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STM32F769 Discovery JPEG Decoder Timing

Question asked by stoler.nimrod on Nov 23, 2016
Hi,
I am trying the Jpeg decoder hardware on the 769-disco board.
It seems that the time it takes to decode a Jpeg is around 40 CLKs per pixel.
However, I read somewhere in an ST document (http://www.st.com/content/ccc/resource/training/technical/product_training/group0/9b/0b/70/51/69/dd/44/8d/STM32F7_Peripheral_JPEG/files/STM32F7_Peripheral_JPEG.pdf/_jcr_content/translations/en.STM32F7_Peripheral_JPEG.pdf)  that decoding should be around 1 CLK per data pixel.

Can you please explain?

Thanks,
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