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Port
Pin
No.
70 X1
Crystal oscillator
71 TEST
(TEST terminal)
72 XT2
Crystal oscillator
73 XT1
Crystal oscillator
74 VDD0
+5V power supply
75 AVDD
+5V power supply
76 INI A
Mode setting A
77 INI B
Mode setting B
78 ACC
ACC detection
79 (NC)
(Connecting to
ground)
80 LEVEL
Audio signal
9.2. Display Block
IC901 : YEAMLC75854T
Pin
Port
No.
1-16 SEG1-16 LCD segment data
17-
SEG19-41 LCD segment data
39
40-
COM1-4
LCD common
43
44,45 SEG17,18 LCD segement data
46-
KS3-6
Key scan
49
50-
Kl1-5
Key data
54
55 TEST
(Connecting to ground)
56 VDD
+5V power supply
57 VDD1
VDD1 filter terminal
58 VDD2
VDD2 filter terminal
59 VSS
Ground
60 OSC
Oscillator terminal
61 DO
Key data output
62 CE
LCD driver chip enable
63 CLK
LCD clock
64 DI
LCD data
9.3. CD Servo Block
IC401 : YESAM348
Description
I/O
-
-
-
-
-
-
I
I
I
-
I
Description
(V)
FM AM CD
2.3 2.3 2.3
0
0
0
2.7 2.7 2.7
2
2
2
4.9 4.9 4.9
4.8 4.8 4.8
0
0
0
4.8 4.8 4.8
4.9 4.9 4.9
0
0
0
0
0
0
I/O (V)
O
2.5
O
2.5
O
2.5
O
2.5
O
5.0
I
0
-
0
-
5.0
-
3.3
-
1.7
-
0
-
3.9
O
5.0
I
0
I
4.9
I
4.9
8
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