
86
3803/3804 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Fig. 81 Internal status at reset (3804 group)
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-
u
p
c
o
n
t
r
o
l
r
e
g
i
s
t
e
r
(
P
U
L
L
6
)
I
2
C
s
l
a
v
e
a
d
d
r
e
s
s
r
e
g
i
s
t
e
r
0
(
S
0
D
0
)
I
2
C
s
l
a
v
e
a
d
d
r
e
s
s
r
e
g
i
s
t
e
r
1
(
S
0
D
1
)
I
2
C
s
l
a
v
e
a
d
d
r
e
s
s
r
e
g
i
s
t
e
r
2
(
S
0
D
3
)
F
l
a
s
h
m
e
m
o
r
y
c
o
n
t
r
o
l
r
e
g
i
s
t
e
r
(
F
C
O
N
)
F
l
a
s
h
c
o
m
m
a
n
d
r
e
g
i
s
t
e
r
(
F
C
M
D
)
P
r
o
c
e
s
s
o
r
s
t
a
t
u
s
r
e
g
i
s
t
e
r
P
r
o
g
r
a
m
c
o
u
n
t
e
r
X X X X X X X X
0 0 1 0 0 0 0 0
0 0 0 1 0 0 0 X
0 0 0 1 1 0 1 0
0028
16
0029
16
002A
16
002B
16
002C
16
002D
16
002F
16
0030
16
0031
16
0032
16
0033
16
0034
16
0035
16
0036
16
0037
16
0038
16
0039
16
003A
16
003B
16
003C
16
003D
16
003E
16
003F
16
0FF0
16
0FF1
16
0FF2
16
0FF3
16
0FF4
16
0FF5
16
0FF6
16
0FF7
16
0FF8
16
0FF9
16
0FFE
16
0FFF
16
(PS)
(PC
H
)
(PC
L
)