SH7763 Datasheet, PDF (1812/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 40 General Purpose I/O (GPIO)
40.2.40 Pin Select Register 1 (PSEL1)
PSEL1 is a 16-bit readable/writable register that selects the functions of the Port D (PTD), Port E
(PTE), Port F (PTF), Port G (PTG), and Port H (PTH) pins multiplexed with “other function”.
When using the pins with “other function” assigned, set PSEL1 and then set the corresponding
port control register to select “other function”.
Bit: 15
—
Initial value: 0
R/W: R
14 13 12
PTSEL1[14:12]
1
0
0
R/W R/W R/W
11
1
R/W
10 9
PTSEL1[11:8]
0
0
R/W R/W
8
0
R/W
7
1
R/W
6
5
PTSEL1[7:4]
0
0
R/W R/W
4
0
R/W
3
1
R/W
2
1
PTSEL1[3:0]
0
0
R/W R/W
0
0
R/W
Bit
Bit Name
15
—
14 to 12 PTSEL1
[14:12]
Initial
value
0
100
R/W
R
R/W
Description
Reserved
This bit is always read as 0, and the write value should
always be 0.
These bits select the function of Port H (PTH).
Bit setting Selected function
PTSEL1[14:12] PTH
1xx
PCIC*
01x
MII1
001
RMII1M
000
TPU
[Legend]
x: Don't care
Note: * When clearing interrupt mask of the
interrupt controller (INTC) with the PCIC
function selected, make sure to select the
PCIC function with this register in advance.
Rev. 1.00 Oct. 01, 2007 Page 1746 of 1956
REJ09B0256-0100