SH7763 Datasheet, PDF (1810/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 40 General Purpose I/O (GPIO)
40.2.38 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.
Bit: 7
6
5
4
3
2
1
0
—
—
—
—
— IOIS16UP BREQPUP RDYPUP
Initial value: 1
1
1
1
1
1
1
1
R/W: R
R
R
R
R
R R/W R/W
Initial
Bit
Bit Name value R/W Description
7 to 3 —
All 1 R
Reserved
These bits are always read as 1, and the write value
should always be 1.
2
IOIS16UP 1
R/W Controls pull-up of the IOIS16 pin
0: IOIS16 pin pull-up off
1: IOIS16 pin pull-up on
1
BREQPUP 1
R/W Controls pull-up of the BREQ pin
0: BREQ pin pull-up off
1: BREQ pin pull-up on
0
RDYPUP 1
R/W 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
Rev. 1.00 Oct. 01, 2007 Page 1744 of 1956
REJ09B0256-0100