SH7144 Datasheet, PDF (605/773 Pages) Renesas Technology Corp – Hitachi SuperH RISC engine

PDDRL:
Bit Bit Name Initial Value R/W
15 PD15DR 0
R/W
14 PD14DR 0
R/W
13 PD13DR 0
R/W
12 PD12DR 0
R/W
11 PD11DR 0
R/W
10 PD10DR 0
R/W
9
PD9DR 0
R/W
8
PD8DR 0
R/W
7
PD7DR 0
R/W
6
PD6DR 0
R/W
5
PD5DR 0
R/W
4
PD4DR 0
R/W
3
PD3DR 0
R/W
2
PD2DR 0
R/W
1
PD1DR 0
R/W
0
PD0DR 0
R/W
Description
See table 18.4
Table 18.4 Port D Data Register (PDDR) Read/Write Operations
PDDRH bits 15 to 0 and PDDRL bits 15 to 0:
PDIORL, H Pin Function
0
General input
Read
Pin state
Other than
general input
Pin state
1
General output PDDRH or L
value
Other than
PDDRH or L
general output value
Write
Can write to PDDRH or PDDRL, but it has no
effect on pin state
Can write to PDDRH or PDDRL, but it has no
effect on pin state
Value written is output from pin
Can write to PDDRH or PDDRL, but it has no
effect on pin state
Rev. 2.0, 09/02, page 565 of 732