Renesas PCA7429G02 Informations techniques Page 131

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128
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37272M6/M8–XXXSP/FP, M37272MA–XXXSP
M37272E8SP/FP, M37272EFSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.3
b7 b6 b5 b4 b3 b2 b1 b0
Interrupt input polarity register (RE) [Address 00DC
16]
B Name Functions After reset R W
Interrupt Input Polarity Register
INT1 polarity switch bit
(INT1)
0
0
0
0 : Positive polarity
1 : Negative polarity
0
4
0 : Positive polarity
1 : Negative polarity
5
4
to
7
INT2 polarity switch bit
(INT2)
INT3 polarity switch bit
(INT3)
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
0
RW
RW
RW
R—
0 : Positive polarity
1 : Negative polarity
b
7b
6b
5b
4b
3b
2b
1b
0
D
a
t
a
s
l
i
c
e
r
c
o
n
t
r
o
l
r
e
g
i
s
t
e
r
1
(
D
S
C
1
)
[
A
d
d
r
e
s
s
0
0
E
0
1
6
]
D
a
t
a
S
l
i
c
e
r
C
o
n
t
r
o
l
R
e
g
i
s
t
e
r
1
00
RW
0RW
2R
e
f
e
r
e
n
c
e
c
l
o
c
k
s
o
u
r
c
e
s
e
l
e
c
t
i
o
n
b
i
t
(
D
S
C
1
2
)
0
:
V
i
d
e
o
s
i
g
n
a
l
1
:
H
S
Y
N
C
s
i
g
n
a
l
0R
W
0RW
0
RW
11
0
:
S
t
o
p
p
e
d
1
:
O
p
e
r
a
t
i
n
g
D
a
t
a
s
l
i
c
e
r
a
n
d
t
i
m
i
n
g
s
i
g
n
a
l
g
e
n
e
r
a
t
i
n
g
c
i
r
c
u
i
t
c
o
n
t
r
o
l
b
i
t
(
D
S
C
1
0
)
F
i
x
t
h
e
s
e
b
i
t
s
t
o
0
.
3
,
4
000
10
:
F
2
1
:
F
1
S
e
l
e
c
t
i
o
n
b
i
t
o
f
d
a
t
a
s
l
i
c
e
r
e
f
e
r
e
n
c
e
v
o
l
t
a
g
e
g
e
n
e
r
a
t
i
n
g
f
i
e
l
d
(
D
S
C
1
1
)
F
i
x
t
h
e
s
e
b
i
t
s
t
o
1
.
5
,
6
D
e
f
i
n
i
t
i
o
n
o
f
f
i
e
l
d
s
1
(
F
1
)
a
n
d
2
(
F
2
)
H
s
e
p
V
s
e
p
F
1
:
H
s
e
p
V
s
e
p
F
2
:
B
A
f
t
e
r
r
e
s
e
t
R
W
N
a
m
eF
u
n
c
t
i
o
n
s
0RWF
i
x
t
h
i
s
b
i
t
t
o
0
.
7
Address 00DC16
Address 00E016
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