Gpio Sample Code - MSI MS-98F5 Manual

WDT & GPIO

GPIO Sample Code


GPI 0 ~ GPI 3
IO Address
SIO GPIO Register
Bit
Sample code

GPO 0 ~ GPO 3
IO Address
SIO GPIO Register
Bit
Sample code
SMI_port
5606_Addrs
GPI_REG1
GPI_REG
GPO_REG
GPO_0
Sample Code:
#1 : Get GPI 0 status
; Set GPI data and use SW SMI.
mov dx, SMI_port
mov eax, 03000000h
mov ebx, 03E000000h
mov ecx,0
mov esi,0
out dx, 9Eh
jmp short $+2
jmp short $+2
A-4
GPI 0 GPI 1 GPI 2
00h 00h 00h
5 6 7
#1
GPO 0 GPO 1 GPO 2
01h 01h 01h
0 1 2
#2
equ 0B2h
equ 03Eh
equ 010h
equ 000h
equ 01h
equ 01h //Bit0
;3E is 5605 addr. 00 is GPI_Bit Reg. bx is 0000h
;dx is smi port, smi number is 9Eh
;Io_delay
;Io_delay
GPI 3
10h
0
GPO 3
01h
3