Panasonic F77G, MN101C77C user manual Block Diagram P70

Models: F77G MN101C77C

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Chapter 4 I/O Ports

4-7-3 Block Diagram

Nch open-drain control

Pull-up/down resistor control

Pull-up/down resistor selection

I/O direction control

Port output data

Port input data

Serial interface 0 transmission data output UART transmission data output

SC0MD1 register

SC0SBOS flag

Pull-up/down resistor control

 

Reset

 

 

 

 

 

 

R

SC0ODC2

 

 

 

 

D Q

 

 

 

 

 

Write

L

 

Read

 

 

 

 

Reset

 

 

 

 

 

 

R

P7PLUD0

 

 

 

 

 

D Q

 

 

 

 

 

Write

L

 

Read

 

 

 

 

Reset

 

 

 

 

 

 

R

FLOAT(bp4)

 

 

 

 

D Q

 

 

 

 

 

Write

L

 

Read

 

 

 

 

Reset

 

 

 

 

Data

 

R

P7DIR0

 

 

 

 

D Q

 

 

 

bus

Write

L

 

Read

 

P70

 

 

 

 

 

 

 

 

Reset

 

 

 

 

 

 

R

P7OUT0

 

0

M

 

 

D Q

 

 

 

U

 

Write

L

 

Read

1

 

 

X

 

 

 

 

 

 

 

 

 

P7IN0

 

 

 

 

 

Read

 

 

 

 

Figure 4-7-3

Block Diagram (P70)

 

Reset

 

 

 

 

 

R

P7PLUD1

 

 

 

 

D Q

 

 

 

 

Pull-up/down resistor selection

I/O direction control

Port output data

Port input data

Serial interface 0 reception data output UART reception data output

 

Write

L

 

Read

 

 

 

Reset

 

 

 

 

 

R

FLOAT(bp4)

 

 

 

D Q

 

 

 

 

Write

L

 

Read

 

Data

 

Reset

 

 

 

 

D Q

P7DIR1

 

 

 

 

R

 

 

 

bus

Write

L

 

Read

P71

 

 

 

 

 

 

 

Reset

 

 

 

 

 

R

P7OUT1

 

 

 

 

D Q

 

 

 

 

Write

L

 

Read

 

 

 

 

P7IN1

 

 

 

 

Read

 

 

 

Figure 4-7-4

Block Diagram (P71)

 

 

 

 

 

Port 7

IV - 33

Page 183
Image 183
Panasonic F77G, MN101C77C user manual Block Diagram P70