Panasonic MN101C77C, F77G user manual Block diagram P00

Models: F77G MN101C77C

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Chapter 4 I/O Ports

4-2-3 Block Diagram

Pull-up resistor control

I/O direction control

Port output data

Port input data

Serial interface 1 transmission data output/ UART transmission data output

SC1MD1 register

SC1SBOS flag

Nch open-drain control

Pull-up resistor control

I/O direction control

Port output data

Port input data

Serial interface 4 transmission data output

Serial interface 1 reception data input /UART 1 reception data input Serial interface 4 reception data input

SC4AD1 register

SELI2C flag

 

Reset

 

 

 

R

P0PLU0

 

 

 

D Q

 

 

 

Write

L

Read

 

 

 

Reset

 

 

 

R

P0DIR0

 

 

 

D Q

 

 

 

Write

L

Read

 

 

Data

Reset

 

 

 

P0OUT0

0

M

bus

R

D Q

 

 

U

 

 

 

Write

L

Read

1

 

X

 

 

 

 

 

 

P0IN0

 

 

 

Read

 

 

 

Figure 4-2-2 Block diagram (P00)

 

Reset

 

 

 

 

R

SC4ODC00

 

 

 

D Q

 

 

 

Write

L

Read

 

 

 

Reset

 

 

 

 

R

P0PLU1

 

 

 

D Q

 

 

 

Write

L

Read

 

 

Data

Reset

 

 

 

R

P0DIR1

 

 

bus

D Q

 

 

 

 

Read

 

 

Write

L

 

 

 

Reset

 

 

M

 

R

P0OUT1

0

 

U

 

D Q

 

1

Write

L

Read

X

 

 

 

P0IN1

 

 

 

Read

 

 

 

Figure 4-2-3 Block diagram (P01)

P00

P01

IV - 8

Port 0

Page 158
Image 158
Panasonic MN101C77C, F77G user manual Block diagram P00