Gpio2X Output Control Register - Index 20H; Gpio2X Output Data Register - Index 21H - Advantech SOM-5787 User Manual

B.1.3

GPIO2x Output Control Register - Index 20h

Table B.3: Index 20h
Bit Name
7 GP27_O CTRL
6 GP26_O CTRL
5 GP25_O CTRL
4 GP24_O CTRL
3 GP23_O CTRL
2 GP22_O CTRL
1 GP21_O CTRL
0 GP20_O CTRL
B.1.4

GPIO2x Output Data Register - Index 21h

Table B.4: Index 21h
Bit Name
7 GP27_O DATA
6 GP26_O DATA
5 GP25_O DATA
4 GP24_O DATA
3 GP23_O DATA
2 GP22_O DATA
1 GP21_O DATA
0 GP20_O DATA
P/W PWR Description
RW VSB3V GPIO 27 output control.
Set to 1 for output function.
Set to 0 for input function (default).
RW VSB3V GPIO 26 output control.
Set to 1 for output function.
Set to 0 for input function (default).
RW VSB3V GPIO 25 output control.
Set to 1 for output function.
Set to 0 for input function (default).
RW VSB3V GPIO 24 output control.
Set to 1 for output function.
Set to 0 for input function (default).
RW VSB3V GPIO 23 output control.
Set to 1 for output function.
Set to 0 for input function (default).
RW VSB3V GPIO 22 output control.
Set to 1 for output function.
Set to 0 for input function (default).
RW VSB3V GPIO 21 output control.
Set to 1 for output function.
Set to 0 for input function (default).
RW VSB3V GPIO 20 output control.
Set to 1 for output function.
Set to 0 for input function (default).
P/W PWR Description
RW VSB3V GPIO 27 output data.
RW VSB3V GPIO 26 output data.
RW VSB3V GPIO 25 output data.
RW VSB3V GPIO 24 output data.
RW VSB3V GPIO 23 output data.
RW VSB3V GPIO 22 output data.
RW VSB3V GPIO 21 output data.
RW VSB3V GPIO 20 output data.
43 SOM-5787/6787 User Manual