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Techwell Unveils Complete End-to-End Penta-Plex DVR Solution

4-Channel embedded DVR capable of performing HDD storage, playback, spot monitor, networking and USB back-up simultaneously

SAN JOSE, Calif. (March 27, 2007) - Techwell, Inc. (Nasdaq:TWLL), a leading designer of mixed signal video semiconductor solutions for the security surveillance, automotive, and consumer electronics markets, today announced a complete end-to-end 4 channel DVR solution with Penta-Plex capability. Based on the TW2700 4 Channel MJPEG CODEC and the TW2815 4-in-1 NTSC/PAL video decoder with audio ADCs and audio mux, the Penta-Plex DVR solution is a cost-effective, feature-rich turnkey DVR for retail and commercial surveillance customers. This fully optimized solution features the capability to store, playback, monitor, network, and back up at the same time.

"Techwell's customers are demanding more end-to-end solutions including decoding, multiplexing, compression, networking and display technology. Combining the TW2815 and the TW2700 controller enables a two-chip solution versus up to 11 separate chips to perform the same functions - four NTSC/PAL video decoders, four audio A/D converters, one multiplexer, one MJPEG CODEC, and one NTSC/PAL encoder," said David Nam, VP Sales and Marketing for Techwell, Inc. "We are very excited to provide turn key solutions based on our chips that can address customer's needs in the security surveillance market. Our high level of support, free schematics, source code and application drivers enable customers a cost-effective and time critical solution."

TW2700 4-Channel MJPEG CODEC with integrated Mux
The TW2700 is a real-time 4-channel video compression controller for security applications that can compress and decompress 4 full-size video data streams simultaneously. As Techwell's first chip in the CODEC segment of the DVR application, this RISC-based controller can be used with the TW2815 to provide a complete DVR solution. Features include four ITU-R BT.656 compatible video input ports; an independent compression engine for each channel with a proprietary algorithm; support for Triplex operations, simultaneous recording, playback and network connection; and support for up to sixteen channels through cascade mode.

TW2815 4-in-1 video decoder with audio ADC and audio Mux
The TW2815 and TW2816 include four integrated analog anti-aliasing filters, 10-bit CMOS ADCs, and high-performance adaptive 4H comb filters for all NTSC/PAL standards. Both ICs provide simultaneous four channel Full D1 and CIF time-multiplexed outputs with 54MHz, and both operate at an ultra low level of power (typically 480-500 mW). In addition, the TW2815 offers four integrated audio ADCs, an audio DAC, multi-channel audio mixed analog output, and support for a standard I2S interface for record output and playback input.

Pricing and Availability
Please contact a local Techwell sales representative for evaluation boards, samples and pricing. sales@techwellinc.com

Documentation
TW2815 Brochure
TW2700 Brochure

About Techwell
Techwell is a semiconductor company that designs, markets and sells mixed signal integrated circuits for multiple video applications in the security surveillance, automotive and consumer electronics markets. Techwell designs both general purpose and application specific products that enable the conversion of analog video signals to digital form and perform advanced digital video processing to facilitate the display, storage and transport of video content. Headquartered in San Jose, CA, Techwell currently has over 90 employees in the U.S., Korea, Taiwan, China and Japan. Please visit www.techwellinc.com for more information.

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This press release and related conference call contain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. These forward-looking statements may be identified by terminology such as may, will, could, should, anticipate and expect and the negative of these terms or other similar expressions. These are statements that relate to future events and include, but are not limited to the success of the TW2700 and TW8806, as well as the migration by future customers to Techwell’s next generation video decoders. These are statements that relate to future events and include, but are not limited to Techwell’s belief that demand for its products will continue to grow in the second half of 2007 and its ability to better address customer requirements, leverage technology capabilities and achieve greater market share, statements relating to future opportunities, success in digital video markets, continued growth as a public company and its anticipated revenues and operating expenses for the third quarter of 2007. Forward-looking statements are subject to risks and uncertainties that could cause actual results to differ materially from those discussed in these forward-looking statements. These risks and uncertainties include, but are not limited to: Techwell’s dependence on increased demand for digital video applications for the consumer, security surveillance and automotive markets, the potential decline in average selling prices for Techwell’s products, competition, dependence on key and highly skilled personnel, the ability to develop new products and enhance existing products, as well as other risks detailed from time to time in its SEC filings, including those described in the Risk Factors section in Registration Statement on Form S-1. Statements included in this release are based upon information known to Techwell as of the date of this release, and Techwell assumes no obligation to update information contained in this press release.