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OV7670 interface cannot get product ID

Question asked by moodaeng on Jul 11, 2012
Latest reply on Apr 22, 2015 by tag.aseok
Hi, 
        I have a problem with interfacing OV7670 camera. I connect only 4 wires from Ov7670 to my stm32f4board, SIO_C, SIO_D, 3V+ and GND. Then I tried to read product id of the camera. It always send 0xFF. I am not sure that I need to connect OV7670 XCLK pin since I just test for SCCB communication. 

Thanks

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