Renesas SH7781 User Manual

Page 1420

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28. General Purpose I/O Ports (GPIO)

Rev.1.00 Jan. 10, 2008 Page 1390 of 1658
REJ09B0261-0100

Bit Bit

Name

Initial
value R/W Description

9

8

PB4MD1

PB4MD0

0

0

R/W

R/W

PB4 Mode

00: LBSC/PCIC module (D52/AD20)*

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)

7

6

PB3MD1

PB3MD0

0

0

R/W

R/W

PB3 Mode

00: LBSC/PCIC module (D51/AD19)*

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)

5

4

PB2MD1

PB2MD0

0

0

R/W

R/W

PB2 Mode

00: LBSC/PCIC module (D50/AD18)*

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)

3

2

PB1MD1

PB1MD0

0

0

R/W

R/W

PB1 Mode

00: LBSC/PCIC/DU module (D49/AD17/DB5)*

01: Port output

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

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

1

0

PB0MD1

PB0MD0

0

0

R/W

R/W

PB0 Mode

00: LBSC/PCIC/DU module (D48/AD16/DB4)*

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 pin (MODE11 and

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

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