KS57C2308/P2308/C2316/P2316 I/O PORTS
10-7
PORT 1 CIRCUIT DIAGRAM
VDD
PUMOD.1
INT0
P1.1
P1.2
P1.3
P1.0 N/R
Circuit
INT1 INT2 TCL0
INT0
CPU clock fxx/64
INT1
Edge Detection IRQ0
IMOD0 IMOD1
Clock
Selector
P1.1 P1.0
Edge Detection
IRQ1
Noise Filter
IMOD0
Figure 10-2. Port 1 Circuit Diagram