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TMS320C6748 Fixed-point Floating-point Digital Signal Processor Chip Version_Chinese Errata

  • 2018-05-27
  • 2.75MB
  • Points it Requires : 2

In all silicon versions, when using RNDIS mode, the user must ensure that DMA configuration is complete before the host starts a transfer. This rule is sometimes violated when performing a back-to-back data transfer (not transactional). If a new transfer is scheduled by the host while the device is still in the process of a previous transfer, the data size of the new transfer is different from the old transfer, resulting in a race between the two transfer sizes, causing an unexpected situation and the DMA is locked. The following example demonstrates how this race can occur.

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