W83627DHG Datasheet, PDF (210/268 Pages) Winbond – WINBOND LPC I/O

W83627DHG
20.10 Logical Device 9 (GPIO2, GPIO3, GPIO4, GPIO5)
CR 30h. (Default 00h)
BIT READ / WRITE
DESCRIPTION
7~4 Reserved.
3
R/W
0: GPIO5 is inactive.
1: GPIO5 is active
2
R/W
0: GPIO4 is inactive.
1: GPIO4 is active.
1
R/W
0: GPIO3 is inactive.
1: GPIO3 is active.
0
R/W
0: GPIO2 is inactive.
1: GPIO2 is active.
CR E0h. (GPIO5 I/O Register; Default FFh)
BIT READ / WRITE
DESCRIPTION
GPIO5 I/O register
7~0
R/W
0: The respective GPIO5 PIN is programmed as an output port
1: The respective GPIO5 PIN is programmed as an input port.
CR E1h. (GPIO5 Data Register; Default 00h)
BIT READ / WRITE
DESCRIPTION
GPIO5 Data register
R/W
For output ports, the respective bits can be read and written by the pins.
7~0
Read Only
For input ports, the respective bits can only be read by the pins. Write
accesses are ignored.
CR E2h. (GPIO5 Inversion Register; Default 00h)
BIT READ / WRITE
DESCRIPTION
GPIO5 Inversion register
7~0
R/W
0: The respective bit and the port value are the same.
1: The respective bit and the port value are inverted. (Applies to both input
and output ports)
CR E3h. (GPIO2 Register; Default FFh)
BIT READ / WRITE
DESCRIPTION
GPIO2 I/O register
7~0
R/W
0: The respective GPIO2 PIN is programmed as an output port
1: The respective GPIO2 PIN is programmed as an input port
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Publication Release Date: Aug, 22, 2007
Version 1.4