1-44 (No.49834)
6.14 UPD784217AGC227 (IC701) : CPU
• Pin layout
• Block diagram
125
75 51
100 26
76 50
Pin No Symbol I/O Function
1 S.SELECT O E-VOL selection output, H: REAR L: FRONT
2 DSP.SELECT O DSP or Source direct selection output, H: Source direct L: DSP
3 LINE IN ON O OTHER
4 AMP KILL O Internal amplifier ON/OFF selection, H: OFF L: ON
5 to 7 NOT USE - Not connect
8 ANT CONT O Antenna remote control
9 VDD - Power supply
10 X2 -
11 X1 I
12 VSS - Ground
13 XT2 -
14 XT1 -
15 RESET I System reset
16 REMOCON I Remocon input
17 BUS-INT I J-BUS INT
18 PS2 I Power save2, H means STOP mode
19 CD-REQ I CD REQ INPUT
20 RDS-SCK - Not use
21 STEERING
REMOCON
I Steering remocon input
22 KEY DATA I KEY DATA
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 to 29 NOT USE - Connect to ground
30 MRC I MRC input
31 SQ I Not use, pull down
32 SM I S.METER input
33 AVSS - Ground
34 NOT USE - Not connect
35 STAGE3 I Feature selection, H: SH9750 L: SH9700
36 AVREF -
37 BUS-SI I J-BUS data input
38 BUS-SO O J-BUS data output
39 BUS-SCK I/O J-BUS clock input/output
40 BUS-I/O O J-BUS I/O selection output: H input: L
41 DISP DA O DISPLAY DATA output
42 DISP SCK O DISPLAY SCK
43 DISP CE O DISPLAY CE
44 BUZZER O Buzzer output
45 E2PROM-DI I I2C data input
46 E2PROM-DO O I2C data output
47 E2PROM-CLK O I2C clock output
48 NOT USE - Not connect
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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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