Datasheet

I/O Ports with Key Wake-up
Key Wake-Up Input Filter
MC68HC912DT128A — Rev 4.0 Technical Data
MOTOROLA I/O Ports with Key Wake-up 155
Figure 11-1. STOP Key Wake-up Filter
Glitch, filtered out, no STOP wake-up
Valid STOP Wake-Up pulse
t
KWSTP
min.
t
KWSP
Minimum time interval between pulses to be recognized as single pulses
t
KWSTP
max.
Frees
cale Semiconductor,
I
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