I/O PORTS KS57C2308/P2308/C2316/P2316
10-6
PORT 0 CIRCUIT DIAGRAM
SCKSCK SO SI
SMOD
VDD
When and SO act 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:
PUMOD.0
INT4
8
P0.0/INT4
P0.2/SO
P0.3/SI
P0.1/SCK
SCK
Figure 10-1. Port 0 Circuit Diagram