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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