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9.1. Main Block
IC701 : MC32C/83
Pin No.
Function
Logic/Use
1
IN (INT)
No Connection
2
Out PP
LCD-CS
3
Out PP
CD Dat out SW-SPI
4
In
CD Dat in SW-SPI
5
Out PP
CD Clk SW-SPI
6
Byte
Gnd
7
CNVss
Pull Down
8
-
N CNTR
9
-
E2 CS
10
RESET
Reset
11
Xout
Crystal
12
Vss
P GND
13
Xin
Crystal
14
Vcc
V osc
15
In
NMI (WD-Reset)
16
INT2
Bat. Detection + 6.1V detection
17
Out PP
EEPROM-CS (WD-trigger)
18
INT0
Tel. Mute
19
Out PP
CAN Enable
20
Out PP
CS Oscylator( later maybe PWM)
21
CAN in
CAN RX
22
CAN out
CAN TX
23
Out PP
CAN Stby.
24
Out PP
Ill-1 SW-PWM
25
Out PP
Af-Mute
26
Out PP
Ill-2 SW-PWM
27
Out OPD
No Connection
28
Out OPD
No Connection
29
TxD1
K-Line/Mon./flashen PULL-DOWN
30
RxD1
K-Line / Monitor / flashen
31
Out PP
Amp. ON
32
Out PP
Mute
33
Out PP
CDC Master Data out
34
In
CDC Slave SPI Data
35
In
CDC Slave SPI Clk
36
Out PP
CS Main SW-SPI
37
Out PP
Dat Main SW-SPI
38
Out PP
Clk Main SW-SPI
39
Out PP
KO.0
40
Out PP
KO.1
41
Out PP
KO.2
42
Out PP
KO.3
43
Out PP
KO.4
44
Out PP
KO.5
45
In
CAN Error
46
Out PP
Main ON
47
Out PP
No Connection
48
Out PP
P ON
49
In
Main IF OK
50
In
CD SW3
51
In
CD-Analog Mute
52
Out PP
CD-RST
53
Out PP
SW-SPI Data out LCD/EEPROM
54
In
SW-SPI Data in LCD/EEPROM
55
Out PP
SW-SPI Clk out LCD/EEPROM
56
Out PP
CD-Start/Stop
57
Out PP
CD-ON
58
Out PP
No Connection
59
Out PP
No Connection
60
Vcc
+5V
61
Out PP
No Connection
62
Vss
P GND
Pin No.
Function
Logic/Use
63
In
KI.0
64
In
KI.1
65
In
KI.2
66
In
KI.3
67
In
KI.4
68
Out PP
Stby.
69
In
Main-RDS Dat in
70
In
No Connection
71
INT5
Main RDS Clk in
72
INT4
No Connection
73
INT3
P.SW
74
Out PP
No Connection
75
In
No Connection
76
Out PP
No Connection
77
Out PP
No Connection
78
Out PP
No Connection
79
AN03
+B Monitor
80
In
No Connection
81
AN01
No Connection
82
AN00
No Connection
83
Out PP
Power-ON
84
Out PP
DSP-Reset
85
In
LCD-Monitor
86
Out PP
LCD-RST
87
AN7
No Connection
88
AN6
IF Voltage Main
89
AN5
Antenna Voltage Main
90
AN4
Deviation Main
91
AN3
Multipath Main
92
AN2
Photo Diode
93
AN1
NeighbourChannel Main
94
Avss
P GND
95
AN0
Fieldstrength Main
96
VREF
+5V
97
Avcc
+5V
98
SCL4
IIC
99
SDA4
IIC
100
Out PP
LCD-A0
9 TERMINALS DESCRIPTION
9
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