
W83627DHG
Publication Release Date: Aug, 22, 2007
-199- Version
1.4
CR E4h. (GPIO2 Data Register; Default 00h)
BIT
READ / WRITE
DESCRIPTION
R / W
GPIO2 Data register
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 E5h. (GPIO2 Inversion Register; Default 00h)
BIT
READ / WRITE
DESCRIPTION
7~0
R / W
GPIO2 Inversion register
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 E6h. (GPIO2 Status Register; Default 00h)
BIT
READ / WRITE
DESCRIPTION
7~0
Read Only
Read-Clear
GPIO2 Event Status
Bit 7-0 corresponds to GP27-GP20, respectively.
0 : No active edge(rising/falling) has been detected
1 : An active edge(rising/falling) has been detected
Read the status bit clears it to 0.
CR E7h. (GPIO3 Status Register; Default 00h)
BIT
READ / WRITE
DESCRIPTION
7~0
Read Only
Read-Clear
GPIO3 Event Status
Bit 7-0 corresponds to GP37-GP30, respectively.
0 : No active edge(rising/falling) has been detected
1 : An active edge(rising/falling) has been detected
Read the status bit clears it to 0.
CR E8h. (GPIO4 Status Register; Default 00h)
BIT
READ / WRITE
DESCRIPTION
7~0
Read Only
Read-Clear
GPIO4 Event Status
Bit 7-0 corresponds to GP47-GP40, respectively.
0 : No active edge(rising/falling) has been detected
1 : An active edge(rising/falling) has been detected
Reading the status bit clears it to 0.
Содержание W83627DHG
Страница 2: ......