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PRODUCT OVERVIEW
PIN CIRCUITS
Interrupt with reset (INTR) is assigned to port 0 of S3C80A5B.
It is designed to release stop status with reset. When the falling/rising edge is detected at any pin of Port
0 during stop status, non vectored interrupt INTR signal occurs, after then system reset occurs
automatically. It is designed for a application which are using "stop mode" like remote controller. If stop
mode is not used, INTR do not operates and it can be discarded.
1-6
Pull-up
Enable
Data
Output
Disable
External
Interrupt
Stop
Figure 1-3. Pin Circuit Type 1 (Port 0)
V
DD
Pull-up
Resistor
V
DD
V
SS
Noise
filter
INTR (Interrupt with RESET)
NOTE
Input/Output
S3C80A5B
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