h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 272

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 8 I/O Ports
8.14.1
PCDDR and PDDDR select input or output for the pins of port C and port D on a bit-by-bit basis.
Rev. 3.00 Mar 21, 2006 page 218 of 788
REJ09B0300-0300
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Bit Name
PC7DDR
PC6DDR
PC5DDR
PC4DDR
PC3DDR
PC2DDR
PC1DDR
PC0DDR
Bit Name
PD7DDR
PD6DDR
PD5DDR
PD4DDR
PD3DDR
PD2DDR
PD1DDR
PD0DDR
Port C and Port D Data Direction Registers (PCDDR, PDDDR)
Initial Value
Initial Value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W
W
W
W
W
W
W
W
W
R/W
W
W
W
W
W
W
W
W
Description
0: Port C pin is an input pin
1: Port C pin is an output pin
PCDDR has the same address as PCPIN, and if
read, the port C pin states will be returned.
Description
0: Port D pin is an input pin
1: Port D pin is an output pin
PDDDR has the same address as PDPIN, and if
read, the port D pin states will be returned.