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2 register descriptions – Panasonic MN103001G/F01K User Manual

Page 420

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I/O Ports

15-54

15.12.2 Register Descriptions

Port A is a general-purpose input/output port that is also used for address bus signals A[7:0], and address/

data signals ADM[7:0].

Each register for port A is described below.

Port A output register

Register symbol: PAOUT

Address:

x'36008014

Purpose:

This register sets the data to be output on port A.

Bit No.

7

6

5

4

3

2

1

0

Bit name

PA7O PA6O PA5O PA4O PA3O PA2O PA1O PA0O

Reset

0

0

0

0

0

0

0

0

Access

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

Port A pin register

Register symbol: PAIN
Address:

x'36008094

Purpose:

This register reads the value of the port A pins.

Bit No.

7

6

5

4

3

2

1

0

Bit name

PA7I PA6I PA5I PA4I PA3I PA2I PA1I PA0I

Reset

X

X

X

X

X

X

X

X

Access

R

R

R

R

R

R

R

R