SH7751 Datasheet, PDF (1023/1224 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

22. PCI Controller (PCIC)
Bit 3—Port 1 Pull-up Resistance Control (PB1PUP): Controls pull-up resistance when
PCIREQ3 pin is used as port.
Bit 3: PB1PUP
0
1
Description
Pull-up PCIREQ3 pin
Do not pull-up PCIREQ3 pin
(Initial value)
Bit 2—Port 1 Input/Output Control (PB1IO): Controls input or output when PCIREQ3 is used
as a port.
Bit 2: PB1IO
0
1
Description
Set PCIREQ3 pin for input
Set PCIREQ3 pin for output
(Initial value)
Bit 1—Port 0 Pull-up Resistance Control (PB0PUP): Controls pull-up resistance when
PCIREQ2 pin is used as port.
Bit 1: PB0PUP
0
1
Description
Pull-up PCIREQ2 pin
Do not pull-up PCIREQ2 pin
(Initial value)
Bit 0—Port 0 Input/Output Control (PB0IO): Controls input or output when PCIREQ2 is used
as a port.
Bit 0: PB0IO
0
1
Description
Set PCIREQ2 pin for input
Set PCIREQ2 pin for output
(Initial value)
Rev.4.00 Oct. 10, 2008 Page 925 of 1122
REJ09B0370-0400