Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw MP3/WMA Decoder IC PT8406 DESCRIPTION The PT8406 is a single chip MPEG audio decoder capable of decoding all layers compressed elementary streams, as specified in MPEG 1 and MPEG 2 ISO standards, including the so called MP3. Enhance with time-stretch and pitch-shift functions, this chip is suitable for language learning application. Another decoding function that PT8406 support is the Window Media Audio or WMA by Microsoft. FEATURES • Decoder supports all layer and all the sampling frequency of MPEG1 (32/44.1/48KHz), MPEG2 (16/22.05/24KHz) and MPEG 2.5. • Support Microsoft Window Media Audio V2/V7/V8/V9 format for decoding. • Time-stretch and pitch-shift functions for various applications, including language learning • Serial/parallel bit stream input interface • Parallel bit stream output interface • DAC master clock (256*fs1 / 384*fs for 16 / 24 bit DAC) is supported • Spectrum analyzer output register for spectrum graphic display • Build-in volume and digital equalizer control • Low operating voltage, 2.5V. • 44-pin Plastic LQFP APPLICATIONS • • • • Portable MP3/WMA player Language learning machine PDA, Electronic dictionary All other MP3/WMA applications 1 fs: sampling frequency. PT8406 V1.1 -1- March, 2006 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw MP3/WMA Decoder IC PT8406 44 PWR_DW 3 MCLKIN 4 VCC 5 OSCI 6 OSCO 7 GND 8 ADC_DI 9 ADC_WC 10 ADC_CLK 11 39 38 37 I O O O I/O I/O P P O I I I P I O P I I I B_ENA BD BCK TEST2 ERR IICC VCC GND 40 36 35 34 I I I PT8406 O O O O I 17 TE 16 TEST3 15 MCLKO 14 ACKQO 13 ADQO ALRQO 12 I O O P P 31 I/O I/O I/O I/O I/O I/O I P P I/O I/O I 18 19 20 21 PD_ENA 33 32 30 29 28 27 26 25 24 23 PD_ACK DATA_REQ VCC GND PDATA7 PDATA6 PDATA5 PDATA4 PDATA3 PDATA2 22 PDATA1 2 41 PDATA0 /RST 42 PVCCA PGNDA 1 43 TEST1 DSPRDY IICD FRM_SYN 2HZ PIN CONFIGURATION Figure 1. Pin Assignment (P: Power pins, I/O: IO pins) PT8406 V1.1 -2- March, 2006 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw MP3/WMA Decoder IC PT8406 ORDER INFORMATION Valid Part Number PT8406-LQ PT8406 V1.1 Package Type 44 pins, LQFP -3- Top Code PT8406-LQ March, 2006