Sanyo DC-TS730, Service Manual

Page: 27 / 67

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IC BLOCK DIAGRAM & DESCRIPTION
IC430 M38039MC-07FP(Single Chip 8-Bits Microcomputer)
Clock generating
circuit
R O N R A M
P2(8) P1(8) P0(8)
PWM(8) SI/O2(8) SI/O3(8) SI/O1(8)
A-D
converter
(10)
A-D
converter 2
(10)
A-D
converter 1
(10)
C P U
A
X
Y
S
PC
L
PS
PC
H
27 32 28 29 30 31
33 34 35 36 37 38 39 40
P5(8)
12 13 2 3 14 15 16 17 18 19
P4(8)
20 21 22 23 24 25 26 29
P3(8)
57 58 59 60 61 62 63 64 41 42 43 44 46 48 49 50 51 52 53 54 55 56 47 45
X
IN
Xout X
CIN
X
C
out RESET
26
CNV
SS
1
V
SS
V
CC
Timer 1(8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
P0
0
/AN
8
P0
1
/AN
9
P0
2
/AN
10
P0
3
/AN
11
P0
4
/AN
12
P0
5
/AN
13
P0
6
/AN
14
P0
7
/AN
15
P1
0
/INT
41
P1
1
/IINT
01
P1
2
P1
3
P1
4
P1
5
P1
6
P1
7
P3
0
/DA
1
P3
1
/DA
2
P3
2
P3
3
P3
4
/R
X
D
3
P3
5
/T
X
D
3
P3
6
/S
CLK3
P3
7
/S
RDY3
P0
0
/AN
8
P0
1
/AN
9
P0
2
/AN
10
P0
3
/AN
11
P0
4
/AN
12
P0
5
/AN
13
P0
6
/AN
14
P0
7
/AN
15
P1
0
/INT
41
P1
1
/IINT
01
P1
2
P1
3
P1
4
P1
5
P1
6
P1
7
P2
0
(LED
0
)
P2
1
(LED
1
)
P2
2
(LED
2
)
P2
3
(LED
3
)
P2
4
(LED
4
)
P2
5
(LED
5
)
P2
6
(LED
6
)
P2
7
(LED
7
)
V
SS
X
OUT
X
IN
P4
0
/INT
40
/X
COUT
P4
1
/INT
00
/X
CIN
RESET
CNV
SS
P4
2
/INT
1
P2
0
(LED
0
)
P2
1
(LED
1
)
P2
2
(LED
2
)
P2
3
(LED
3
)
P2
4
(LED
4
)
P2
5
(LED
5
)
P2
6
(LED
6
)
P2
7
(LED
7
)
P3
7
/S
RDY2
P3
6
/S
CLK1
P3
3
/T
X
D
3
P3
4
/R
X
D
3
P3
3
P3
2
P3
1
/DA
2
P3
0
/DA1
V
CC
X
REF
AV
SS
P6
7
/AN
7
P6
6
/AN
6
P6
5
/AN
5
P6
4
/AN
4
P6
3
/AN
3
V
CC
VA
REF
AV
SS
P6
7
/AN
7
P6
6
/AN
6
P6
5
/AN
5
P6
4
/AN
4
P6
3
/AN
3
P6
2
/AN
2
P6
1
/AN
1
P6
0
/AN
0
P5
7
/INT
3
P5
6
/PWM
P5
5
/CNTR
1
P5
4
/CNTR
0
P5
3
/S
RDY2
P5
2
/S
CLK2
P5
1
/S
OUT2
P5
0
/S
IN2
P4
7
/S
RDY1
/CNTR
2
P4
6
/S
CLK1
P4
5
/T
X
D
1
P4
4
/R
X
D
1
P4
3
/INT
2
P4
2
/INT
1
CNV
SS
RESET
P4
1
/INT
00
/X
CIN
P4
0
/INT
40
/X
COUT
X
IN
X
OUT
V
SS
P6
2
/AN
2
P6
1
/AN
1
P6
0
/AN
0
P5
7
/INT
3
P5
6
/PWM
P5
5
/CNTR
1
P5
4
/CNTR
0
P5
3
/S
RDY2
P5
2
/S
CLK2
P5
1
/S
OUT2
P5
0
/S
IN2
P4
7
/S
RDY1
/CNTR
2
P4
6
/S
CLK1
P4
5
/T
X
D
1
P4
4
/R
X
D
1
P4
3
/INT
2
Timer 2(8)
Timer X(8)
Timer Y(8)
Timer Y(8)
PRE-SCALER 12(8)
PRE-SCALER X(8)
PRE-SCALER Y(8)
I/O Port P5
P6(8)
4 5 6 7 8 9 10 11
I/O Port P6 I/O Port P4 I/O Port P3 I/O Port P2
(LED DRIVE)
I/O Port P1 I/O Port P0
Data bus
AV
SS
V
REF
CNTR
0
CNTR
1
CNTR
2
INT
00
INT
1
INT
2
INT
40
INT
01
INT
41
49
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
50
51
55 52
53
54
55 55
56
57
58
59
60
61
62
63
64
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17