W83627UHG Nuvoton Technology Corporation of America, W83627UHG Datasheet - Page 180
W83627UHG
Manufacturer Part Number
W83627UHG
Description
IC I/O CONTROLLER 128-QFP
Manufacturer
Nuvoton Technology Corporation of America
Specifications of W83627UHG
Applications
PC's, PDA's
Interface
LPC
Voltage - Supply
3.3V, 5V
Package / Case
128-XFQFN
Mounting Type
Surface Mount
Pin Count
128
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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CR E4h. (GPIO4 I/O Register; Default FFh)
CR E5h. (GPIO4 Data Register; Default 00h)
CR E6h. (GPIO4 Inversion Register; Default 00h)
CR E7h. (Status Register; Default 00h)
7~0
7~0
7~0
7~0
BIT
BIT
BIT
BIT
READ / WRITE
READ / WRITE
READ / WRITE
READ / WRITE
Read-Clear
Read Only
Read Only
R / W
R / W
R / W
GPIO4 I/O register
0: The respective GPIO4 PIN is programmed as an Output port
1: The respective GPIO4 PIN is programmed as an Input port.
GPIO4 Data register
For Output ports, the respective bits can be read and written by the pins.
For Input ports, the respective bits can be read only from pins. Write
accesses will be ignored.
GPIO4 Inversion register
0: The respective bit and the port value are the same.
1: The respective bit and the port value are inverted. (Both Input & Output
ports)
GPIO4 Event Status
Bits 7-0 correspond 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.
-169-
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
Publication Release Date: May 25, 2007
W83627UHG
Revision 1.0
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