| 摘要 |
An electronic device having a video circuit for driving a display ( 100 ), the video circuit comprising one or more working registers ( 240 ) and a reset circuit ( 220, 230 ). The working register or registers ( 240 ) store video parameters of the display ( 100 ) and, optionally, the video circuit may be associated with one or more video synchronization signal ( 210 ). The reset circuit ( 220, 230 ) receives a periodic signal, such as the video synchronization signal or signals ( 210 ), and provides predetermined video parameters to the working register or registers ( 240 ) of the video circuit in response to receiving the periodic signal.
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