Appendix B : Gpio & Wdt Function - Vecow RCS-70000 User Manual

B
APPENDIX B : GPIO & WDT FUNCTION
The GPIO& WDT are using internal Super IO function. However, you must entry
super I/O configuration mode to set it.
The output port is set as GPIO 1 on CN13, reg. index = 0x60
The input port is set as GPIO 4 on CN12, reg. index = 0x62.
Super I/O special address port = 0x2E
Super I/O special data port
GPIO Logical device is 0x07
A. Super I/O Definition
//write twice 0x87 value.
outportb(Super I/O special address port,
outportb(Super I/O special address
outportb(Super I/O special address
outportb(Super I/O special address
B. Located on Logical Device 7
//write 0x07 on Reg [0x07] , this setup must follow Step A. that can be workable.
outportb(Super I/O special address
outportb(Super I/O special data
C. Access the Super I/O Register
Base control for write Super I/O register.
outportb(special address
outportb(special data
Base control for read Super I/O register
outportb(special address
inportb(special data
©Vecow RCS-7000 Series Robust Computing System User Manual
= 0x2F
port, 0x01);
port, 0x55);
port, 0x55);
port, 0x07);
port, 0x07);
port, Register Index.);
port, update_value);
port, Register Index.);
port); //It will return a BYTE value.
0x87);
Appendix B
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