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IC BLOCK DIAGRAM
IC, LAG668FTF
IC DESCRIPTION
IC, TC9322FB-501
Pin No.
Pin Name
I/O
1
COM 1
O
LCD commn output 1.
2
COM 2
O
LCD commn output 2.
3
COM 3
O
LCD commn output 3.
4
S1
O
LCD segment output.
5
S2
O
LCD segment output.
6
S3
O
LCD segment output.
7
S4
O
LCD segment output.
8
S5
O
LCD segment output.
9
S6
O
LCD segment output.
10
S7
O
LCD segment output.
11
S8
O
LCD segment output.
12
S9
O
LCD segment output.
13
S10
O
LCD segment output.
14
S11
O
LCD segment output.
15
S12
O
LCD segment output.
16
S13
O
LCD segment output.
17
S14
O
LCD segment output.
18
S15
O
LCD segment output.
19
S16
O
LCD segment output.
20
S17
O
LCD segment output.
21
S18
O
LCD segment output.
22
S19
O
LCD segment output.
23
S20 (NC)
O
LCD segment output. (Not connected)
24
S21 (NC)
O
LCD segment output. (Not connected)
Description
25
Pin No.
Pin Name
I/O
25
S22 (NC)
O
LCD segment output. (Not connected)
26
S23 (NC)
O
LCD segment output. (Not connected)
27
K0
I
Key matrix input.
28
K1
I
Key matrix input.
29
K2
I
Key matrix input.
30
K3
I
Key matrix input.
31
T0
O
Key return timing output.
32
T1
O
Key return timing output.
33
T2
O
Key return timing output.
34
T3
O
Key return timing output.
35
FM / AM
O
'H' : FM out, 'L' : AM out.
36
FM MN / ST
O
'H' : FM Stereo out, 'L' : FM Mono out.
37
S-BASS
O
S-BASS switching output. 'H': OFF, 'L' :ON.
38
ROCK
-
Not connected.
39
DES
I
These two input ports determine the destination.
40
DES
I
In Clock mode: 'H' = LCD display TAPE.
41
TAPE / ST
I
In FM Stereo mode : 'H' = FM ST indicator will Flash.
42
POWER CHECK
I
A / D in for power supply voltage level.
43
REMOTE
I
A / D in for remote controller.
44
POWER SW
O
'H' : Power Off, 'L' : Power On.
45
HOLD
I
'H' : Hold Off, 'L' :Hold On.
46
BUZZER
O
Buzzer output.
47
MUTE
O
Mute output..
48
TEST
-
Connected to ground.
49
WAKE UP
I
Wake up the system from Memory back-up mode.
50
TUNE IN
I
'L' : LCD display 'TUNED'.
51
TU OUT
O
When tuner on, 'L' level is output.
52
PLL OUT
O
Phase comparison output.
53
GND
-
Ground terminal.
54
FMIN
I
FM oscillator signal input.
55
AMIN
I
AM oscillator signal input.
56
VDD
-
Supply voltage terminal.
57
RESET
I
System reset input.
58
XOUT
-
Crystal oscillator pin.
59
XIN
-
Crystal oscillator pin.
60
VXT
-
Power supply for crystal oscillator.
61
VLCD
-
Reference voltage for LCD driver.
62
C1
-
Voltage doubler boosting.
63
C2
-
64
VEE
-
Connected to ground.
Description
'L' : = LCD display TIME.
'L' = FM ST indicator no Flash.
26
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