SH7720 Datasheet, PDF (1229/1524 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series

Section 34 Pin Function Controller (PFC)
34.1.15 Port S Control Register (PSCR)
PSCR is a 16-bit readable/writable register that selects the pin function and input pull-up MOS
control.
Initial
Bit
Bit Name Value
15 to 10 
All 0
9
PS4MD1 1
8
PS4MD0 0
7
PS3MD1 1
6
PS3MD0 0
5
PS2MD1 1
4
PS2MD0 0
3
PS1MD1 1
2
PS1MD0 0
1
PS0MD1 1
0
PS0MD0 0
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
PS4 Mode
00: Other functions (See table 34.1.)
01: Port output
10: Port input (Pull-up MOS: On)
11: Port input (Pull-up MOS: Off)
PS3 Mode
00: Other functions (See table 34.1.)
01: Port output
10: Port input (Pull-up MOS: On)
11: Port input (Pull-up MOS: Off)
PS2 Mode
00: Other functions (See table 34.1.)
01: Port output
10: Port input (Pull-up MOS: On)
11: Port input (Pull-up MOS: Off)
PS1 Mode
00: Other functions (See table 34.1.)
01: Port output
10: Port input (Pull-up MOS: On)
11: Port input (Pull-up MOS: Off)
PS0 Mode
00: Other functions (See table 34.1.)
01: Port output
10: Port input (Pull-up MOS: On)
11: Port input (Pull-up MOS: Off)
Rev. 3.00 Jan. 18, 2008 Page 1167 of 1458
REJ09B0033-0300