Renesas PROM Programming Adapter PCA7408 Manual de usuario Pagina 50

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M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
Rev.1.00 Oct 01, 2002 page 50 of 110
REJ03B0134-0100Z
Fig. 8.8.2 A-D Control Register 1
b
7
b
6
b
5
b
4
b
3
b
2
b
1
b
0
A-D control register 1 (AD1) [Address 00EE16]
B
After reset
RW
A
-
D
C
o
n
t
r
o
l
R
e
g
i
s
t
e
r
1
0
t
o
2
A
na
l
og
i
nput p
i
n se
l
ect
i
on
bits
(ADM0 to ADM2)
N
a
m
eFunctions
b
2
b
1
b
0
0
0
0
:
A
-
D
1
0
0
1
:
A
-
D
2
0
1
0
:
A
-
D
3
0
1
1
:
A
-
D
4
1
0
0
:
A
-
D
5
1
0
1
:
A
-
D
6
1
1
0
:
D
o
n
o
t
s
e
t
1
1
1
:
D
o
n
o
t
s
e
t
4
S
torage
bi
t o
f
compar
i
son
result (ADM4)
0
:
I
n
p
u
t
v
o
l
t
a
g
e
<
r
e
f
e
r
e
n
c
e
v
o
l
t
a
g
e
1
:
I
n
p
u
t
v
o
l
t
a
g
e
>
r
e
f
e
r
e
n
c
e
v
o
l
t
a
g
e
0
I
n
d
eterm
i
nate
0
3
Thi
s
bi
t
i
s a wr
i
te
di
sa
bl
e
bi
t.
When this bit is read out, the value is “0.”
RW
R
R
0
5
to
7
N
ot
hi
ng
i
s ass
i
gne
d
.
Thi
s
bi
ts are wr
i
te
di
sa
bl
e
bi
ts.
When these bits are read out, the values are “0.
R
Fig. 8.8.3 A-D Control Register 2
b
7
b
6
b
5
b
4
b
3
b
2
b
1
b
0
A
-
D
c
o
n
t
r
o
l
r
e
g
i
s
t
e
r
2
(
A
D
2
)
[
A
d
d
r
e
s
s
0
0
E
F
1
6
]
B
A
f
t
e
r
r
e
s
e
t
RW
A
-
D
C
o
n
t
r
o
l
R
e
g
i
s
t
e
r
2
0
to
5
6
,
7
0
0
N
a
m
e
F
u
n
c
t
i
o
n
s
D
-
A
c
o
n
v
e
r
t
e
r
s
e
t
b
i
t
s
(
A
D
C
0
t
o
A
D
C
5
)
b0b1b2 b3 b4
b
5
N
o
t
h
i
n
g
i
s
a
s
s
i
g
n
e
d
.
T
h
e
s
e
b
i
t
s
a
r
e
w
r
i
t
e
d
i
s
a
b
l
e
b
i
t
s
.
W
h
e
n
t
h
e
s
e
b
i
t
s
a
r
e
r
e
e
d
o
u
t
,
t
h
e
v
a
l
u
e
s
a
r
e
0
.
1
000000
00000
0
0000
0
0
111
1
1
11111
1
111111
: 3/128
V
cc
: 5/128
V
cc
:
1
2
3
/
1
2
8
V
c
c
:
1
2
5
/
1
2
8
V
c
c
:
1
2
7
/
1
2
8
V
c
c
: 1/128
V
cc
RW
R
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