Panasonic MN101C77C - Manual (Page 161)

IV - 11
Chapter 4 I/O Ports
Port 0
Figure 4-2-8 Block Diagram (P06)
R
D
L
Q
Reset
Write Read
R
D
L
Q
Reset
Write Read
D
L
Q
Write Read
Read
R
Reset
Pull-up resistor control
I/O direction control
Port output data
DLYCTR register bp7
Buzzer output
Port input data
Data bus
0
1
P06
P0PLU6
P0DIR6
P0OUT6
P0IN6
M
U
X