6
4.1.2. Display Block
IC900 ： C2CBYY000150
4.1.3. CD Servo Block
IC101 ： YESAM337
99 ANT CONT Power control for antenna
motor
O5.25.25.2
100 EP CS(NC) Not connected - - - -
Pin
No.
Port Part Name & Description I/O (V)
1 A18 A18 in Address bus O 1.5
2 A19 A19 in Address bus O 1.7
3 A20 A20 in Address bus O 1.3
4 NC Not connected - -
5LED G - - -
6LED B - - -
7 A0 A0 in address bus for LCD O 1.3
8 A1 A1 in Address bus O 0.3
9VSS GND - -
10 A2 A2 in Address bus O 0.4
11 A3 A3 in Address bus O 0.4
12 A4 A4 in Address bus O 0.4
13 A5 A5 in Address bus O 1.3
14 A6 A6 in Address bus O 0.4
15 A7 A7 in Address bus O 0
16 A8 A8 in Address bus O 1.3
17 A9 A9 in Address bus O 0
18 A10 A10 in Address bus O 0
19 A11 A11 in Address bus O 1.5
20 A12 A12 in Address bus O 1.7
21 VCC +3.3V Power supply - 3.5
22 A13 A13 in Address bus O 1.4
23 A14 A14 in Address bus O 1.5
24 A15 A15 in Address bus O 1.7
25 SIN0 Serial data from Main CPU or
Flash writer
I0.5
26 SOT0 Serial data to Main CPU or
Flash writer
O1.8
27 SCK0 Serial clock for Flash writer I 3.5
28 NC Not connected - -
29 FRASH RESET Reset for Flash memory O 3.5
30 KS1 Key scan 1 O 0
31 NC Not connected - -
32 NC Not connected - -
33 AVCC +3.3V Power supply - 3.5
34 AVRH +3.3V Power supply - 3.5
35 AVSS/AVRL GND - -
36 TH DETECT Pulled up to H - 1.3
37 KS2 Key scan 2 O 0
38 KS3 Key scan 3 O 0
39 NC Not connected - -
40 VSS GND - -
41 KI5 Key-in return 5 I 0
42 KI4 Key-in return 4 I 0
43 KI3 Key-in return 3 I 0
44 KI2 Key-in return 2 I 0
45 NC Pulled down to L - 0
46 NC Pulled up to H - 3.5
47 MD0 Operating mode control 0 from
Flash writer
I3.5
48 MD1 Operating mode control 1:
pulled up to H
-3.5
49 MD2 Operating mode control 2 from
Flash writer
I0
50 NC Not connected - -
51 ROTARY 1 Volume-up detection from
Rotary encoder
I2.5
Pin
No.
Port Description I/O (V)
FM AM CD
52 ROTARY 2 Volume-down detection from
Rotary encoder
I2.5
53 NC Not connected - -
54 NC Not connected - -
55 NC Not connected - -
56 NC Not connected - -
57 NC Not connected - -
58 FLASH CE Chip enable for Flash memory O 3.4
59 LCD CS LCD chip select O 3.4
60 LED R
61 NC Not connected - -
62 NC Not connected - -
63 NC Not connected - -
64 VLCD CONT Power control for LCD O 3.4
65 NC Not connected - -
66 NC Not connected - -
67 NC Not connected - -
68 NC Not connected - -
69 OE/RD Output enable for Flash mem-
ory or Read strobe for LCD
O3.4
70 LCD WR Write strobe for LCD O 3.4
71 FLASH WE Write enable for Flash memory O 3.4
72 NC Not connected - -
73 LCD RESET Reset for LCD O 3.4
74 FLASH RY/BY Ready/Busy from Flash mem-
ory
I3.4
75 RST Reset I 3.5
76 NC Not connected - -
77 NC Not connected - -
78 X0A GND - -
79 VSS GND - -
80 X0 System clock (12.5MHz) I 1.3
81 X1 System clock (12.5MHz) O 1.5
82 VCC +3.3V Power supply - 3.5
83 D0 D0 in Data bus I/O 0.9
84 D1 D0 in Data bus I/O 0.9
85 D2 D0 in Data bus I/O 1.1
86 D3 D0 in Data bus I/O 0.9
87 D4 D0 in Data bus I/O 1
88 D5 D0 in Data bus I/O 1.1
89 D6 D0 in Data bus I/O 1.1
90 D7 D0 in Data bus I/O 0.9
91 D8 D0 in Data bus I/O 0.9
92 D9 D0 in Data bus I/O 0.9
93 D10 D0 in Data bus I/O 0.9
94 D11 D0 in Data bus I/O 0.5
95 D12 D0 in Data bus I/O 0.9
96 D13 D0 in Data bus I/O 0.7
97 D14 D0 in Data bus I/O 0.7
98 D15 D0 in Data bus I/O 0.7
99 A16 A16 in Address bus O 3
100 A17 A17 in Address bus O 1.7
Pin
No.
Port Descriptions I/O (V)
1AVSS GND - 0
2 LD-MT Loading Motor drive IC control 1 O 3.2
3 CNT Loading Motor drive IC control 2 O 3.2
4 - Not Connected - -
5 LD-EJ Loading Motor drive IC control
(Eject)
O0
6 AMUTE Mute signal output O 0
Pin
No.
Port Part Name & Description I/O (V)
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