Expansion Board For EPI Suits Security Apps

Texas Instruments has launched the Stellaris FPGA Expansion Board for the DK-LM3S9B96 development kit, for developers of security-access-control applications. The board enables developers to easily evaluate the high-bandwidth machine-to-machine (M2M) parallel-interface capability of Stellaris microcontroller's (MCU) flexible External Peripheral Interface (EPI).

With data widths of up to 32 bits and data rates of up to 150MB per second, the M2M mode of EPI was specifically developed to enable developers of low-cost security-access-control applications to interface cameras or low-resolution video with a Stellaris MCU that can provide cost-effective Ethernet communication of processed, encoded imagery.

In such systems, dedicated video processing is handled by an FPGA or DSP and the encoded images are communicated via the on-chip Ethernet MAC+PHY of a Stellaris MCU. The quickstart application on the expansion board allows developers to show the FPGA's camera-captured and FPGA-processed video on the 3.5in touchscreen display of the DK-LM3S9B96.

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