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Word#Word's BYTENameDescriptionNote
0[5:0]DestMacDestination MAC
  • Network mode only
0[11:6]SrcMacSource MAC
  • Network mode only
0[15:12]EtherTypeTBD Value
  • Network mode only
016Version0x1
  • Hard coded
017TIDTransaction ID
  • Increments once per packet
  • Used for out-of-order frame reorganizing in network mode
0[19:18]PauseVirtual Channel Pause
  • 1 bit per Virtual Channel
020VCVirtual Channel Index
  • BIT[3:0]: Virtual Channel Index
  • BIT[7:4]: Reserved
021tUserFirstfirst 8-bits of tUser 
022tUserLastlast 8-bits of tUser 
0[31:23]ReservedReserved
  • Zeros
0[47:32]OpCodeData128-bit OP-code Data
  • Supports 64-bit to support full timestamp triggering with bits to sparetimestamp + more information
0[63:48]UserData128-bit User Data
  • Sampled every packet sent
1[63:0]PayloadUser Payload Data 
............ 
(MAX_SIZE/64)[63:0]PayloadUser Payload Data