CHAPTER 9 TIMER/COUNTER FUNCTION
277
User’s Manual U15195EJ5V0UD
(c) When BFCMnx = 0000H is set
Figure 9-35. Operation Timing in PWM Mode 2 (Sawtooth Wave, BFCMnx = 0000H) (1/2)
(a) Operation timing of compare registers 0n0 to 0n2 (CM0n0 to CM0n2)
t
t
W
W
W
CM0n3
CM0n3
CM0n3
a
CM0nx
match
CM0nx
match
CM0nx
match
CM0nx
match
b
b
b
b
b
a
a
TM0n
count value
Positive phase
(TO0n0, TO0n2, TO0n4)
Negative phase
(TO0n1, TO0n3, TO0n5)
Interrupt request
BFCMnx
DTMnx
F/F
CM0nx
0000H
Note
INTCM0n3
INTCM01x
INTCM01x
INTCM01x
INTCM01x
INTCM0n3
INTCM0n3
Note
Set at the rising edge of the TM0CEn bit.
Remarks 1.
n = 0, 1
2.
x = 0 to 2
3.
t: Dead time = (DTRRn + 1)/f
CLK
(f
CLK
: Base clock)
4.
The above figure shows an active-high case.
5.
W: Width between CM0n3 match and CM0nx match (timer count clock)
6.
INTCM01x is generated on a match between TM01 and CM01x (a in the above figure).
INTCM00x is not generated.
Содержание PD703114
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