Sharp XL-HP737 Service Manual - Page 53

IC3 VHiLC78683E-1: MP3 Decoder (LC78683) DATACK DATAIN RESB INTB CE CL CMDIN CMDOUT OVF CNTOK WOK VSS DVDD6 CRCF FSYNC STDAT STCK STREQ VSS DVDD5 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 LRSY 1 ADDATA 2 ADBCK 3 ADLRCK 4 C2FIN 5 TEST1 6 CKIN 7 VSS 8 CKOUT 9 TEST2 10 DVDD1 11 PW 12 SBSY 13 SFSY 14 SBCK 15 AVDD 16 VPRFR 17 VCOC 18 VPDO 19 AVSS 20 LC78683 (Top view) 60 MADRS0 59 MADRS1 58 MADRS2 57 MADRS3 56 MADRS4 55 MADRS5 54 MADRS6 53 MADRS7 52 VSS 51 DVDD4 50 MADRS8 49 MADRS9 48 MADRS10 47 MADRS11 46 MADRS12 45 OEB 44 CASUB 43 CASLB 42 WEB 41 RASB 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 XL-HP737 DVDD2 VSS MDATA0 MDATA1 MDATA2 MDATA3 MDATA4 MDATA5 MDATA6 MDATA7 DVDD3 VSS MDATA8 MDATA9 MDATA10 MDATA11 MDATA12 MDATA13 MDATA14 MDATA15 WEB OEB CASLB CASUB RASB MADRS[12:0] MDATA[15:0] CL CE CMDIN CMDOUT INTB CKIN VPRFR VCOC VPDO CKOUT WOK CNTOK OVF LRSY DATACK DATAIN C2FIN SFSY PW SBSY SBCK RESB System clockgenerator VCO + PLL DRAM-I/F CD-DA shockproof (Compressed or uncompressed) CDROM decoder CPU-I/F Data-I/F MP3 decoder M U X Audio I/F Figure 3 BLOCK DIAGRAM OF IC STREQ STCK STDAT CRCF FSYNC ADLRCK ADBCK ADDATA 8 - 8