r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1812

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

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”.
Rev. 1.00 Oct. 01, 2007 Page 1746 of 1956
REJ09B0256-0100
Initial value:
Bit
15
14 to 12 PTSEL1
R/W:
Bit:
Bit Name
—
[14:12]
15
—
R
0
R/W
14
1
PTSEL1[14:12]
R/W
13
0
Initial
value
0
100
R/W
12
0
R/W
11
1
R/W
R
R/W
R/W
PTSEL1[11:8]
10
0
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).
[Legend]
x: Don't care
Note:
R/W
9
0
R/W
8
0
*
Bit setting
PTSEL1[14:12] PTH
1xx
01x
001
000
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.
R/W
7
1
R/W
PTSEL1[7:4]
6
0
R/W
5
0
Selected function
PCIC*
MII1
RMII1M
TPU
R/W
4
0
R/W
3
1
R/W
PTSEL1[3:0]
2
0
R/W
1
0
R/W
0
0