Difference: AMC13HardwareNotes ( vs. 1)

Revision 130 Jun 2014 - EricHazen

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META TOPICPARENT name="HcalDTC"
For published AMC13 overviews, see:

Clocks

There is a quad clock synthesizer (Si5338B) with the following outputs programmed:

  • clk0 is programmed as 156.25 for T1 with 10Gbit Ethernet SFPs
  • clk1 feeding both T1 and T2 is programmed as 125.00, SFPs on T1 with DAQLSC is also fed by this clock (this includes both the 5.0Gb/s and 10.0Gb/s fiber DAQ output modes)
  • clk2 feeding AMC link is programmed as 250.00 (backplane link from AMC cards on Fabric A)
  • clk3 feeding DDR memory is programmed as 200.00 for new T1 and 225.00 for old T1

-- EricHazen - 30 Jun 2014

 
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