LE402CS
2 Channel Audio Development Kit

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Brochure: le402cs_br.pdf (415 KB)


   Kit Includes:

  • DT402EB Evaluation Board
  • DT4218DB Audio Daughterboard 
  • User Guide

Overview

Features

Description

Demo Software

Ordering


Overview

Enhance your ZSP based product development and testing using this two channel audio development system. The LE402CS provides stereo audio input and output for the advanced DT402EB evaluation board with access to all ZSP 402ZX peripherals and external memory. 

In addition, sample projects for ZViewIDE and a helpful user guide are also provided.

 


 

Features

DT402EB Features:

  • 402ZX 200 MHz ZSP
  • 256Kx16 SRAM
  • 512Kx16 Flash ROM
  • 2x16 characters LCD Display
  • 16 LEDs controlled by ZSP
  • 8 push button switches
  • 12.288 MHz clock oscillator
  • 2 20-pin serial ports (SPORT)
  • 3 26-pin ports for user signals
  • Dimensions: 7"x5.5"

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DT4218DB Features:

  • 16-bit Stereo Audio Codec
  • ∆∑ A/D and D/A converters
  • Stereo Line In/Out
  • Dual MIC In
  • Sampling Rates: 48 - 7.35 kHz
  • Dimensions: 3"x2"

 


Description

The LE402CS is a 2 channel audio development kit containing the DT402EB board and the DT4218DB audio board.

The DT402EB  features the 402ZX 200 MHz ZSP with 256K words of external SRAM and 512K words of external Flash, a programmable CPLD (Lattice LC4128V) containing external memory decode logic, LCD and LED controllers, a 16-bit user I/O controller, and a rotary switch for selection of the ZSP operating frequency. Built in are two serial port connectors and an external host port interface. The DT402EB has either an external power supply or utilizes the USB.

The DT4218DB  features the Cirrus Logic CS4218 16-bit stereo Delta-Sigma Codec. With two external clock sources, it supports sampling rates of 48 8 kHz and 44.1 - 7.35 kHz. It features stereo line level output and a user selectable option of stereo line level input/ dual microphone. The microphone circuit supports electret microphones with bias voltage and pre-amp module. The board features an 8-bit microcontroller providing an I2C interface to the ZSP, a controlling oscillator selection as well as programming of the codec operating features.

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Pre-programmed, sample applications are provided for use with ZViewIDE ; the Integrated Development Environment is a windows based, open, industry supported, extensible software development environment which provides a compiler, linker, source code project manager, editors, and a ZSP target debugger. 


 

Demo Software

Utilize the demo software, sources included, to test the CS4218 chip on the DT4218DB audio daughterboard. The Graphical user interface of the demo monitors incoming waveforms and displays their amplitude values.  For more information on the demo software, please review the Users Guide: dt4218db_ug.pdf (453 KB). 

 

 

 

 

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