30RX-V32051 VDD2 +3V power supply52 NONPCM O Non-PCM data output terminal (normally unconnected)53 CRC O CRC output terminal (normally unconnected)54 MUTE O Mute output terminal, connected to external microcomputer data mute detect input55 KARAOKE O Karaoke output terminal (normally unconnected)56 SURENC O Surround encoder output terminal (normally unconnected)57 /SDBCK0 O Inverted signal of serial data bit clock output terminal 0 (normally unconnected)58 RAMA6 O RAM address output terminal 6, connected to external 1M SRAM address59 RAMA5 O RAM address output terminal 5, connected to external 1M SRAM address60 VSS Ground61 RAMA4 O RAM address output terminal 4, connected to external 1M SRAM address62 /IC I Initial clear input terminal, connected to external microcomputer initial clear output63 TEST Test terminal (normally unconnected)64 RAMA3 O RAM address output terminal 3, connected to external 1M SRAM address65 /CSB I Chip select B input terminal, connected to external microcomputer chip enable output 266 /CS I Chip select input terminal, connected to external microcomputer chip enable output 167 SO O Serial data output terminal, connected to external microcomputer serial data input68 SI I Serial data input terminal, connected to external microcomputer serial data output69 SCK I Serial clock input terminal, connected to external microcomputer serial clock output70 RAMA2 O RAM address output terminal 2, connected to external 1M SRAM address71 VDD1 +5V power supply72 RAMD0 I/O RAM data bus terminal 0, connected to external 1M SRAM data73 RAMD1 I/O RAM data bus terminal 1, connected to external 1M SRAM data74 RAMD2 I/O RAM data bus terminal 2, connected to external 1M SRAM data75 RAMD3 I/O RAM data bus terminal 3, connected to external 1M SRAM data76 RAMD4 I/O RAM data bus terminal 4, connected to external 1M SRAM data77 RAMD5 I/O RAM data bus terminal 5, connected to external 1M SRAM data78 RAMD6 I/O RAM data bus terminal 6, connected to external 1M SRAM data79 RAMD7 I/O RAM data bus terminal 7, connected to external 1M SRAM data80 VSS Ground81 VDD2 +3V power supply82 SDWCK0 I Serial data word clock input terminal 0, connected to external DIR2 1fs word clock output83 SDBCK0 I Serial data bit clock input terminal 0, connected to external DIR2 64fs bit clock output84 SDIA0 I Serial data input A terminal 0, AC-3/DTS bit stream (or PCM) data input, connected to external DIR2audio data output85 SDIA1 I Serial data input A terminal 1 (normally connected to ground)86 RAMA1 O RAM address output terminal 1, connected to external 1M SRAM address87 RAMA0 O RAM address output terminal 0, connected to external 1M SRAM address88 RAMWEN O RAM write enable output terminal, connected to external 1M SRAM write enable89 RAMOEN O RAM output enable output terminal, connected to external 1M SRAM output enable90 VSS Ground91 VDD +3V power supply92 IPORT7 I Input expansion port terminal 7 (normally connected to ground)93 IPORT6 I Input expansion port terminal 6 (normally connected to ground)94 IPORT5 I Input expansion port terminal 5 (normally connected to ground)95 IPORT4 I Input expansion port terminal 4 (normally connected to ground)96 IPORT3 I Input expansion port terminal 3, Front mix select (H:Outside, L:Inside)97 IPORT2 I Input expansion port terminal 2, RF select(H:Exist, L:None)98 IPORT1 I Input expansion port terminal 1, DTS select (H:DTS (YSS918), L:Non DTS (YSS908))99 IPORT0 I Input expansion port terminal 0, SRAM select (H:1M, L:256K)No. Name I/O Function100 VSS GroundIC4 : YSS918D-F (AC3D2av)DSP + AC-3(Dolby Digital)/ Pro Logic/ DTS Digital Surround Decoderwww . xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299http://www.xiaoyu163.comhttp://www.xiaoyu163.com