SH7211 Datasheet, PDF (892/1228 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family

Section 20 I/O Ports
20.1.3 Port A Port Registers H, L (PAPRH, PAPRL)
PAPRH and PAPRL are 16-bit read-only registers, in which bits PA25PR to PA0PR correspond to
pins PA25 to PA0, respectively. PAPRH and PAPRL always return the states of the pins
regardless of the PFC setting.
(1) Port A Port Register H (PAPRH)
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
-
-
-
-
-
-
PA25 PA24 PA23 PA22 PA21 PA20 PA19 PA18 PA17 PA16
PR PR PR PR PR PR PR PR PR PR
Initial value: 0
0
0
0
0
0 PA25 PA24 PA23 PA22 PA21 PA20 PA19 PA18 PA17 PA16
R/W: R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Initial
Bit
Bit Name Value R/W
15 to 10 ⎯
All 0
R
9
PA25PR Pin state R
8
PA24PR Pin state R
7
PA23PR Pin state R
6
PA22PR Pin state R
5
PA21PR Pin state R
4
PA20PR Pin state R
3
PA19PR Pin state R
2
PA18PR Pin state R
1
PA17PR Pin state R
0
PA16PR Pin state R
Description
Reserved
These bits are always read as 0 and cannot be
modified.
The pin state is returned regardless of the PFC setting.
These bits cannot be modified.
Rev. 2.00 May. 08, 2008 Page 868 of 1200
REJ09B0344-0200