AAEON GENE-U15B User Manual
Page 55
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S u b C o m p a c t B o a r d
G E N E - U 1 5 B
Appendix D DIO
D-4
Bit Name
R/W
PWR Description
7
GP27_PSTS
RO
VSB3V
Read the GPIO27 data on the pin.
6
GP26_PSTS
RO
VSB3V
Read the GPIO26 data on the pin.
5
GP25_PSTS
RO
VSB3V
Read the GPIO25 data on the pin.
4
GP24_PSTS
RO
VSB3V
Read the GPIO24 data on the pin.
3
GP23_PSTS
RO
VSB3V
Read the GPIO23 data on the pin.
2
GP22_PSTS
RO
VSB3V
Read the GPIO22 data on the pin.
1
GP21_PSTS
RO
VSB3V
Read the GPIO21 data on the pin.
0
GP20_PSTS
RO
VSB3V
Read the GPIO20 data on the pin.
The following is a sample code for 8 input
.MODEL SMALL
.CODE
begin:
mov
cl,01h
mov
al,80h
call
CT_I2CWriteByte
call
Delay5ms
mov al,00h
mov
cl,20h
call
CT_I2CWriteByte
mov
cl,22h
call
CT_I2CReadByte
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