HD6432646 Hitachi, HD6432646 Datasheet - Page 646

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

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