參數(shù)資料
型號: S2004
廠商: Applied Micro Circuits Corp.
英文描述: Quad Serial Backplane Device(用于高速串行數(shù)據(jù)傳送的四串行收發(fā)器)
中文描述: 四串行背板設(shè)備(用于高速串行數(shù)據(jù)傳送的四串行收發(fā)器)
文件頁數(shù): 12/38頁
文件大?。?/td> 377K
代理商: S2004
12
QUAD SERIAL BACKPLANE DEVICE
S2004
October 10, 2000 / Revision D
Figure 9. Channel Lock Synchronization Timing
(Internal)
RESYNC A
(Internal)
RESYNC B
(Internal)
RESYNC C
(Internal)
RESYNC D
(internal)
deskewed RESYNC A
(internal)
deskewed RESYNC B
(internal)
deskewed RESYNC C
(internal)
deskewed RESYNC D
FIFO Deskewing
....
....
....
....
....
....
....
....
FIFO Deskewed
(internal)
CHANNEL LOCK
A,B,C,D
....
ERRA
EOFA
KFLAGA
RX data out
....
....
....
....
BC
(K28.5)
Valid
Data
BC
(K28.5)
BC
(K28.5)
BC
(K28.5)
BC
Valid
Data
BC
BC
BC
0
1
0
0
1
1
0
1
0
*Note 1
Figure 8. Channel Lock State Machine
RE-SYNC
NO SYNC
IN SYNC
All four channels in Re-Sync with
valid data within deskew window
Errored codeword or
valid data outside deskew window
or TCLKD = LOW
CRU Loss of Lock or
four sequential decoding errors or
decoding error rate > 50% (block 16)
RESET
ACQUIRING SYNC
One K28.5 Detected
4 K28.5 Detected
Errored codeword or <4 K28.5
or TCLKD = LOW
TCLKD = LOW or
1. The first three K28.5’s will be reported as “K28.5” (011), subsequent K28.5 will be reported as “Resync” or “channel lock detected.” See Table 7.
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