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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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