M38K09RFS datasheet(280/328 Pages) RENESAS

280 / 328 page

3.4 List of registers

Rev.2.00

Oct 05, 2006

page 39 of 89

38K0 Group

REJ09B0337-0200

APPENDIX

3.4 List of registers

Fig. 3.4.1 Structure of Port Pi

Fig. 3.4.2 Structure of Port Pi direction register

Port Pi

b7 b6 b5 b4 b3 b2 b1 b0

Function

At reset

Name

Port Pi0

Port Pi1

Port Pi2

Port Pi3

Port Pi4

Port Pi5

Port Pi6

Port Pi7

In output mode

Write

Read

Port latch

In input mode

Write : Port latch

Read : Value of pins

Port Pi (Pi) (i = 0, 1, 2, 3, 4, 5, 6) (Note)

[Address : 0016, 0216, 0416, 0616, 0816, 0A16, 0C16]

Note: Since the following ports are not allocated, the corrrsponding bits can not be used.

• P44 to P47

• P64 to P67

Port Pi direction register

b7 b6 b5 b4 b3 b2 b1 b0

Function

At reset

Name

Port Pi direction register

Port Pi direction register (PiD) (i = 0, 1, 2, 3, 4, 5, 6) (Note)

[Address : 0116, 0316, 0516, 0716, 0916, 0B16, 0D16]

0 : Port Pi0 input mode

1 : Port Pi0 output mode

0 : Port Pi1 input mode

1 : Port Pi1 output mode

0 : Port Pi2 input mode

1 : Port Pi2 output mode

0 : Port Pi3 input mode

1 : Port Pi3 output mode

0 : Port Pi4 input mode

1 : Port Pi4 output mode

0 : Port Pi5 input mode

1 : Port Pi5 output mode

0 : Port Pi6 input mode

1 : Port Pi6 output mode

0 : Port Pi7 input mode

1 : Port Pi7 output mode

Note: Since the following ports are not allocated, the corrrsponding bits can not be used.

• P44 to P47

• P64 to P67

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