Ic Block Diagram & Description - Sanyo DCS-AVD8501 Service Manual

IC BLOCK DIAGRAM & DESCRIPTION
-MAIN AMP SECTION-
IC401 KIA7812API
IC403 KIA7809API
(3-Terminal Positive voltage Regulators)
1 2 3
IC411 uPD780055G (8-Bit Single-chip Microcontroller)
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
P15/ANI5 1
P16/ANI6 2
P17/ANI7 3
AV 4
SS
P130/ANO0 5
P131/ANO1 6
AV 7
REF1
P70/SI2/RxD0 8
P71/SO2/TxD0 9
P72/SCK2/ASCK 10
P20/SI1 11
P21/SO1 12
P22/SCK1 13
P23/STB/TxD1 14
P24/BUSY/RxD1 15
P25/SI0/SB0 16
P26/SO0/SB1 17
P27/SCK0 18
P40/AD0 19
P41/AD1 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
1. INPUT
2. COMMON
3. OUTPUT
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
IC402 KIA7912PI
(3-Terminal Negative Voltage Regulators)
RESET
P127/RTP7
P126/RTP6
P125/RTP5
P124/RTP4
P123/RTP3
P122/RTP2
P121/RTP1
P120/RTP0
P37
P36/BUZ
TO0/P30 44
P35/PCL
16-bit TIMER/
TI00/INTP0/P00 61
EVENT COUNTER
P34/TI2
TI01/INTP1/P01 62
P33/TI1
P32/TO2
TO1/P31 45
8-bit TIMER/
EVENT COUNTER 1
TI1/P33 47
P31/TO1
P30/TO0
TO2/P32 46
8-bit TIMER/
P67/ASTB
EVENT COUNTER 2
TI2/P34 48
P66/WAIT
P65/WR
WATCHDOG TIMER
WATCH TIMER
SI0/SB0/P25 16
SERIAL
SO0/SB1/P26 17
INTERFACE 0
SCK0/P27 18
SI1/P20 11
SO1/P21 12
SERIAL
SCK1/P22 13
INTERFACE 1
STB/TxD1/P23 14
BUSY/RxD1/P24 15
BUSY/RxD1/P24 15
STB/TxD1/P23 14
SERIAL
SI2/RxD0/P70 8
INTERFACE 2
SO2/TxD0/P71 9
SCK2/ASCK/P27 10
ANI0/P10-
76,3
ANI7/P17
A/D CONVERTER
AV 4
SS
AV 75
REF0
ANO0/P130-
76-80,1-3
ANO1/P131
D/A CONVERTER
AV 4
SS
AV 7
REF1
INTP0/P00- INTERRUPT
61-66
INTP5/P05 CONTROL
BUZ/P36 50 BUZZER OUTPUT
CLOCK OUTPUT
PCL/P35 49
CONTROL
- 58 -
1. GND
2. INPUT
3. OUTPUT
1 2 3
PORT0
PORT1
PORT2
PORT3
PORT4
PORT5
PORT6
78K/0 ROM
CPU CORE 40 K Bytes
PORT7
PORT12
RAM
1024 Bytes
PORT13
REAL-TIME
OUTPUT PORT
EXTERNAL
ACCESS
SYSTEM
CONTROL
74,68 67.33 71
V , V , IC
DD0 SS0
V V
DD1 SS1
61 P00
62-66 P01-P05
73 P07
76-80,1-3 P10-P17
11-18 P20-P27
44-51 P30-P37
19-26 P40-P47
27-32,34,35 P50-P57
36-43
P60-P67
8-10 P70-P72
52-59
P120-P127
5,6 P130,P131
RTP0/P20-
52-59
RTP7/P127
AD0/P40
19-26
AD7/P47
A8/P50-
27-32,34,35
A15/P57
RD/P65
40
41 WR/P65
WAIT/P66
42
43 ASTB/P67
60
RESET
70
X1
69 X2
XT1/P07
73
72 XT2