Difference: AMC13UserManual (8 vs. 9)

Revision 917 Nov 2014 - EricHazen

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META TOPICPARENT name="HcalDTC"
THIS MANUAL IS INCOMPLETE but what is written here should be more accurate and up to date than the old "functional specification". Please e-mail me if you find mistakes/omissions here (Eric H).
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 to the ACTION.LOCAL_TRIG.SEND_ECR and ACTION.LOCAL_TRIG.SEND_OCR registers, respectively.

N.B. the OCR and ECR mentioned above will not be reflected in the AMC13 registers until after

Changed:
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the next L1A, as the current EvN and OrN in the AMC13 are not visible; they are used only to stamp an event in in response to L1A.
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the next L1A, as the current EvN and OrN in the AMC13 are not visible; they are used only to stamp an event in in response to L1A.
  Locally-generated triggers may be sent in a rather flexible way. See the next section for details.
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 This feature is enabled by setting CONF.DIAG.FAKE_TTC_ENABLE to 1. The local L1A generator must also be enabled (CONF.TTC.ENABLE_INTERNAL_L1A set to 1).
Added:
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The TTC commands generated by the TTC simulator are as follows

BC0 1 Bunch Count Reset (sent every orbit) CMS standard?
EC0 3 Event Count Reset (send at the start of each lumisection to set the EvN to 1) Bit 1 set = CMS standard?
OC0 9 Orbit Count Reset - reset orbit count to 0 HCAL-specific ?

These are taken originally from this table maintained by HCAL:

 

Local L1A Generator

This feature allows the AMC13 to generate L1A and transmit them over the TTC backplane signals to AMC cards.

 
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