beautypg.com

Renesas SH7781 User Manual

Page 1447

background image

28. General Purpose I/O Ports (GPIO)

Rev.1.00 Jan. 10, 2008 Page 1417 of 1658

REJ09B0261-0100

Bit Bit

Name

Initial
value R/W Description

3

2

PR1MD1

PR1MD0

0

0

R/W

R/W

PR1 Mode

00: LBSC/PCIC module (

WE5/CBE1)*

When the bus mode is set to DU via the bus-mode
pins (MODE11 and MODE12), port input (pull-up
MOS: On) is selected.

01: Port output

10: Port input (pull-up MOS: Off)

11: Port input (pull-up MOS: On)

1

0

PR0MD1

PR0MD0

0

0

R/W

R/W

PR0 Mode

00: LBSC/PCIC module (

WE4/CBE0)*

When the bus mode is set to DU via the bus-mode
pins (MODE11 and MODE12), port input (pull-up
MOS: On) is selected.

01: Port output

10: Port input (pull-up MOS: Off)

11: Port input (pull-up MOS: On)

Note: * The module that uses the pin can be selected by the bus-mode pins (MODE11 and

MODE12). For the details on setting the bus mode pin, refer to the Appendix.