KS57C2308/P2308/C2316/P2316 I/O PORTS
10-9
PORT 3 AND 6 CIRCUIT DIAGRAM
VDD
1, 4, 8
1, 4, 8
x = port number (3, 6)
When a port pin acts as an output, its pull-up resistor is automatically
disabled, even though the port's pull-up resistor is enabled by bit settings
to the pull-up resistor mode register (PUMOD).
NOTE:
M
U
X
PMx.2
PMx.3
PMx.1
PMx.0
Px.0
Px.1
Px.2
Px.3
Output
Latch
PUMOD.x
Figure 10-4. Port 3 and 6 Circuit Diagram