SH7730 Datasheet, PDF (999/1188 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7780 Series

Section 29 Pin Function Controller (PFC)
29.2.15 Port R Control Register (PRCR)
PRCR is a 16-bit readable/writable register that selects pin functions and input pull-up MOS
control.
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
— — — — — — — — — — PR2MD[1:0] PR1MD[1:0] PR0MD[1:0]
Initial value: 0
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
R/W: R R R R R R R R R R R/W R/W R/W R/W R/W R/W
Bit
Bit Name
15 to 6 
Initial
Value
All 0
5, 4
PR2MD[1:0] 10
3, 2
PR1MD[1:0] 10
1, 0
PR0MD[1:0] 10
R/W Description
R
Reserved
These bits are always read as 0. The write value should
always be 0.
R/W PR2 Mode
00: Other functions (See table 29.1)
01: Port output
10: Port input (Pull-up MOS: On)
11: Port input (Pull-up MOS: Off)
R/W PR1 Mode
00: Other functions (See table 29.1)
01: Setting prohibited
10: Port input (Pull-up MOS: On)
11: Port input (Pull-up MOS: Off)
R/W PR0 Mode
00: Other functions (See table 29.1)
01: Port output
10: Port input (Pull-up MOS: On)
11: Port input (Pull-up MOS: Off)
Rev. 1.00 Sep. 19, 2007 Page 951 of 1136
REJ09B0359-0100