Revision J – April 7, 2006
S2004 – Quad Serial Backplane Device
Data Sheet
Figure 8. Channel Lock State Machine
TCLKD = LOW or
CRU Loss of Lock or
four sequential decoding errors or
All four channels in Re-Sync with
valid data within deskew window
IN SYNC
decoding error rate > 50% (block 16)
RESET
Errored codeword or
valid data outside deskew window
or TCLKD = LOW
RE-SYNC
NO SYNC
Errored codeword or <4 K28.5
or TCLKD = LOW
≥4 K28.5 Detected
One K28.5 Detected
ACQUIRING SYNC
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