1.6 GBPS QUAD SERIAL BACKPLANE DEVICE
S2009
Figure 8. Channel Lock Synchronization Timing
(Internal)
RESYNC A
....
....
....
....
(Internal)
RESYNC B
(Internal)
RESYNC C
(Internal)
RESYNC D
FIFO Deskewing
FIFO Deskewed
(internal)
deskewed RESYNC A
....
....
....
....
....
(internal)
deskewed RESYNC B
(internal)
deskewed RESYNC C
(internal)
deskewed RESYNC D
(internal)
CHANNEL LOCK
A,B,C,D
*Notes 1, 2
ERRx
EOFx
0
1
1
0
1
0
1
....
....
....
KFLAGx
RX data out
0
0
BC
BC
BC
BC
Valid
Data
Valid
Data
BC
BC
BC
BC
....
(K28.5) (K28.5) (K28.5) (K28.5)
1. The first three K28.5’s will be reported as “K28.5” (011), subsequent K28.5 will be reported as “Re-sync” or “Channel Lock Detected.” See Table 7.
2. “Re-sync(s)” (111 status) may be seen on the parallel outputs during “Re-sync” due to deskewing function.
13
February 9, 2001 / Revision C
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
