C&T Solution RCO-3122PP-4P-M12-N4200, User Manual

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RCO- 3200 | User’s Manual
99
#5 : GPO 6 must be accessed by gpio configuration (IO address is protected)
Set GPO 6 status to high
SIO_INDEX_Port equ 04Eh
SIO_DATA_Port equ 04Fh
SIO_UnLock_Value equ 087h
SIO_Lock_Value equ 0AAh
SIO_LDN_GPIO equ 06h
GPO_REG equ 0d1h
GPO_6 equ 00000001b
; Enable config mode
mov dx, SIO_INDEX_Port
mov al, SIO_UnLock_Value
out dx, al
jmp short $+2 ;Io_delay
jmp short $+2 ;Io_delay
out dx, al
; Switch GPIO Configuration for SIO LDN 0x06
mov dx, SIO_INDEX_Port
mov al, 07h
out dx, al
mov dx, SIO_DATA_Port
mov al, SIO_LDN_GPIO
out dx, al
; Set GPO 6 Pin to High
mov dx, SIO_INDEX_Port
mov al, GPO_REG
out dx, al
mov dx, SIO_DATA_Port
in al, dx
or al, GPO_6
out dx, al
;al bit0 = GPO 6 status
; Exit SIO
mov dx, SIO_INDEX_Port
mov al, SIO_Lock_Value
out dx, al
Appendix – WDT & GPIO