Aaeon GENE-CV05 Manual page 116

S u b C o m p a c t B o a r d
begin:
mov
mov
call
call
mov al,00h
mov
call
mov
call
;Input : CL - register index
; CH - device ID
;Output : AL - Value read
Ct_I2CReadByte
mov
mov
mov
commands
out
cl,01h
al,80h
CT_I2CWriteByte
Delay5ms
cl,20h
CT_I2CWriteByte
cl,22h
CT_I2CReadByte
Proc Near
ch,06eh
dx, 0f000h + 00h ; Host Control Register
al, 0ffh
dx, al
G E N E - C V 0 5
; Clear previous
Appendix E Digital I/O E-5