TE
TIO (Event)
TCR
Counter
Interrupt
TE
TIO (Event)
TCR
Counter
Interrupt
42
write to
TCR (N)
N
Figure 18 - Event Counter Mode, External Clock (INV=0)
write to
TCR (N)
N
N
Figure 19 - Event Counter Mode, External Clock (INV=1)
first event
N
N-1
first event
N-1
last event
N
0
last event
N
0
MOTOROLA