bbt3821 Intersil Corporation, bbt3821 Datasheet - Page 66

• Manufacturer Part Number: bbt3821
• Description: Octal Multi-rate Lx4/cx4 - Xaui Re-timer
• Manufacturer: Intersil Corporation

Serialized RCX2
Serialized RCX3
Serialized RCX0
Serialized TXP0
Serialized TXP3
----to----
----to----
RCX[3:0]P-N,
TXP[3:0]P-N,
RXP[3:0]P-N
TCX[3:0]P-N
RCX[3:0]P-N,
Byte Clock
RCX[3:0] -> TXP[3:0] shown, RXP[3:0] -> TCX[3:0] is identical
RXP[3:0]P-N
FIFO Data
Internal
Internal
66
Idle
Idle
FIGURE 13. LANE-LANE ALIGNMENT OPERATION
Idle
Idle
None
Idle
Idle
FIGURE 12. BYTE SYNCHRONIZATION
FIGURE 14. RETRANSMIT LATENCY
Data
Idle
Idle
Idle
Error
Idle
Not Comma
Idle
Align
Align
RT
BBT3821
SYNC
RefCLK
Data
RT
Data
Idle
SKEWIN
Idle
Idle
Align
Random
RXCLK
Data
RT
Comma
Data
Idle
LAT
Idle
Data
RT
SKEW
Data
Idle
Data
Comma
RT
Idle
Idle
LAT
Data
Idle
Data
Data
Data
Data
Idle
Data
Data
Data
Data
Data
Data
Data
Data
Data