Port C Data Register (Pcdr); Port C Register (Portc) - Renesas H8S Series Hardware Manual

Section 9 I/O Ports
9.6.2

Port C Data Register (PCDR)

PCDR is an 8-bit readable/writable register that stores output data for the port C pins.
Bit Bit Name
7 PC7DR
6 PC6DR
5 PC5DR
4 PC4DR
3 PC3DR
2 PC2DR
1 PC1DR
0 PC0DR
9.6.3

Port C Register (PORTC)

PORTC is an 8-bit read-only register that shows port C pin states.
PORTC cannot be modified.
Bit Bit Name
7 PC7
6 PC6
5 PC5
4 PC4
3 PC3
2 PC2
1 PC1
0 PC0
Note: * Determined by the states of pins PC7 to PC0.
Rev. 6.00 Mar 15, 2006 page 148 of 570
REJ09B0211-0600
Initial Value R/W
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
Description
Output data for a pin is stored when the pin is
specified as a general purpose I/O port.
Description
If a port C read is performed while PCDDR bits are
set to 1, the PCDR values are read. If a port C read
is performed while PCDDR bits are cleared to 0, the
pin states are read.