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IC BLOCK DIAGRAM/TERMINAL
FUNCTION (RADIO/GENERAL
SECTION)
IC BLOCM
ICOOI (LC72
AV-COMP~
Q
01
3
L
IC702 (7
4-CHAN
IN-1
(
IN-2
IN–3
IN-4
c
3601 (IJPD75517GF-324-389)
Pin
1/0
Signal
'
Terminal
No.
Name
Name
Function
1
I
—
ANO
Not used.
2
I
AV Ref
AVREF
AD converter reference voltage
input
3
–
VDD
VDD
+5V
4
–
VDD
VDD
+5V
5
0
KST1
PI13
Option setting (key matrix)
6
0
KST2
PI12
Option setting (key matrix)
7
0
KST3
Pill
Option setting (key matrix)
8
0
KST4
Pllo
option setting (key matrix)
9
I
KRT3
P103
Option setting (key matrix)
10
I
KRT2
PI02
Option setting (key matrix)
11
I
KRTI
Plol
Option setting (key matrix)
12
I
KRTO
Ploo
Option setting (key matrix)
13
OL
CD-RESET
P93
Control signal for LCD driver IC
14
0
LCD-CE
P92
Control signal for LCD driver [C
15
0
LCD-DO
P91
Control signal for LCD driver IC
16
OL
CD-CLK
P90
Control signal for LCD driver IC
17
I
LCD-DI
S11/P83
Control signal for LCD driver IC
18
I
—
SO1/P82
Not used.
19
I
—
s CK11P81
Not used.
20
0
BEEP
PPOIP80
Beep output
21
OP
OWER-ON KR71P73
Power amplifier IC ST-BY ON/OFF.
H igh for ON.
22
OA
F-MUTE
KR6[P72
AF-MUTE ON/OFF.
LOW
for hAIJTE.
23
0
—
KR5/P71
Not used.
24
I
—
KR41P70
Not used.
25
0
—
KR3/P63
Not used.
26
0
LIGHT
KR21P62
LCD backlight ON/OFF.
H igh for ON.
27
I
—
KRI[P61
Not used.
28
0
—
KRO/P60
Not used.
29
I
—
P53
Not used.
30
I
—
P52
Not used.
31
0
—
P51
Not used.
32
I
—
P50
Not used.
33
–
Vss
Vss
G ND
34
I
—
P43
No t used.
35
I
-—
P42
Not used.
36
I
—
P41
Not used.
37
1
—
P40
No t used.
38
0
EVOL-DATA
P33
Eq ualizer control signal for ESE
39
0
EVO L-CLK
P32
Eq ualizer control signal for ESE
40
I
—
P31
Not used.
41
I
—
P30
Not used.
ICOO1 (LC7219M)
%
No.
—
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
—
I[c
T
o
0
0
I
I
I
I
I
I
I
I
—
1
0
—
I
o
I
I
o
0
0
I
I
o
0
0
0
0
I
I
I
I
I
I
I
I
—
——
Signal
Name
ACC-OF
CD+B
CD-DO
—
CD-DI
ACC IN
Vss
XT1
XT2
Ic
xl
x2
RESET
PLL-CE
PLL-DO
'LL-CLK
PLL-DI
ST
—
—
—
SE/LOU[
V-SM
Termina
Name
P231BUi
P22/Pcl
P21
P20/PTO
P13fTlo
P12/lNT2
P1l/lNTl
PIO/lNTC
'03/SIO/SB
'02/SOO/SB
'01/SCK(
POOIINT4
Vss
XT1
XT2
Ic
xl
x2
RESET
P143
P142
P141
P140
P133
P132
P131
P130
P123
P122
P121
P120
AVSS
\N7/Pl 53
4N6/P152
4N5/P151
4N4/Pl 50
AN3
AN2
AN 1
(=]
1:Input
Function
Not used.
power ON/OFF output.
LOWfor power ON.
CD system circuitpower on
Data output for CD
Not used.
Not used.
Not used.
Data input for CD
Not used.
Not used.
Not used.
GND
Crystal oscillator input for c
Crystal oscillator output for
Internally Connected
Crystal oscillator input
Crystal oscillator output
Microprocessor reset input
Not used.
Control signal for PLL-IC
Control signal for PLL-IC
Control signal for PLL-IC
Control signal for PLL4C
Stereo input. High for stereo,
Vot used.
Not used.
Vot used.
Vot used.
Uot used.
got used.
'Jotused.
dot used.
Not used.
Not used.
Not used.
Vot used.
3SE/LOUD setting.
Judges intensity of received sigr
]f radio.
ml
1:Input O: Outp
[
AV-CO'MPAT[BLE,
ELECTRONIC-TUNING
PLL FREQUENCY
SYNTHESIZER
Pin
1/0
Terminal
No.
Description
Pin
Name
1/0
Terminal
No.
Name
Description
1
I
Xin
X'tal OSC
3
I
DI
Input data
Crystal oscillator connection (7.2MHz)
Input terminal for serial data transferred
from the controller to the LC7219.
2
I
CE
Chip enable
To set the initial state, a total of 36 bits of
Terminal where the level is switched high
data must be input.
when serial data is input (Dl) to or output
(DO) from the LC7219.
4
I
CL
Clock
Clock which synchronizes with serial data
when the serial data is input (Dl) to or
output (DO) from the LC7219.
–57-
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