本讲是Camera Sensor驱动专题的第4讲,我们讲解Camera Sensor 电源和时钟。
更多资源:
资源 | 描述 |
---|---|
在线课程 | 极客笔记在线课程 |
知识星球 | 星球名称:深入浅出Android Camera 星球ID: 17296815 |
极客笔记圈 |
Camera Sensor State Machine
Camera Sensor Power Timing
Power on Sequence
Power off Sequence
Camera Sensor Clock
PLL Block
VTPixelClock
VTPixelClock(vt_clk)Video Timing Clock, From sensor PLL
VTPixelClock = Framelengthlines x LinelengthPixelClock x FPS
OutputPixelClock
OutputPixelClock = DataratePerLane x Lane number / BitWidth
Example:
1920x1080_30fps_10bit_4lane_1.6992Gbps
OutputPixelClock = 1.6992Gbps x 4 / 10 = 679680000
MIPI Clock = DataratePerLane / 2 = 1.6992Gbps / 2 = 849.6Mbps