SH7206 Datasheet, PDF (980/1188 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 20 I/O Ports
20.3.3 Port B Port Register (PBPR)
PBPR is a 16-bit read-only register, in which bits PB9PR, PB5PR to PB2PR correspond to pins
PB9/IRQ7/A21/ADTRG and PB5/IRQ3/POE3/CASL to PB2/IRQ0/POE0/SCL, respectively.
PBPR always returns the states of the pins regardless of the PFC setting.
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
-
-
-
-
-
-
PB9
PR
-
-
-
PB5 PB4 PB3 PB2
PR PR PR PR
-
-
Initial value: 0
0
0
0
0
0 PB9 -
-
- PB5 PB4 PB3 PB2 -
-
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
PB9PR Pin state R
8 to 6 

R
5
PB5PR Pin state R
4
PB4PR Pin state R
3
PB3PR Pin state R
2
PB2PR Pin state R
1, 0


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.
Reserved
These bits are always read as undefined values and
cannot be modified.
The pin state is returned regardless of the PFC setting.
These bits cannot be modified.
Reserved
These bits are always read as undefined values and
cannot be modified.
Rev. 3.00 Jun. 18, 2008 Page 956 of 1160
REJ09B0191-0300