
115
MITSUBISHI MICROCOMPUTERS
M37274EFSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
PRELIMINARY
Notice: This is not a final specification.
Some paramentic limits are subject to change.
Memory Map of Special Function Register
(SFR)
I
SFR1 area (addresses C0
16
to DF
16
)
D0
16
D1
16
D2
16
D3
16
D4
16
D5
16
D6
16
D7
16
D8
16
D9
16
DA
16
DB
16
DC
16
DD
16
DE
16
DF
16
C0
16
C1
16
C2
16
C3
16
C4
16
C5
16
C6
16
C7
16
C8
16
C9
16
CA
16
CB
16
CC
16
CD
16
CE
16
CF
16
Address
Port P5 (P5)
OSD port control register (PF)
Port P6 (P6)
Port P7 (P7)
OSD control register (OC)
Horizontal position register (HP)
Block control register 1 (BC
1
)
Block control register 2 (BC
2
)
Block control register 3 (BC
3
)
Block control register 4 (BC
4
)
Block control register 5 (BC
5
)
Block control register 6 (BC
6
)
Block control register 7 (BC
7
)
Block control register 8 (BC
8
)
Block control register 9 (BC
9
)
Block control register 10 (BC
10
)
Block control register 11 (BC
11
)
Block control register 12 (BC
12
)
Block control register 13 (BC
13
)
Block control register 14 (BC
14
)
Block control register 15 (BC
15
)
Block control register 16 (BC
16
)
Port P1 (P1)
Port P1 direction register (D1)
Port P2 (P2)
Port P2 direction register (D2)
Port P3 (P3)
Port P3 direction register (D3)
Port P4 (P4)
Port P4 direction register (D4)
Register
Port P0 (P0)
Port P0 direction register (D0)
Bit allocation
State immediately after reset
b0 b7
: Fix to this bit to “0”
(do not write to “1”)
:
<
Bit allocation
>
<
State immediately after reset
>
: “0” immediately after reset
0
Function bit
:
No function bit
: Fix to this bit to “1”
(do not write to “0”)
Name
:
: Indeterminate immediately
after reset
1
: “1” immediately after reset
1
0
b7
b0
00
16
00
16
00
16
00
16
00
16
00
16
R
G
B
OUT1
OUT2
0
0
0
0
0
OC6
OC7
OC4
OC5
OC2
OC3
OC0
OC1
00
16
00
16
BC
1
1
BC
1
2
BC
2
1
BC
2
2
BC
3
1
BC
3
2
BC
4
1
BC
5
1
BC
4
2
BC
5
2
BC
6
1
BC
6
2
BC
7
1
BC
7
2
BC
8
1
BC
9
1
BC
8
2
BC
9
2
BC
10
1
BC
10
2
BC
11
1
BC
11
2
BC
12
1
BC
12
2
BC
1
3
BC
2
3
BC
3
3
BC
4
3
BC
5
3
BC
6
3
BC
7
3
BC
8
3
BC
9
3
BC
10
3
BC
11
3
BC
12
3
BC
1
4
BC
2
4
BC
3
4
BC
4
4
BC
5
4
BC
6
4
BC
7
4
BC
8
4
BC
9
4
BC
10
4
BC
11
4
BC
12
4
BC
1
5
BC
2
5
BC
3
5
BC
4
5
BC
5
5
BC
6
5
BC
7
5
BC
8
5
BC
9
5
BC
10
5
BC
11
5
BC
12
5
BC
1
6
BC
2
6
BC
3
6
BC
4
6
BC
5
6
BC
6
6
BC
7
6
BC
8
6
BC
9
6
BC
10
6
BC
11
6
BC
12
6
BC
1
7
BC
2
7
BC
3
7
BC
4
7
BC
5
7
BC
6
7
BC
7
7
BC
8
7
BC
9
7
BC
10
7
BC
11
7
BC
12
7
HP6
HP7
HP4
HP5
HP2
HP3
HP0
HP1
T3SC
P6IM
P45D
P46D
0
0
0
0
BC
1
0
BC
2
0
BC
3
0
BC
4
0
BC
5
0
BC
6
0
BC
7
0
BC
8
0
BC
9
0
BC
10
0
BC
11
0
BC
12
0
BC
BC
13
1
BC
13
2
BC
13
3
BC
13
4
BC
13
5
BC
13
6
BC
13
7
13
0
BC
14
1
BC
14
2
BC
15
1
BC
15
2
BC
14
3
BC
15
3
BC
14
4
BC
15
4
BC
14
5
BC
15
5
BC
14
6
BC
15
6
BC
14
7
BC
15
7
BC
14
0
BC
15
0
BC
16
5
BC
16
7
BC
16
0
BC
16
6
BC
16
4
BC
16
1
BC
16
2
BC
16
3