lpcware

LPC1788 GPDMA Transfer size

Discussion created by lpcware Employee on Jun 15, 2016
Latest reply on Jun 15, 2016 by lpcware
Content originally posted in LPCWare by wella-tabor on Thu May 09 05:53:59 MST 2013
Hello,

does anybody know what is the meaning of the (bits)11:0 TRANSFERSIZE field in the DMA Channel Control registers?
Should it be number of transfers with a width DWIDTH => number of transfered bytes = (2^DWIDTH) * TRANSFERSIZE?

It is not clear for me from the user manual v2.1. From PDL's DMA example it seems to be number of transfers, not bytes. I did not read ARM PL081 and I am trying to avoid this...

Thank you for any hints

Best
Martin

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