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| 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 PIN CONFIGURATION FRM_SYN B_ENA 34 TEST2 IICD VCC GND IICC ERR 2HZ BCK DSPRDY /RST PWR_DW MCLKIN VCC OSCI OSCO GND ADC_DI 1 2 3 4 5 6 7 8 9 I O O O I/O I/O P P O I I I P I O P I I I 12 13 14 44 43 42 41 40 39 38 37 36 BD 35 I I I I O O P P PD_ENA 33 32 31 30 29 28 27 26 25 24 23 PD_ACK DATA_REQ VCC GND PDATA7 PDATA6 PDATA5 PDATA4 PDATA3 PDATA2 PT8406 I/O I/O ADC_WC 10 ADC_CLK 11 OOOO I 15 16 I 17 I/O I/O I/O I/O I P P I/O I/O 18 19 20 21 22 ACKQO ALRQO MCLKO ADQO TEST3 TEST1 PVCCA PGNDA TE PDATA0 Figure 1. Pin Assignment (P: Power pins, I/O: IO pins) PT8406 V1.1 -2- PDATA1 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 Package Type 44 pins, LQFP Top Code PT8406-LQ PT8406 V1.1 -3- March, 2006 |
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