Closed Caption Signal Extraction Ic Semicon Device

The LC7455A M extracts the closed caption signal superimposed on a Video signal during the vertical return period and, under the control of a Clock signal provided by the decoder IC, transfers that signal to the IC (usually a microcontroller) that decodes the closed caption data. The LC7455A M supports four operating modes. Modes 1 and 2 CAN be used for XDS. In these modes, the LC7455A M, in combination with the decoder IC (microcontroller), extracts the caption signal superimposed on field 2 and uses it for NTSC VCR functions such as the Automatic time and date setting function. In modes 3 and 4, the LC7455A M, in combination with the decoder IC (microcontroller), extracts the caption signal superimposed on fields 1 and 2 and uses it for NTSC TV applications (mode 3) or PAL TV applications (mode 4). By Sanyo Semiconductor Corporation
LC7455A 's PackagesLC7455A 's pdf datasheet



LC7455A Pinout, Pinouts
LC7455A pinout,Pin out
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