參數(shù)資料
型號: M38503E4SS
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 單芯片8位CMOS微機
文件頁數(shù): 30/86頁
文件大小: 1193K
代理商: M38503E4SS
30
3850 Group (Spec. H)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Fig. 29 Structure of PWM control register
Fig. 30 PWM output timing when PWM register or PWM prescaler is changed
I
Note
The PWM starts after the PWM function enable bit is set to enable and
L
level is output from the PWM pin.
The length of this
L
level output is as follows:
sec
(Count source selection bit = 0, where n is the value set in the prescaler)
sec
(Count source selection bit = 1, where n is the value set in the prescaler)
n+1
2
f(X
IN
)
n+1
f(X
IN
)
P
(
W
W
P
M
M
c
C
o
n
t
N
r
o
l
a
r
e
d
g
d
i
r
s
e
t
e
s
r
s
W
O
:
0
0
1
D
1
6
)
P
M
:
f
W
W
u
n
M
M
c
t
i
o
i
n
n
s
a
e
b
b
n
l
l
e
a
e
d
b
d
l
e
b
i
t
C
o
0
1
u
n
f
f
t
(
(
X
I
X
I
s
o
N
)
N
)
u
r
/
c
(
2
e
(
(
s
e
I
X
C
l
N
)
e
c
I
N
)
t
a
i
o
t
/
2
n
l
o
b
w
a
i
-
t
N
o
t
u
s
e
d
(
r
e
t
u
r
n
0
w
h
e
n
r
e
a
d
)
b
7
b
0
0
1
:
P
P
d
e
a
:
f
X
C
f
(
s
l
o
p
w
e
e
-
s
d
p
e
m
e
o
d
d
e
m
)
o
:
t
d
e
)
A
B
C
B
T
C
T
2
=
PWM output
P
w
W
r
M
e
s
r
i
e
g
g
n
i
a
s
t
l
e
r
i
t
PWM prescaler
write signal
(C
h
a
n
g
e
s
H
t
e
r
m
f
r
o
m
A
t
o
B
.
)
(Changes PWM period from
T
to
T2
.)
When the contents of the PWM register or PWM prescaler have changed, the PWM
output will change from the next period after the change.
T
T
T2
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