612
•
Module stop mode
As the initial setting, PWM operation is halted. Register access is enabled by clearing
module stop mode.
17.1.2
Block Diagram
Figure 17-1 shows a block diagram of PWM channel 1.
PWCNT1
PWCYR1
PWDTR1A
12 9
0
PWPR1
P/N
P/N
PWM1A
PWM1B
PWBFR1A
12 9
0
PWDTR1C
P/N
P/N
PWM1C
PWM1D
PWBFR1C
PWDTR1E
P/N
P/N
PWM1E
PWM1F
PWBFR1E
PWDTR1G
P/N
P/N
PWM1G
PWM1H
PWBFR1G
PWCR1
PWOCR1
Compare
match
Interrupt
request
Internal
data bus
Bus interface
Port
control
Legend:
PWCR1:
PWM control register 1
PWOCR1:
PWM output control register 1
PWPR1:
PWM polarity register 1
PWCNT1:
PWM counter 1
PWCYR1:
PWM cycle register 1
PWDTR1A, 1C, 1E, 1G: PWM duty registers 1A, 1C, 1E, 1G
PWBFR1A, 1C, 1E, 1G: PWM buffer registers 1A, 1C, 1E, 1G
ø, ø/2, ø/4, ø/8, ø/16
Figure 17-1 Block Diagram of PWM Channel 1
Содержание H8S/2645
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