SH7764 Datasheet, PDF (1457/1752 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 27 General Purpose I/O (GPIO)
27.2.33 Pin Select Register 11 (PTSEL_P)
PTSEL_P is a 16-bit readable/writable register that selects the functions for the pins that multiplex
two or more functions other than the port function.
Bit: 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0




PTSEL_ PTSEL_ PTSEL_ PTSEL_
11
10
9
8








Initial value: 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W: R
R
R
R R/W R/W R/W R/W R
R
R
R
R
R
R
R
Bit
Bit Name
15 to 12 
11
PTSEL_P11
10
PTSEL_P10
9
PTSEL_P9
8
PTSEL_P8
7 to 0 
Initial Value R/W
All 0
R
0
R/W
0
R/W
0
R/W
0
R/W
All 0
R
Description
Reserved
These bits are always read as 0. The write
value should always be 0.
Port P (PP11) Function Select
0: RXD0 function
1: AUDATA0 function
Port P (PP10) Function Select
0: TXD0 function
1: AUDATA1 function
Port P (PP9) Function Select
0: RXD1 function
1: AUDATA2 function
Port P (PP8) Function Select
0: TXD1 function
1: AUDATA3 function
Reserved
These bits are always read as 0. The write
value should always be 0.
Rev. 1.00 Nov. 22, 2007 Page 1401 of 1692
REJ09B0360-0100