SNLS478B NOVEMBER 2014 – May 2020 DS90UH940-Q1
PRODUCTION DATA.
The DS90UH940-Q1 D-PHY supports Continuous clock mode and Non-Continuous clock mode on the CSI-2 interface. Default mode is Non-Continuous Clock mode, where the Clock Lane enters LP mode between the transmissions of data packets. Non-continuous clock mode will only be non-continuous during the vertical blanking period for lower PCLK rates. For higher PCLK rates, the clock will be non-continuous between line and frame packets. Operating modes are configurable through 0x6A [1].
Clock lane enters LP11 during horizontal blanking if the horizontal blanking period is longer than the overhead time to start/stop the clock lane. There is auto-detection of the length of the horizontal blank period. The fixed threshold is 96 PCLK cycles.