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2002•Journal of Zhengzhou Institute of Light IndustryRequires access

Design of speech interface for DSP chip TMS320VC5402

Zhu Xiao

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Abstract

In allusion to the question of A/D,D/A conversion interface of speech processing system,the interface circuit with master slave function between fixed point DSP TMS320VC5420 and A/D,D/A analog interface chip TLC320AD50C are designed.TMS320VC5402 device includes two mulitchannel buffered serial ports consisting of separate transmit and receive channels.The TLC320AD50C device can be initialized through calculating the sampling rate and programming to set the serial ports operate mode,then the connection between two chips are built.So the high speed,flexible and reliable data transfer can be realized.

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What this paper is about

In allusion to the question of A/D,D/A conversion interface of speech processing system,the interface circuit with master slave function between fixed point DSP TMS320VC5420 and A/D,D/A analog interface chip TLC320AD50C are designed.TMS320VC5402 device includes two mulitchannel buffered serial ports consisting of separate transmit and receive channels.The TLC320AD50C device can be initialized through calculating the sampling rate and programming to set the serial ports operate mode,then the connection between two chips are built.So the high speed,flexible and reliable data transfer can be realized.

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Available abstract

In allusion to the question of A/D,D/A conversion interface of speech processing system,the interface circuit with master slave function between fixed point DSP TMS320VC5420 and A/D,D/A analog interface chip TLC320AD50C are designed.TMS320VC5402 device includes two mulitchannel buffered serial ports consisting of separate transmit and receive channels.The TLC320AD50C device can be initialized through calculating the sampling rate and programming to set the serial ports operate mode,then the connection between two chips are built.So the high speed,flexible and reliable data transfer can be realized.

Key concepts: Interface (matter), Digital signal processing, Serial port, Computer science, Computer hardware, Chip, Serial communication, Transfer (computing)

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