base address MSB from 60H, for example:
o 2E 60
i 2F
08 -> BIOS default value
5. Get I/O Base Address (LSB) of SWC
Get SWC base address MSB from 61H, for example:
o 2E 61
i 2F
40 -> BIOS default value
(The I/O Base Address of SWC BIOS set is 840H)
66 Appendix