5-2 registers – Panasonic MN101C77C User Manual

Page 172

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Chapter 4 I/O Ports

IV - 22

Port 5

4-5-2

Registers

Figure 4-5-1 Port 5 Registers

0

1

2

4

5

6

7

3

P5OUT

P5OUT4 P5OUT3 P5OUT2 P5OUT1 P5OUT0

0

1

Low (V

SS

level)

Output data

High (V

DD

level)

P5OUT

0

1

2

4

5

6

7

3

P5IN

P5IN4

P5IN3

P5IN2

P5IN1

P5IN0

0

1

Pin is Low (V

SS

level).

Input data

Pin is High (V

DD

level).

P5IN

0

1

2

4

5

6

7

3

P5DIR

P5DIR4 P5DIR3 P5DIR2 P5DIR1 P5DIR0

0

1

Input mode

I/O mode selection

Output mode

P5DIR

0

1

2

4

5

6

7

3

P5PLU

P5PLU4 P5PLU3 P5PLU2 P5PLU1 P5PLU0

0

1

No pull-up resistor

Pull-up resistor selection

Pull-up resistor

P5PLU

Port 5 output register (P5OUT : x'03F15', R/W)

Port 5 input register (P5IN : x'03F25', R)

Port 5 direction control register (P5DIR : x'03F35', R/W)

Port 5 pull-up resistor control register (P5PLU : x'03F45', R/W)

( At reset : - - - 0 0 0 0 0 )

( At reset : - - - 0 0 0 0 0 )

( At reset : - - - X X X X X )

( At reset : - - - 0 0 0 0 0 )

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