Filter
Top Products
Chapter 4 I/O Ports
IV - 36
Port 7
Figure 4-7-9 Block Diagram (P76, P77 )
Read
R
D
L
Q
Reset
Write
Read
R
D
L
Q
Reset
Write
Read
R
D
L
Q
Reset
Write
Read
Read
R
Reset
D
L
Q
Write
Pull-up/down resistor control
Pull-up/down resistor selection
I/O direction control
Port output data
Port input data
Data bus
P76,P77
P7PLUD6,7
P7DIR6,7
FLOAT(bp4)
P7OUT6,7
P7IN6,7
Timer input
0
1
Timer output
Read
R
Reset
D
L
Q
Write
P1OMD6,7
Output mode control
M
U
X