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Image processing LSI NTSC/PAL Codec Analog video decoder/encoder TW9920-TW9920
Image processing LSI NTSC/PAL Codec Analog video decoder/encoder TW9920-Silicon Device Co., Ltd.

Image processing LSI NTSC/PAL Codec Analog video decoder/encoder TW9920
Silicon Device Co., Ltd.

Silicon Device Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

71.5hours


About This Product

TW9920 is a multi-standard video decoder/encoder designed for multimedia applications. Low power and high quality resolution is achieved with mixed-signal 2.5V CMOS technology. The video encoder can convert digital YCbCr input to analog CVBS or S-video output. Five built-in DACs support S-video output and analog YCbCr output simultaneously, supporting a variety of applications. Furthermore, it also supports NTSC (60Hz) and PAL (50Hz) output. A stable crystal 27MHz clock is used for all subcarrier generation. ITU-R656 compatible external digital input is also possible. The video decoder converts analog CVBS or S-video signals to digital YcbCr for output. The TW9920 has an analog front end with selectable input source, various gain amplifiers, analog to digital converter, Y/C separation circuit, multi-standard color decoder (PAL BGHI, PAL M, NTSC4.43, SECAM), It consists of a synchronous circuit. For Y/C separation, a 4H comb filter is used that is highly compatible with attenuated intermediate colors and intermediate brightness. Advanced synchronization processing circuit can display stable images even with weak or non-standard signals. The video scaler allows you to arbitrarily scale down the video output. The decoder output is formatted into an ITU-R compatible output. Additionally, it has various control circuits for brightness, contrast, saturation, and dynamic aperture correction to provide the highest quality video.

■Device information

・2-wire MPU serial bus interface. ・Power down mode. ・Field-locked audio clock generation. ・Power consumption TBD (tyical). ・27MHz crystal. - Supports 24.54MHz and 29.5MHz crystal for high resolution square pixels. ・3V tolerant I/O. ・2.5/3.3V, operating power supply. ・TBGA package.

  • Product

    Image processing LSI NTSC/PAL Codec Analog video decoder/encoder TW9920

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1 Models of Image processing LSI NTSC/PAL Codec Analog video decoder/encoder TW9920

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Image processing LSI NTSC/PAL Codec Analog video decoder/encoder TW9920-Part Number-TW9920

TW9920

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About Company Handling This Product

Response Rate

100.0%


Response Time

71.5hrs

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