
48 Altera Corporation
SerialLite II Protocol Reference Manual
Data Link Layer Description
Figure 2–25. Typical Data Flow of Three-Lane Link
Lane
#1
Lane
#2
Time
SDP1
D1 D2
D4
SDP2
D5
IDL
IDL IDL
PD0
EGP1
PD1
EGP2
PD2 PD3
SPP1 SPP2
D1 D2
SDP1 SDP2
D5
IDL
D4
IDL
Data Payload
Priority Payload
Link Mgmt Payload
Dx
PDx
LDx
Priority
Packet
Lane
#0
IDL
D0
D6
D3
PD0
PD2
D0
IDL
D3
IDL
IDL
IDL
EGP1 EGP2 CRC1
CRC2
Idles
IDL IDLIDL
D6 IDLD7
EGP1 EGP2 CRC1
CRC2 IDLIDL
IDL IDL
CRC1
CRC2 CRC3 CRC4
SLP LD0 LD1
LD2
Link Mgmt
Packet
IDL IDL
SUP1 SUP2
CDP1 CDP2IDL
CRC1
CRC2
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