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Embedded Systems ECE 420: DSP Lab

Embedded Systems I. Traditionally:Special purpose computer designed to perform one or a few dedicated functionsReal-time constraintsEmbedded" as part of a complete deviceExamplesModem/routerTraffic lightsMicrowaveDigital watch. Embedded Systems II. More loosely:Low power, portable devices

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Embedded Systems ECE 420: DSP Lab

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    1. Embedded Systems & ECE 420: DSP Lab October 27, 2008

    2. Embedded Systems I Traditionally: Special purpose computer designed to perform one or a few dedicated functions Real-time constraints Embedded as part of a complete device Examples Modem/router Traffic lights Microwave Digital watch

    3. Embedded Systems II More loosely: Low power, portable devices May or may not have real-time critical constraints Embedded user interface Examples

    4. TI OMAP Overview Open Multimedia Application Platform Originally designed for Nokia Offers low-power, real-time processing capabilities of a DSP with the command and control functionality of a GPP (general purpose processor) OMAP platforms available for projects in ECE 420: OMAP 5912 Starter Kit (OSK) OMAP 3503 Evaluation Module (EVM) Beagle board (OMAP 3530)

    5. OMAP vs. DSP Starter Kit

    6. OMAP 5912 Starter Kit Example applications Mimosa Acoustics HearID auditory diagnostic system Audio playback with real-time user control

    7. Audio Playback with User Control Typical application processing flow

    8. OMAP 35x The OMAP 3 architecture is designed to provide best-in-class multimedia processing (i.e. audio, video, image, graphics) Streaming video 2D/3D mobile gaming Video conferencing Video and image capture Rich multimedia-featured handsets and PDAs

    9. OMAP 3503 Evaluation Module OMAP 3503 600 MHz ARM Cortex-A8 Compared to 198 MHz ARM in 5912 Enhanced user interface LCD touchscreen Push buttons Example application

    10. Patient Monitoring System

    12. Beagle Board OMAP 3530 600 MHz ARM Cortex-A8 430 MHz c64x DSP Compared to 196 MHz fixed point c55x DSP 2D/3D graphics accelerator Supports OpenGLES 2.0, Direct3D Example applications

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