r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1810

• 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)
40.2.38 Input-Pin Pull-Up Control Register (PPUPR)
PPUPR is an 8-bit readable/writable register that individually controls the pull-up for the pin
connected to each bit.
Rev. 1.00 Oct. 01, 2007 Page 1744 of 1956
REJ09B0256-0100
Bit
7 to 3
2
1
0
Bit Name
—
IOIS16UP
BREQPUP
RDYPUP
Initial value:
Initial
value
All 1
1
1
1
R/W:
Bit:
—
R
7
1
R/W
R
R/W
R/W
R/W
—
R
6
1
Description
Reserved
These bits are always read as 1, and the write value
should always be 1.
Controls pull-up of the IOIS16 pin
0: IOIS16 pin pull-up off
1: IOIS16 pin pull-up on
Controls pull-up of the BREQ pin
0: BREQ pin pull-up off
1: BREQ pin pull-up on
Controls pull-up of the RDY/PCC_WAIT pin
0: RDY/PCC_WAIT pin pull-up off
1: RDY/PCC_WAIT pin pull-up on
—
R
5
1
—
R
4
1
—
R
3
1
IOIS16UP BREQPUP RDYPUP
R
2
1
R/W
1
1
R/W
0
1