Renesas PROM Programming Adapter PCA7408 Manual do Utilizador Página 48

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M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
Rev.1.00 Oct 01, 2002 page 48 of 110
REJ03B0134-0100Z
Fig. 8.7.4 PWM Output Control Register 1
Fig. 8.7.5 PWM Output Control Register 2
b7b
6 b
5b
4b
3 b
2b
1b0
P
W
M
o
u
t
p
u
t
c
o
n
t
r
o
l
r
e
g
i
s
t
e
r
1
(
P
W
)
[
A
d
d
r
e
s
s
0
0
D
5
B
After reset
RW
PWM Output Control Register 1
0
1
2
3
4
0
N
a
m
eFunctions
DA, PWM count source
selection bit (PW0)
0
:
C
o
u
n
t
s
o
u
r
c
e
s
u
p
p
l
y
1
:
C
o
u
n
t
s
o
u
r
c
e
s
t
o
p
P
00/
P
W
M
0
o
u
t
p
u
t
s
e
l
e
c
t
i
o
n
b
i
t
(
P
W
2
)
0
:
P
0
0
o
u
t
p
u
t
1
:
P
W
M
0
o
u
t
p
u
t
P
0
1/
P
W
M
1
o
u
t
p
u
t
s
e
l
e
c
t
i
o
n
b
i
t
(
P
W
3
)
0: P0
1 output
1: PWM1 output
P0
2/PWM2 output
selection bit (PW4)
0
:
P
0
2
o
u
t
p
u
t
1
:
P
W
M
2
o
u
t
p
u
t
5
P0
3/PWM3 output
selection bit (PW5)
0
:
P
0
3
o
u
t
p
u
t
1
:
P
W
M
3
o
u
t
p
u
t
6
P0
4/PWM4 output
selection bit (PW6)
0
:
P
0
4
o
u
t
p
u
t
1
:
P
W
M
4
o
u
t
p
u
t
D
A
/
P
N
4
s
e
l
e
c
t
i
o
n
b
i
t
(
P
W
1
)
0
:
D
A
o
u
t
p
u
t
1
:
P
N
4
o
u
t
p
u
t
7
P0
5/PWM5 output
selection bit (PW7)
0
:
P
0
5
o
u
t
p
u
t
1
:
P
W
M
5
o
u
t
p
u
t
0
0
0
0
0
0
0
1
6]
RW
RW
RW
RW
RW
RW
RW
RW
0
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
R
2
3
4
DA output polarity
selection bit (PN2)
0
:
P
o
s
i
t
i
v
e
p
o
l
a
r
i
t
y
1
:
N
e
g
a
t
i
v
e
p
o
l
a
r
i
t
y
PWM output polarity
selection bit (PN3)
DA general-purpose
output bit (PN4)
0
:
O
u
t
p
u
t
L
O
W
1
:
O
u
t
p
u
t
H
I
G
H
5
t
o
7
0
0
0
0
:
P
o
s
i
t
i
v
e
p
o
l
a
r
i
t
y
1
:
N
e
g
a
t
i
v
e
p
o
l
a
r
i
t
y
R
W
R
W
R
W
0
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
R
b
7
b
6
b
5
b
4
b
3
b
2
b
1b
0
P
W
M
o
u
t
p
u
t
c
o
n
t
r
o
l
r
e
g
i
s
t
e
r
2
(
P
N
)
[
A
d
d
r
e
s
s
0
0
D
6
1
6
]
B
A
f
t
e
r
r
e
s
e
t
R
W
P
W
M
O
u
t
p
u
t
C
o
n
t
r
o
l
R
e
g
i
s
t
e
r
2
N
a
m
e
F
u
n
c
t
i
o
n
s
0
,
1
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