r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1802

• 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)
40.2.31 Port I Pull-Up Control Register (PIPUPR)
PIPUPR is an 8-bit readable/writable register. Each bit of this register corresponds to PTI7 to
PTI0, and when the pins of Port I are used by “other function”, pull-up control is performed for
the individual pins. The settings in this register are invalid for the pins specified to function as port
pins by PICR.
Rev. 1.00 Oct. 01, 2007 Page 1736 of 1956
REJ09B0256-0100
Bit
7 to 2
1
0
Bit Name
—
PI1PUPR
PI0PUPR
Initial value:
Initial
value
All 1
1
1
R/W:
Bit:
—
R
7
1
R/W
R
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 PTI1 pin
0: PTI1 pin pull-up off
1: PTI1 pin pull-up on
Controls pull-up of the PTI0 pin
0: PTI0 pin pull-up off
1: PTI0 pin pull-up on
—
R
5
1
—
R
4
1
—
R
3
1
—
R
2
1
PI1PUPR PI0PUPR
R/W
1
1
R/W
0
1