m38039mf-xxxsp Mitsumi Electronics, Corp., m38039mf-xxxsp Datasheet - Page 65

• Manufacturer Part Number: m38039mf-xxxsp
• Description: Single-chip 8-bit Cmos Microcomputer
• Manufacturer: Mitsumi Electronics, Corp.

Fig. 55 Structure of PWM control register
Fig. 56 PWM output timing when PWM register or PWM prescaler is changed
b 7
PWM prescaler
PWM register
PWM output
write signal
write signal
When the contents of the PWM register or PWM prescaler have changed, the PWM
output will change from the next period after the change.
b 0
PWM control register
(PWMCON : address 002B
P W M f u n c t i o n e n a b l e b i t
C o u n t s o u r c e s e l e c t i o n b i t
N o t u s e d ( r e t u r n “ 0 ” w h e n r e a d )
0 : P W M d i s a b l e d
1 : P W M e n a b l e d
0 : f ( X
1 : f ( X
A
I N
I N
)
) / 2
T
(Changes “H” term from “A” to “B”.)
16
)
(Changes PWM period from “T” to “T2”.)
B
T
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
C
3803/3804 Group
T 2
B
T
=
T2
C
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