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75 AVREF
(Connecting to VDD)
76 NC
(Connecting to ground)
77 SD
Search detect
78 INIT D
Initial value D
79 INIT A
Initial value A
80 INIT B
Initial value B
Note 1 : Voltage measuerments are with respect to ground, with a voltmeter (internal resistance :
10M ohms).
9.2. Display Block
IC901 : YEAMLC75853W
Pin
Port
No.
1-8 SEG1-8
Not used
9-35 SEG9-35 LCD segment
36-
NC
No connection
40
41-
COM1-3
LCD common
43
44-
KS1-6
Key data output
49
50-4 KI1-5
Key data input
55 TEST
(Connecting to ground)
56 VDD
+5V power supply
57 VDD1
Ground through capacitor
58 VDD2
Ground through capacitor
59 Vss
Ground
60 OSC
CR oscillator
61 DO
Key data output
62 CE
Chip enable
63 CLK
LCD clock
64 DI
LCD data input
9.3. CD Servo Block
IC201 : C2BBFD000188
Description
-
5.1
-
0
I
0.6
I
5.1
I
5.1
I
5.1
I/O (V)
-
-
O
2.5
-
-
O
2.5
O
0.9
I
0
-
0
-
5.1
-
3.3
-
1.7
-
0
-
3.9
O
4.4
I
0
I
0
I
0
9
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