DM642 Evaluation Module
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The DM642 Evaluation Module (EVM) is a low-cost high performance video & imaging development platform designed to jump-start application development and evaluation of multi-channel, multi-format digital and other future proof applications. Leveraging the high performance TMS320C64x DSP core, this development platform supports TI’s TMS320DM642, DM641 & DM640 digital media processors.

Developed in conjunction with Spectrum Digital, this PCI form factor EVM includes the necessary components to enable you to:

  • Start application software development immediately
  • Understand DSP functionality for video experts
  • Build video, audio & internet streaming functionality into existing designs
  • Simplify overall system design
  • Differentiate your product with cutting edge software
  • Design for flexibility to respond to evolving standards



Source code is available for Video Application demos for Composite/S-Video In/Out, Capture/Display pass-thru, On-Screen Display (OSD) and Audio Loopback, while object code libraries are included for Streaming Media executable demos such as Video Loopback (H.263, MPEG-2 video and JPEG), TCP/IP Networking stack (Client Configuration), Network camera and Audio Loopback (G.729).


TMDSEVM642 includes a standard US power cord

TMDSEVM642-0E version includes a European power cord


DM642 EVM hardware features:

DSP & Memory

  • 720 Mhz DM642 DSP
  • 4 MBytes Flash, 32 MB of 133 MHz SDRAM and 256 kbit I2C EEPROM

Video Capture

  • 3 Female RCA connectors for composite video input (NTSC, PAL)
  • 1 Female S-Video connector for component (Y-C) video input (NTSC, PAL)

Video Display

  • TVP5150/5146 Video Decoder
  • 3 Female RCA connectors (1 for composite video output, and 3 for RGB output or HDTV)
  • 1 Female S-Video connector for RGB monitor output
  • 1 Female 15-pin VGA connector for RGB monitor output
  • On-Screen Display support (OSD FPGA)


  • 2 Channel Line In (stereo), 8kHz to 96 kHz sampling rate
  • 2 Channel Line Out (stereo)
  • 1 Microphone Input (mono)


  • Can be used as a PCI plug-in card or stand-alone with an external power supply brick (+5V)
  • 10BASE-T or 100 Base-TX using single RJ-45 connector
  • Dual UART interface
  • Daughter card interface for video port and memory bus expansion

Emulation, Power, Miscellaneous

  • 14-pin JTAG for external emulation hardware support
  • 60-pin next generation emulation header for advanced emulation features such as Trace and High Speed Real-Time Data Exchange
  • Boot mode selection via switches
  • Push button reset
  • 8 User defined LEDs and GPIOs
  • On-board switching voltage regulators for adjustable DSP core voltage (+1.2 to +1.4) and fixed +1.8V (OSD FPGA) and +3.3V

DM642 EVM Software:

  • Installation support for CCStudio v2.2 and v3.0.
  • DM642 Chip Support Package, DSP/BIOS kernel support for the new peripherals (Video Port, VIC, EMAC, MDIO)
  • Device Driver Kit (DDK), which includes drivers for DM642 video capture and display drivers for the DM642 EVM card, AIC23 audio codec driver, Dual UART driver, Generic McASP data mover driver for C64x DSPs, and PCI target-side driver from Valley Technologies.
  • eXpressDSP Reference Framework 5
  • Video Application Demos including source code for: Capture/Display Pass-thru Demos (Composite/S-Video In/Out), On-Screen Display (OSD), Audio Loopback
  • Streaming Media Executable Demos (with object code libraries) Video Loopback demos
  • (H.263, MPEG-2 video and JPEG), TCP/IP Networking stack (Client/Configuration), Network Camera Demo and Audio Loopback (G.729)

What's Included 

The full contents of the kit include:

  • DM642 EVM Baseboard
  • DM642 EVM CD (contents described above)
  • DM642 EVM Quick Start Guide
  • DM642 EVM technical reference
  • 5V/5A Power Supply
  • Multilingual Regulatory Compliance Statement

Technical Documents
Third party documents (1)
Title Date Type
Technical Documentation & Schematics for DM642 EVM - from Spectrum Digital Inc. 24 Mar 2011
Application notes (15)
Title Type Size (KB) Date
PDF 1426 31 Aug 2004
PDF 168 16 Jul 2004
PDF 157 16 Jul 2004
PDF 154 16 Jul 2004
PDF 168 16 Jul 2004
PDF 109 14 Oct 2003
Multiple Files   10 Oct 2003
PDF 222 31 Aug 2003
PDF 244 31 Aug 2003
PDF 717 31 Aug 2003
PDF 230 31 Aug 2003
PDF 216 31 Aug 2003
PDF 209 31 Aug 2003
PDF 238 31 Aug 2003
PDF 220 31 Aug 2003
User guides (2)
Title Type Size (KB) Date
PDF 127 12 Jul 2004
PDF 241 26 Jun 2003
More literature (2)
Title Type Size (KB) Date
PDF 38 02 Jan 2019
PDF 133 31 Jul 2003

Reference Designs  ( 1 )

Name Part Number Tool Type
DM64x Digital Media Developer's Kit with NTSC Camera  TMDSDMK642  Reference Designs 

TI Devices (7)

Part Number Name Product Family
TMS320DM640  Video/Imaging Fixed-Point Digital Signal Processor  Digital signal processors (DSP) 
TMS320DM641  Video/Imaging Fixed-Point Digital Signal Processor  Digital signal processors (DSP) 
TMS320DM642  Video/Imaging Fixed-Point Digital Signal Processor  Digital signal processors (DSP) 
TMS320DM642Q  Video/Imaging Fixed-Point Digital Signal Processor  Digital signal processors (DSP) 
TMS320DM643  Video/Imaging Fixed-Point Digital Signal Processor  Digital signal processors (DSP) 
TVP5146  NTSC/PAL/SECAM 4x10-Bit Digital Video Decoder With Macrovision Detection, YPbPR/RBG Inputs  Interface 
TVP5154  4 Channel Low Power PAL/NTSC/SECAM Video Decoder With Independent Scalers  Interface 

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