Pulsar SVT/XTRP input description
Pulsar has one SVT/XTRP input connector. The input data is made visible to
all three FPGAs via three identical sets of (external) FIFOs. The external
FIFO approach follows that of SVT boards, but we use three of them
so that each FPGA can read its own FIFO independently. The flow control
is done in such a way that if any one of them is full, the back presure
is on (hold is an "OR" of three hold_feps).
Note that there is also one optional SVT/XTRP input via P3 spare lines.
the SVT/XTRP connector will be on the transition module (AUX).
in that case, no external FIFO will be used on AUX card.
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Last updated by Ted Liu (thliu@fnal.gov) on 2002/04/19