Technical information

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
3825 Group
16
Fig. 12 Memory map of special function register (SFR)
002016
002116
002216
002316
002416
002516
002616
002716
002816
002916
002
A
16
002
B
16
0 0 2
C
1 6
0 0 2
D
1 6
002
E
16
002
F
16
003016
003116
003216
003316
003416
003516
003616
003716
003816
003916
003
A
16
003
B
16
0 0 3
C
1 6
003
D
16
003
E
16
003
F
16
0 0 0 01 6
000116
000216
0 0 0 31 6
0 0 0 41 6
000516
0 0 0 61 6
0 0 0 71 6
0 0 0 81 6
0 0 0 91 6
000
A
16
0 0 0
B
1 6
000
C
16
000
D
16
0 0 0
E
1 6
000
F
16
001016
001116
001216
0 0 1 31 6
0 0 1 41 6
001516
001616
001716
0 0 1 81 6
0 0 1 91 6
001
A
16
001
B
16
001
C
16
001
D
16
001
E
16
0 0 1
F
1 6
P
o r t
P
0
(
P
0
)
P
ort
P
1
(P
1
)
P
o r t
P
1 o u t p u t c o n t r o
l
r e g
i
s t e r
(
P
1
C
)
P
o r t
P
2
(
P
2
)
P
ort
P
2
di
rect
i
on reg
i
ster
(P
2
D)
P
o r t
P
3
(
P
3
)
P
o r t
P
4
(
P
4
)
P
o r t
P
4
d
i
r e c t
i
o n r e g
i
s t e r
(
P
4
D
)
P
ort
P
5
(P
5
)
P
o r t
P
5
d
i
r e c t
i
o n r e g
i
s t e r
(
P
5
D
)
P
o r t
P
6
(
P
6
)
P
o r t
P
6
d
i
r e c t
i
o n r e g
i
s t e r
(
P
6
D
)
P
o r t
P
7
(
P
7
)
P
o r t
P
7
d
i
r e c t
i
o n r e g
i
s t e r
(
P
7
D
)
S
er
i
a
l
I
/
O
status reg
i
ster
(SIOSTS)
S
er
i
a
l
I
/
O
contro
l
reg
i
ster
(SIO
1
CON)
U
A
R
T
c o n t r o
l
r e g
i
s t e r
(
U
A
R
T
C
O
N
)
B
au
d
rate generator
(BRG)
I
n t e r r u p t c o n t r o
l
r e g
i
s t e r 2
(
I
C
O
N
2
)
T
i
m e r 3
(
T
3
)
Ti
mer
X
mo
d
e reg
i
ster
(TXM)
I n t e r r u p t e d g e s e l e c t i o n r e g i s t e r
(
I
N
T
E
D
G
E
)
C
P
U
m o
d
e r e g
i
s t e r
(
C
P
U
M
)
I
nterrupt request reg
i
ster 1
(IREQ
1
)
I
nterrupt request reg
i
ster 2
(IREQ
2
)
I
n t e r r u p t c o n t r o
l
r e g
i
s t e r 1
(
I
C
O
N
1
)
Ti
mer
X
(l
ow
)
(TXL)
T
i
m e r
Y
(
l
o w
)
(
T
Y
L
)
Ti
mer 1
(T
1
)
Ti
mer 2
(T
2
)
T
i
m e r
X
(
h
i
g
h
)
(
T
X
H
)
T
i
m e r
Y
(
h
i
g
h
)
(
T
Y
H
)
PULL
reg
i
ster
A
(PULLA)
P
U
L
L
r e g
i
s t e r
B
(
P
U
L
L
B
)
Ti
mer
Y
mo
d
e reg
i
ster
(TYM)
Ti
mer 123 mo
d
e reg
i
ster
(T
123
M)
Cl
oc
k
output contro
l
reg
i
ster
(TCON)
S
egment output ena
bl
e reg
i
ster
(SEG)
L
C
D
m o
d
e r e g
i
s t e r
(
L
M
)
A
-
D
contro
l
reg
i
ster
(ADCON)
A
-
D
convers
i
on reg
i
ster
(AD)
T
ransm
i
t/
R
ece
i
ve
b
u
ff
er reg
i
ster
(TB
/
RB)
P
o r t
P
8
(
P
8
)
P
ort
P
8
di
rect
i
on reg
i
ster
(P
8
D)