KD-SC900R
1-46 (No.49829)
4.17 UPD784217AGC195 (IC701) : CPU
• Pin Layout
• Block Diagram
75 51
125
50 26
76 100
Pin No. Symbol I/O Function
1 CDRESET - Not use
2 CDMUTE - Not use
3 SW2 O CD mecha SW2
4 PSW O CD mecha position setting SW
5 LM0 O Loading motor control output 0
6 LM1 O Loading motor control output 1
7NC-Not use
8 ANTCRTL O Antenna remote control
9 VDD - Power supply
10 X2 -
11 X1 -
12 VSS - Ground
13 XT2 -
14 XT1 -
15 RESET I System reset
16 SW1 I CD mecha SW1
17 BUSINT I Not use
18 PS2 I Power save2, H means STOP mode
19 STEERING I Not use
20 RDSSCK I RDS clock input
21 RDSDA I RDS data input
22 REMOCON I Remocon data input
23 AVDD - A/D converter power supply
24 AVREF0 - A/D reference voltage
25 VOL1 I Volume encoder pulse input 1
26 VOL2 I Volume encoder pulse input 2
27 KEY0 - Key input 0
28 KEY1 I Key input 1
29 KEY2 I Key input 2
30 LEVEL I Level meter input
31 SQ I Signal lquality input
32 SM - Signal level meter input
33 AVSS - Ground
34,35 NC I Not use
36 AVREF - Analog reference voltage
37 BUSSI I Not use
38 BUSSO O Not use
39 BUSSCK I/O Not use
40 BUSI/O O Not use
41 LCDDA O LCD DATA output
42 LCDCK O LCD CK
43 LCDCE O LCD CE
44 NC O Not use
45 EPROMDI I I2C data input
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9
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8
9
4
2
9
8
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L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
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6
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Q
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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