Altera Cyclone V - TLP Packet Format with Data Payload

Chapter A: Transaction Layer Packet (TLP) Header Formats A–3
TLP Packet Format with Data Payload
November 2011 Altera Corporation Cyclone V Hard IP for PCI Express
User Guide
TLP Packet Format with Data Payload
Table A–10 through A–4 show the content for TLPs with a data payload.
Byte 8 Requester ID Tag 0 Lower Address
Byte 12 Reserved
Table A–9. Completion Locked without Data
Table A–10. Memory Write Request, 32-Bit Addressing
+0 +1 +2 +3
76543210765432107 6 54321076543210
Byte 0 010000000
TC 0000 TD EP
Att
r
00 Length
Byte 4 Requester ID Tag Last BE First BE
Byte 8 Address[31:2] 00
Byte 12 Reserved
Table A–11. Memory Write Request, 64-Bit Addressing
+0 +1 +2 +3
76543210765432107 6 5 4 321076543210
Byte 0 011000000
TC 0000 TD EP
Att
r
00 Length
Byte 4 Requester ID Tag Last BE First BE
Byte 8 Address[63:32]
Byte 12 Address[31:2] 00
Table A–12. Configuration Write Request Root Port (Type 1)
+0 +1 +2 +3
76543210765432107 6 5 43 21 07 65 43 21 0
Byte 0 0100010100000000
TD EP 00000000000001
Byte 4
Requester ID Tag 0000 First BE
Byte 8 Bus Number Device No 0000 Ext Reg Register No 00
Byte 12 Reserved
Table A–13. I/O Write Request
+0 +1 +2 +3
76543210765432107 6 5 43 21 07 65 43 21 0
Byte 0 0100001000000000
TD EP 00000000000001
Byte 4
Requester ID Tag 0000 First BE
Byte 8 Address[31:2] 00
Byte 12 Reserved