HD6417750RF240V Datasheet, PDF (189/606 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 9 I/O Ports
9.7.2 Port D Data Register (PDDR)
PDDR is an 8-bit readable/writable register that stores output data for the port D pins.
Bit Bit Name
7 PD7DR
6 PD6DR
5 PD5DR
4 PD4DR
3 PD3DR
2 PD2DR
1 PD1DR
0 PD0DR
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
Description
Output data for a pin is stored when the pin is
specified as a general purpose I/O port.
9.7.3 Port D Register (PORTD)
PORTD is an 8-bit read-only register that shows port D pin states.
PORTD cannot be modified.
Bit Bit Name Initial Value R/W Description
7 PD7
6 PD6
5 PD5
4 PD4
Undefined^* R
Undefined^* R
Undefined^* R
Undefined^* R
If a port D read is performed while PDDDR bits are
set to 1, the PDDR values are read. If a port D read
is performed while PDDDR bits are cleared to 0, the
pin states are read.
3 PD3
Undefined^* R
2 PD2
Undefined^* R
1 PD1
Undefined^* R
0 PD0
Undefined^* R
Note: * Determined by the states of pins PD7 to PD0.
Rev. 7.00 Sep. 11, 2009 Page 153 of 566
REJ09B0211-0700