MLC3500 64-TQFP-1010 - Datasheet Archive

 

MPEG Audio Layer2/3 and Window Media Audio Decoder with Low Bit Rate VOCODER MLC3500 PRODUCT BRIEF 01 Features 1.1Physical

 

MLC3500 MLC3500 MPEG Audio Layer2/3 and Window Media Audio Decoder with Low Bit Rate VOCODER MLC3500 MLC3500 PRODUCT BRIEF 01 Features 1.1Physical Features Supply Voltage : 2.5V ± 10%, I/O Supply Voltage : 3.3V ± 10% > Low power consumption : > Input crystal frequency : 16.9344MHz > Package type : 64-TQFP-1010 64-TQFP-1010 > 1.2 Firmware Features 1.2.1 Audio > Single-chip MPEG 1/2 layer 2 and 3 decoder > Windows Media Audio(WMA) decoding > Supports ASF(Advanced Streaming Format) decoding > Support ID3 tag V1 and V2 extraction > Extension to MPEG 2 / layer 3 for low bit rates (MPEG 2.5 - LSF) > Bit streams with variable bit rates (bit rate switching) are supported > Full bit rates MPEG file Decoding including free format > Full bit rates WMA file Decoding > Support Digital volume control > 7 band sound Equalizer for MP3 and WMA > 7 band graphic Equalizer for MP3 and WMA > MEBB (MCS Logic Enhanced Bass band) sound algorithm > Optional sampling rate conversion to 44.1Khz for off-chip general audio DAC > Channel mixing or separating for two different audio sources > Supports Software MUTE / Pause / Resume > Supports total(only WMA file) and play time display 1.2.2 Voice Support Digital volume control for both encoding(recording) and decoding(play) > Support Loop-back mode for encoding volume monitoring > 7 steps playback speed control > Channel mixing or separating for two different voice sources for both encode and decode > Support encoding(recording) and decoding(play) time display > Low bit rate MLCELP (MCS Logic proprietary speech coding algorithm) °6.5Kbps compression rate (fs=8KHz) °VAD(Voice Activity Detection) / CNG(Comfort Noise Generation) function °VOR(Voice Operation Recording) function > High quality MLPCM (MCS Logic proprietary modified ADPCM algorithm) °32Kbps/64Kbps/128Kbps compression rate (Fs=8KHz, 16KHz, 32KHz) > 1.3 External Audio CODEC Interface Standard serial PCM and I2S mode supported Master mode only (AC_MCK, AC_BCK, AC_LRCK pins are all output mode) > ADC data input from external CODEC is received via AC_DI pin (encoding) > DAC data output to external CODEC is transmitted via AC_DO pin (decoding) > Support industry standard over-sampling rates of 384Fs only > Data transfer lengths of 16, 24, 32 bits per channel are supported > LRCK, BCK polarity selectable > Left/Right justified data align, MSB/LSB first selectable > > www.mcslogic.com MPEG Audio Layer2/3 and Window Media Audio Decoder with Low Bit Rate VOCODER MLC3500 MLC3500 1.4 Host Interface 1.6 Five GPIO with 16-bit Timer > Serial Interface °4-wired data interface ( SCLK, SDAT, SLAT, SENSEB ) > Parallel Interface °12-wired data interface ( HAD[7:0], CSB(SDAT), ALE(SCLK), RWB(SLAT), WAITB(SENSEB) ) > Serial/Parallel host interface is selectable by setting the HIMODE pin > General purpose I/O : 5-port (GPIO4, GPIO3, GPIO2, GPIO1, GPIO0) °Host controller can controls(data read and write) these 5 GPIO independently with host command. °Alternative 16-bit timer related signals are sharing these pins. GPIO0(TCAP/TOUT), GPIO4(TCLK) 1.5 Bit Stream and Coded Voice Data Port > 16-bit Timer °Three operating mode Match mode with TOUT pin signal output Capture mode(falling or rising edge of TCAP pin) with TDATA1,0 register read by host controller PWM mode with TOUT pin signal output °Internal and External Timer clock selectable Internal : 16.9344MHz External : TCLK pin input 3-wired serial bit stream and coded voice data input/output (SPI) °DREQB(O), S_CLK(I), S_DI(I), S_DO(O) > Parallel handshake bit stream and coded voice data input/output °DIO[7:0] bus is output mode with DREQB(O), ILATB(I), OLATB(O) @encode, transmit °DIO[7:0] bus is input mode with DREQB(O), ILATB(I), OLATB(O) @decode, receive > Serial/Parallel data interface is selectable by setting the DIMODE pin > HAD[7:0] and DIO[7:0] bus can be connected to same 8-bit data bus of host controller to reduce the number of pins. > 02Diagram Block MCS Logic Inc. 6F. Samho Center B Bldg., 275-6, Yangjae-dong, Seocho-ku, Seoul 137-941, Korea TEL : +82-2-3462-7474 FAX : +82-2-3462-7471 MCS Logic (HK) Ltd. Room 1601, Swire & Maclaine House, Austin Avenue, Tsim Sha Tsui, Kowloon, Hong Kong TEL : +852-2376-2322 FAX : +852-2317-6077