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ADV212 pixel fifo full question

Question asked by Breaker on Jun 1, 2015
Latest reply on Jun 2, 2015 by DaveD

I use the adv212 in HIPI 16bit DMA mode, the write clock is 25MHz, and I find that,  the first write to the pixel fifo after a 256*32bit, it will not generate DREQ0 for a while, then continues again, functions well,  it means the pixel fifo is full ? and I think the pixel fifo can not be written full because the ADV212 will read data in it and process it then output to the coded fifo.


does it right?