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Chapter 37 Output Compare

5.Operation
5. Operation
5.1 Output Compare Output (Independent Reversal) CMODE=“0”

(1) Free-run timer clear/reset

(2) Compare value setting

(3) Enable compare operation (CST=“1”)

(4) Free-run timer count up (example of 1 clock in 4)

(5) Compare free-run timer value and compare value and match (compare match).

(6) Free-run timer clear from compare match (free run timer 2)

(7) OCU output level reversal

(8) Compare match interrupt request generation

(5)
(6)
Peripheral
clock (CLK)
BFFEh BFFFhFree-run timer 2
Interrupt
request
BFFFh
Compare register value
0001
Compare-match signal
OCU pin output
0000
(7)
(8)
Free-run timer 2 clear
Interrupt request
OCU Output
(3)
(2)
Free-run
timer 0
count
Time
BFFFh
0000 h
BFFFhCompare register value
(4)
(1)
CST
(7)
(8)
(6)
Clear in
software
Compare-match clear Compare-match clear
0000
BFFFh
(4)
(1)
(7)
(8)
(6)