Pin No. Port Descriptions I/O(V)
(V)
1-8 SEG1-8 LCD segment O 2.5
9-35 SEG9-35 LCD segment O 2.5
36-39 NC No connection - -
40-43 COM1-4 LCD common O 2.5
44 NC No connection - -
45-49 KS2-6 Key data output O 0.9
50-54 KI1-5 Key data input I 0
55 TEST (Connecting to ground) - 0
56 VDD +5V power supply - 5.1
57 VDD1 Ground through capacitor - 3.3
58 VDD2 Ground through capacitor - 1.7
59 Vss Ground - 0
60 OSC CR oscillator - 3.9
61 DO Key data output O 4.4
62 CE Chip enable I 0
63 CLK LCD clock I 0
64 DI LCD data input I 0
10.3. CD Servo Block
IC101 : C1BB00000665
Pin No. Port Descriptions I/O Vol.(V)
1 D.GND Digital logic Ground - 0
2 RFOK RFOK output signal O 5.0
3 /RST System reset I 5.1
4 A0 Command/Parameter specification I 4.5
5 /STB Serial data strobe I 5.1
6 /SCK Data shift clock I 5.1
7 SO Serial data O 0
8 SI Serial data I 2.4
9 XTALEN (Connecting to ground) - 0
10 D.VDD Digital logic power supply - 5.0
11 DA.VDD DAC power supply - 4.8
12 R_OUT Audio R ch O 2.4
13 DA.GND DAC ground - 0
14 REGC Bypass capacitor for SCF regurator - 2.5
15 DA.GND DAC ground - 0
16 L_OUT Audio L ch O 2.4
17 DA.VDD DAC power supply - 4.8
18 R+ Not used - -
19 R- Not used - -
20 L- Not used - -
21 L+ Not used - -
22 X.VDD Crystal OSC power supply - 5.0
23 /XTAL Crystal OSC terminal - 2.4
24 XTAL Crystal OSC terminal - 2.2
25 X.GND Crystal OSC ground - 0
26 D.VDD Digital logic power supply - 5.0
27 EMPH Not used - -
28 FLAG Not used - -
29 DIN DAC serial data I 2.6
30 DOUT DAC serial data O 2.6
31 SCKIN DAC shift clock I 2.7
10
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