
A–2 Chapter :
TLP Packet Format without Data Payload
IP Compiler for PCI Express User Guide August 2014 Altera Corporation
\
Byte 8
Address[31:2]
00
Byte 12
Reserved
Table A–3. Memory Read Request, Locked 32-Bit Addressing
Table A–4. Memory Read Request, 64-Bit Addressing
+0 +1 +2 +3
76543210765432107 6 54321076543210
Byte 0 001000000
TC
0000
TD EP
Att
r
00
Length
Byte 4
Requestor ID Tag Last BE First BE
Byte 8
Address[63:32]
Byte 12
Address[31:2]
00
Table A–5. Memory Read Request, Locked 64-Bit Addressing
+0 +1 +2 +3
76543210765432107 6 54321076543210
Byte 0 001000010
TC
0000
TEP
Att
r
00
Length
Byte 4
Requestor ID Tag Last BE First BE
Byte 8
Address[63:32]
Byte 12
Address[31:2]
00
Table A–6. Configuration Read Request Root Port (Type 1)
+0 +1 +2 +3
76543210765432107 6 54321076543210
Byte 0 0000010100000000
TD EP
00000000000001
Byte 4
Requestor ID Tag
0000
First BE
Byte 8
Bus Number Device No Func
0000
Ext Reg Register No
00
Byte 12 Reserved
Table A–7. I/O Read Request
+0 +1 +2 +3
76543210765432107 6 54321076543210
Byte 0 0000001000000000
TD EP
00000000000001
Byte 4
Requestor ID Tag
0000
First BE
Byte 8
Address[31:2]
00
Byte 12 Reserved
Table A–8. Message without Data
+0 +1 +2 +3
765432 1 0 765432107 6 54321076543210
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