2 register descriptions – Panasonic MN103001G/F01K User Manual

Page 382

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I/O Ports

15-16

15.4.2 Register Descriptions

Port 2 is a general-purpose input/output port that is also used for data bus signals D[15:8].

Each register for port 2 is described below.

Port 2 output register

Register symbol: P2OUT

Address:

x'36008004

Purpose:

This register sets the data to be output on port 2.

Bit No.

7

6

5

4

3

2

1

0

Bit name

P27O P26O P25O P24O P23O P22O P21O P20O

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 2 pin register

Register symbol: P2IN
Address:

x'36008084

Purpose:

This register reads the values of the port 2 pins.

Bit No.

7

6

5

4

3

2

1

0

Bit name

P27I

P26I

P25I

P24I

P23I

P22I

P21I

P20I

Reset

X

X

X

X

X

X

X

X

Access

R

R

R

R

R

R

R

R

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