SH7137 Datasheet, PDF (893/1160 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 21 I/O Ports
Table 21.6 Port D Data Register L (PDDRL) Read/Write Operations
• PDDRL Bits 10 to 0
PDIOR Pin Function
0
General input
Other than
general input
1
General output
Other than
general output
Read
Pin state
Pin state
PDDRL value
PDDRL value
Write
Can write to PDDRL, but it has no effect on pin
state
Can write to PDDRL, but it has no effect on pin
state
Value written is output from pin
Can write to PDDRL, but it has no effect on pin
state
21.3.3 Port D Port Register L (PDPRL)
The port D port register L (PDPRL) is a 16-bit read-only register that always returns the states of
the pins regardless of the PFC setting. Bits PD10PR to PD0PR correspond to pins PD10 to PD0
(multiplexed functions omitted here).
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
-
-
-
-
-
PD10 PD9 PD8 PD7 PD6 PD5 PD4 PD3 PD2 PD1 PD0
PR PR PR PR PR PR PR PR PR PR PR
Initial value: 0
0
0
0
0
*
*
*
*
*
*
*
*
*
*
*
R/W: R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Rev. 2.00 Sep. 10, 2008 Page 867 of 1130
REJ09B0402-0200