Aaeon GENE-U15B Manual page 54

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S u b C o m p a c t B o a r d
Bit Name
7 GP27_OCTRL
6 GP26_OCTRL
5 GP25_OCTRL
4 GP24_OCTRL
3 GP23_OCTRL
2 GP22_OCTRL
1 GP21_OCTRL
0 GP20_OCTRL
GPIO2x Output Data Register – Index 21h
Power-on default [7:0]=0000_1000b
Bit Name
7 GP27_ODATA
6 GP26_ODATA
5 GP25_ODATA
4 GP24_ODATA
3 GP23_ODATA
2 GP22_ODATA
1 GP21_ODATA
0 GP20_ODATA
GPIO2x Input Status Register – Index 22h
Power-on default [7:0]=xxxx_xxxxb
R/W PWR Description
R/W VSB3V GPIO 27 output control. Set to 1 for
output function. Set to 0 for input
function (default).
R/W VSB3V GPIO 26 output control. Set to 1 for
output function. Set to 0 for input
function (default).
R/W VSB3V GPIO 25 output control. Set to 1 for
output function. Set to 0 for input
function (default).
R/W VSB3V GPIO 24 output control. Set to 1 for
output function. Set to 0 for input
function (default).
R/W VSB3V GPIO 23 output control. Set to 1 for
output function. Set to 0 for input
function (default).
R/W VSB3V GPIO 22 output control. Set to 1 for
output function. Set to 0 for input
function (default).
R/W VSB3V GPIO 21 output control. Set to 1 for
output function. Set to 0 for input
function (default).
R/W VSB3V GPIO 20 output control. Set to 1 for
output function. Set to 0 for input
function (default).
R/W PWR Description
R/W VSB3V GPIO 27 output data.
R/W VSB3V GPIO 26 output data.
R/W VSB3V GPIO 25 output data.
R/W VSB3V GPIO 24 output data.
R/W VSB3V GPIO 23 output data.
R/W VSB3V GPIO 22 output data.
R/W VSB3V GPIO 21 output data.
R/W VSB3V GPIO 20 output data.
G E N E - U 1 5 B
Appendix D DIO
D-3