OV6680 trouble to start.

Aug 13, 2009 1 Replies

Hello,



I am using the omnivision evaluation board, please find the scheme here :


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My is that i can't start the chip.



What i provide to the board : Vdd : 2.8V ; GND A sin clock at 20Mhz on XCLK PWDN is pull down. The other pin are float.



What happen : Nothing



What i except : signal on Dato 0..7 and vsync, href and pixel clock.



I don't understand my error. The chip should start to send images. Does somebody known how to start this kind of chip.



Regards, J.Parent


I would suggest looking at the datasheet for the board, especially the Reset signal as no doubt you are one way or another holding the camera in reset mode.

Paul Carpenter | paul@pcserviceselectronics.co.uk PC Services Timing Diagram Font GNU H8 - compiler & Renesas H8/H8S/H8 Tiny For those web sites you hate

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