Chapter 3 Port Functions

P70 to P71

Pull-up/pull-down resistor control

 

Pull-up/pull-down resistor selection

 

I/O direction control

bus

Data

 

Port output data

 

Port input data

Reset

R

D Q

Write LRead

Reset

R

D Q

Write LRead

Reset

R

D Q

Write LRead

Reset

 

R

 

D Q

 

Write L

Read

Read

 

 

P70

P71

Pull-up/

Control bit

P7PLUD0

P7PLUD1

pull-down

 

 

 

 

Register

P7PLUD

 

 

resistor control

 

 

(address)

(X'03F47')

 

 

Pull-up/

Control bit

P7RDWN

 

 

pull-down

Register

FLOAT1

 

 

resistor control

(address)

(X'03F4B')

 

 

I/O direction

Control bit

P7DIR0

P7DIR1

 

 

 

control

Register

P7DIR

 

 

 

(address)

(X'03F37')

 

 

Port input

Control bit

P7IN0

P7IN1

Register

P7IN

 

 

 

(address)

(X'03F27')

 

 

Port output

Control bit

P7OUT0

P7OUT1

Register

P7OUT

 

 

 

(address)

(X'03F17')

 

 

Figure 3-3-7

Configuration and Functions of P70

 

 

I/O Port Configuration and Functions

53

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Panasonic MN101C00 P70 to P71, P70 P71, Direction, Control, Port input, Port output, Configuration and Functions of P70