![](http://pdfasset.owneriq.net/7/ca/7ca7d5af-04a8-4cc3-b2ff-fa9bee81354b/7ca7d5af-04a8-4cc3-b2ff-fa9bee81354b-bg2a.png)
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The same packet is resent when a checksum mismatch or incompatible data structure error is detected.
Data Receiver Data Sender Operation
BDS → Data Send
← BSY Busy
(Send Canceled)
Data Receiver Data Sender Operation
HDR → Send Request
← BSY Busy
(Send Canceled)
Data Receiver Data Sender Operation
HDS → Data Send
← BSY Busy
(Send Canceled)