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manual: add precision about sequence errors

pull/1238/head
Sebastien Bourdeauducq 2019-01-09 18:58:22 +08:00
parent 9b213b17af
commit f8a94725e9
1 changed files with 2 additions and 1 deletions
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doc/manual/rtio.rst
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@ -126,7 +126,8 @@ Internally, the gateware stores output events in an array of FIFO buffers (the "
Notes:
* Strictly increasing timestamps never cause sequence errors.
* Configuring the gateware with more lanes for the RTIO core reduces the frequency of sequence errors.
* Configuring the gateware with more lanes for the RTIO core reduces the frequency of sequence errors.
* The number of lanes is a hard limit on the number of simultaneous RTIO output events.
* Whether a particular sequence of timestamps causes a sequence error or not is fully deterministic (starting from a known RTIO state, e.g. after a reset). Adding a constant offset to the whole sequence does not affect the result.
The offending event is discarded and the RTIO core keeps operating.