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Product category: Communications ICs (Wired)
News Release from: Texas Instruments (April 2001-March 2006) | Subject: TMS320C54CST
Edited by the Electronicstalk Editorial Team on 14 November 2001

Telephony solution incorporates 14 DSP
algorithms

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Texas Instruments' new client-side telephony (CST) system solution incorporates 14 of the industry's most popular telephony algorithms on-chip to accelerate time to market.

By incorporating 14 of the industry's most popular telephony algorithms on-chip, Texas Instruments' new client-side telephony (CST) system solution simplifies and accelerates customers' time to market with differentiated public switched telephone network (PSTN)-connected products The new DSP system solution, announced today, is the first to offer such a wide array of telephony algorithms to designers of low-cost consumer and industrial telephony end-equipments including Internet appliances, security systems and remote data collection and metering equipment

By embedding an extensive library of telephony algorithms from TI third party Spirit into the DSP, startup costs are reduced by eliminating up-front fees and royalties.

The TMS320C54CST (C54CST) DSP system solution is the newest member of TI's TMS320C5000 DSP platform and provides an open DSP/BIOS real-time kernel software framework with a complete telephony algorithm library, on-chip memory and peripherals.

TI provides the C54CST DSP, support and training, eliminating the need for multiple devices and the task of working with several vendors to negotiate for software.

Because all the Spirit algorithms comply with TI's TMS320 DSP algorithm standard, customers can confidently focus their valuable design time and dollars on product differentiation.

The 14 Spirit algorithms in the C54CST DSP comply with TI's DSP algorithm standard and can be used in either fixed function or open programmable mode.

Manufacturers can either speed directly to market with a black-box solution or add their own variations.

The device can function as a chipset controlled by a host processor through AT-commands sent via the UART interface, or it can be used in a FLEX mode, programmed to perform customer user functions that take advantage of the optimised ROM contents.

TI selected Spirit because of its extensive telephony algorithm knowledge, software excellence, timely support and quality of user documentation.

The C54CST DSP solution offers 14 eXpressDSP? - compliant algorithms from Spirit in on-chip ROM.

The algorithms are: V.32bis/V.32, V.22bis/V.22, V.42 error correction, V.42bis compression, DTMF generation, DTMF detection, caller ID types 1 and 2, call progress and tone detection, G.165 line echo cancellation, G.726 ADPCM compression, G.711 PCM, automatic gain control (AGC), voice activity detection (VAD), and comfort noise generator (CNG).

By employing the client side telephony framework on the DSP/BIOS kernel, TI and Spirit make it easy to add new functions without disrupting the real-time behaviour of the telephony algorithms, while reducing time to market and costs.

The highly integrated chip includes software; on-chip digital data access arrangement (DAA) for modem applications; hardware UART; two multichannel buffered serial ports (McBSPs); two timers; and a host processor interface (HPI).

This integration delivers significant system size and power savings.

The C54CST DSP operates at less than 25mW power consumption.

This new offering complements TI' s complete, integrated silicon and software solutions for feature-rich residential/SOHO, enterprise and high density, carrier class VoIP platforms.

Manufacturers can begin design today.

TI's evaluation board includes the C54CST DSP and analogue DAA, external Flash, external SRAM, RS-232 serial interface and JTAG interface.

A TI reference design features all schematic and layout guidelines, the bill-of-materials list and documentation.

The C54CST DSP system solution is available today for $9.75 in quantities of 10,000.

Texas Instruments (April 2001-March 2006): contact details and other news
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