# Cnn in pynq board using hls

**URL:** <https://discuss.pynq.io/t/cnn-in-pynq-board-using-hls/6232>\
**Category:** Support\
**Created:** [October 26, 2023, 7:11am UTC](https://discuss.pynq.io/t/cnn-in-pynq-board-using-hls/6232 "2023-10-26T07:11:59Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![briansune](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.pynq.io/briansune/32/3087_2.png) [@briansune](https://discuss.pynq.io/u/briansune)\
**Post date:** [October 26, 2023, 7:47pm UTC](https://discuss.pynq.io/t/cnn-in-pynq-board-using-hls/6232/2 "2023-10-26T19:47:35Z")

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@umamaheswari

> [@MNIST + AXI Stream on PYNQ 2.7 (Attention to Details)](https://discuss.pynq.io/t/mnist-axi-stream-on-pynq-2-7-attention-to-details/4267):
>
> Hello PYNQ community: I wish you all doing great =] Previous support posts are having trouble on AXI stream HLS about CNN design and DMA: So I am going to share the details on 2020.2 HLS tool and PYNQ 2.7 design. The Github Repository Link for this tutorial: HLS AXI Stream People keep asking about tlast is missing, which this is common that after version (not sure when) the structure C no longer interpret as we expected: Old struct AXI\_DMA\_IO{ ap\_int\<16\> data; ap\_int\<1\>last; }; New #in…

ENJOY~

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