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ST75C530FP-A Folha de dados(PDF) 1 Page - STMicroelectronics |
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ST75C530FP-A Folha de dados(HTML) 1 Page - STMicroelectronics |
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1 / 84 page  ST75C530 ST75C540 SUPER INTEGRATED DEVICES WITH DSP, AFE & MEMORIES FOR TELEPHONY, MODEM, FAX OVER INTERNET & POTS LINES February 1999 TQFP80 (14 x 14 x 1.4mm) (Full Thin Plastic Quad Flat Pack) ORDER CODE : ST75C530FP-A ST75C540FP-A SUMMARIZED FEATURES (for detailed features, see page 4) . SINGLE CHIP FAX Up to 14.4Kbps (V.17) . FULL DUPLEX DATA MODEM UP TO 14.4Kbps (V.32Bis) . DIGITAL ANSWERING MACHINE : - 4.8Kbps VOCODER - VARIABLEPLAYBACK SPEED (+50% to -50%) - ADPCM 32, 34, 16Kbps VOCODER . FULL-DUPLEX DIGITAL SPEAKERPHONE WITH ECHO CANCELLATION . PROGRAMMABLE RING DETECTION . 16 PROGRAMMABLE TONE DETECTORS FOR CLID AND SCWID . DTMF DETECTION . VERSATILE HOST INTERFACES . 16 GENERAL PURPOSE I/O PORTS . 2 RELAY DRIVE OUTPUTS . SINGLE 5V POWER SUPPLY . TYPICAL ACTIVE POWER CONSUMPTION : 650mW (ST75C530), 750 mW (ST75C540) . LOW POWER MODE < 30mW . 80-PIN TQFP PACKAGE (14mm x 14mm) DESCRIPTION ST75C530 and ST75C540 are two super-inte- grated devices including DSP, Modem and Audio Analog Front Ends and memories for Telephony, Modem and FAX applications. These devices can be used for classical applica- tions over POTS lines or over Internet. The super integration technology allows a signifi- cant cost reduction on bill of materials for equip- ment like High-End phones, INTERNET phones, phone-Fax, INTERNET FAX, ... The devices are used with a host processor through a Dual Port RAM allowing the use of any kind of microcontroller (RISC, CISC, General Pur- pose 8-bit µC, ...). The embedded software includes : - handset with listening group capability, - full duplex handsfree, - voice coder/decoderat 4.8Kbpsfor staticanswer- ing machine applications and ADPCM 16Kbps, 24Kbps and 32Kbps for high quality message recording, - Tone and DTMF generators, - Tone and DTMF detectors, - FAX up to 14.4Kbps, - Data-Modem up to 14.4Kbps (ST75C540 only). The DSP sofware is extensively user configurable allowing specific functions to be supported like Caller Identifier (CLID) and Second Call Waiting Identifier (SCWID). The DSP software includes a transparent mode allowing the host controller to access directly the modem Analog Front End and the Audio AFE through the dual Port RAM. This is very useful for hostprocessing modem solutions (or soft modem) where the modulation and the demodulation (V.34, V.90) are done by the application main processor. In transparent mode, the embedded DSP can be used simultaneously with the same samples. The transparent mode for audio AFE is provided to play audio files or to record voice and/or audio. 1/84 |
Nº de peça semelhante - ST75C530FP-A |
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Descrição semelhante - ST75C530FP-A |
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