Sharp CD-XP700 Service Manual page 49

IC3 VHiLC78683E-1: MP3 Decoder (LC78683E) (1/2)
Pin No. Terminal Name
1 LRSK
2 ADDATA
3 ADBCK
4 ADLRCK
5 C2FIN
6 TEST1
7 CKIN
8 VSS
9 CKOUT
10 TEST2
11 DVDD1
12 PW
13 SBSY
14 SFSY
15* SBCK
16 AVDD
17 VPRER
18 VCOC
19 VPDO
20 AVSS
21 DVDD2
22 VSS
23 MDATA0
24 MDATA1
25 MDATA2
26 MDATA3
27 MDATA4
28 MDATA5
29 MDATA6
30 MDATA7
31 DVDD3
32 VSS
33 MDATA8
34 MDATA9
35 MDATA10
36 MDATA11
37 MDATA12
38 MDATA13
39 MDATA14
40 MDATA15
41 RASB
42 WEB
43 CASLB
44 CASUB
45 OEB
46* MADRS12
47* MADRS11
48* MADRS10
49* MADRS9
50 MADRS8
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
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Input/Output
Input CD L/R clock input.
Output Audio data output.
Output Audio bit clock output.
Output Audio L/R clock output.
Input CD C2 error flag input.
Input Test input 1. (Must be connected to GND.)
Input System clock (16.9344 MHz) input.
— GND ground pin.
Output External DF/DAC clock (384Fs) output.
Input Test input 2. (Must be connected to GND.)
Input I/O digital supply pin.
Input CD subcode data serial input.
Input CD subcode block synchronization signal input.
Input CD subcode frame synchronization signal input.
Output CD subcode transfer serial clock output.
Input Analog (PLL) supply.
— VCO oscillator range set pin.
Input VCO control voltage input.
Output VCO charge pump output.
— Analog GND ground pin.
Input Internal logic supply pin.
— GND ground pin.
Input/Output DRAM data bus 0.
Input/Output DRAM data bus 1.
Input/Output DRAM data bus 2.
Input/Output DRAM data bus 3.
Input/Output DRAM data bus 4.
Input/Output DRAM data bus 5.
Input/Output DRAM data bus 6.
Input/Output DRAM data bus 7.
Input I/O digital supply pin.
— GND ground pin.
Input/Output DRAM data bus 8.
Input/Output DRAM data bus 9.
Input/Output DRAM data bus 10.
Input/Output DRAM data bus 11.
Input/Output DRAM data bus 12.
Input/Output DRAM data bus 13.
Input/Output DRAM data bus 14.
Input/Output DRAM data bus 15.
Output RAS output. (L-active)
Output WE output. (L-active)
Output CAS output. (Lower Byte, L-active)
Output CAS output. (Upper Byte, L-active)
Output OE output (L-active)
Output DRAM address output 12.
Output DRAM address output 11.
Output DRAM address output 10.
Output DRAM address output 9.
Output DRAM address output 8.
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CD-XP700/CD-XP7700
Function