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In OV7680, Don't put external DVDD supply into sensor, Sensor only need IOVDD & AVDD. Pls take note the attached schtmatic!
In OV9660, Don't put external DVDD supply into sensor, Sensor only need IOVDD & AVDD. Pls take note the attached schtmatic!
Both above OV7680/9660 sensor VREFD pin need one capactor(0.1uF) to DGND in module, the capacotor should near close with VREFD/DGND pin.
In OV6680, OVT already updated the sensor Analog volatage to 2.8V+/-5%, pls ref updated sensor spec as attached!
In china, we like to let OV6680/7680/9660 to fit in one holder X-Y size with 6x6mm. although as you know for min.X-Y size, OV7680 can meet 4.5x4.5mm and OV6680 can meet 5x5mm. |
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