Block Diagram - Panasonic F77G User Manual

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
IV - 8
Port 0
Reset
P0PLU0
R
D Q
Write
L Read
Reset
P0DIR0
R
D Q
Write
L Read
Reset
P0OUT0
R
D Q
Write L
Read
P0IN0
Read
Figure 4-2-2 Block diagram (P00)
Reset
SC4ODC00
R
D Q
Write L
Read
Reset
P0PLU1
R
D Q
Write
L Read
Reset
P0DIR1
R
D Q
Write L Read
Reset
P0OUT1
R
D Q
Write L
Read
P0IN1
Read
Figure 4-2-3 Block diagram (P01)
M
0
U
1
X
M
0
U
1
X
P00
P01