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47. Chaining DMAs may not work with DMAR external requests [03000167]:
Description:
If the DMAR external request of the next block is asserted before chaining to it has
completed, that DMA channel might become stuck. The reason is that DMA channel
accumulates only those requests that occured after the channel has been enabled (i.e.
chained to) again.
Workaround:
Ensure that DMAR request is asserted after its DMA has been enabled (chained to).
Applies to revision(s):
TS101S-0.0, TS101S-0.1, TS101S-0.2
E-mail: info@telesys.ru