TLK3118 Datasheet, PDF (18/57 Pages) Texas Instruments – Redundant XAUI Transceiver

TLK3118
Redundant XAUI Transceiver
SLLS628A – DECEMBER 2004 – REVISED APRIL 2005
www.ti.com
Packet
IPG
RDP/N0 K R S D D D D ... D D D D A R R K S D
Input
RDP/N1 K R D D D D D ... D D D T A R R K D D
RDP/N2 K R D D D D D ... D D D K A R R K D D
RDP/N3 K R D D D D D ... D D D K A R R K D D
RXD[7:0] I I S D D D D ... D D D D I I I I I S
Output
RXD[15:8] I I D D D D D ... D D D T I I I I I D
RXD[23:16] I I D D D D D ... D D D I I I I I I D
RXD[31:24] I I D D D D D ... D D D I I I I I I D
S = Start of Packet, D = Data, T = End of Packet
A = K28.3, K = K28.5, R = K28.0, I = Idle
Added Column
Figure 16. Clock Tolerance Compensation: Add
The /R/ code is disparity neutral, allowing its removal or insertion without affecting the current running disparity of
each channel’s serial stream.
Packet
IPG
RDP/N0 K R S D D D D ... D D D D A R R K S D
Input
RDP/N1 K R D D D D D ... D D D T A R R K D D
RDP/N2 K R D D D D D ... D D D K A R R K D D
RDP/N3 K R D D D D D ... D D D K A R R K D D
Dropped Column
RXD[7:0] I I S D D D D ... D D D D I I I S D D
Output
RXD[15:8] I I D D D D D ... D D D T I I I D D D
RXD[23:16] I I D D D D D ... D D D I I I I D D D
RXD[31:24] I I D D D D D ... D D D I I I I D D D
S = Start of Packet, D = Data, T = End of Packet, A = K28.3, K = K28.5, R = K28.0, I = Idle
Figure 17. Clock Tolerance Compensation: Drop
18