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(2)
Port B Output Data Register (PBODR)
PBDR stores output data for the port B pins.
Bit
Bit Name
7
PB7DR
6
PB6DR
5
PB5DR
4
PB4DR
3
PB3DR
2
PB2DR
1
PB1DR
0
PB0DR
(3)
Port B Input Data Register (PBPIN)
PBPIN indicates the states of the port B pins.
Bit
Bit Name
7
PB7PIN
6
PB6PIN
5
PB5PIN
4
PB4PIN
3
PB3PIN
2
PB2PIN
1
PB1PIN
0
PB0PIN
Note:
* The initial values are determined in accordance with the pin states of PB7 to PB0.
Initial Value
R/W Description
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
Initial Value
R/W
Undefined*
R
Undefined*
R
Undefined*
R
Undefined*
R
Undefined*
R
Undefined*
R
Undefined*
R
Undefined*
R
PBODR stores output data for the port B pins that are
used as the general output port.
Description
When this register is read, the pin states are read.
Since this register is allocated to the same address as
P8DDR, writing to this register writes data to P8DDR
and the port 8 setting is changed.
Rev. 1.00 Mar. 12, 2008 Page 331 of 1178
Section 8 I/O Ports
REJ09B0403-0100
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