Hi everyone, I want to buy c3038 camera module that uses omnivision's ov6630 image sensor. I'm trying to make an interface for this camera in fpga to grab the frame. To have the complete control over the incoming data, I thought of using camera in slave mode. But there seems to be two problem with that:
i) The ov6630 datasheet says that 'hsync' signal from master should be connected to chsync/bw (pin 42) pin in sensor. But seeing datasheet of c3038 it does not seem to have made this pin available to be used.
ii) the timing diagram for ZV port standard shows that href signal is asserted for new line only when hsync signal goes low after being high for sometime indicating start of the frame. However, hsync signal we need to provide in slave mode is supposed to be high when vsync signal is still high (as shown in slave mode operation timing diagram.) I'm confused about the hsync and href signal for slave mode.
I'm trying to design at least for now for master mode but then this will require my interface to wait for the new frame to start when it needs a frame. I don't know as for now how this can affect the system which consists of detecting some object based on the data from the camera.
so guys who have worked with cmos cameras, I think I'll have enough help to solve this issue soon. thanks.