Altera Triple Speed Ethernet MegaCore Function - Manual (Page 216)

Packet Classifier Timestamp Field Location Signals
These signals must be aligned to the start of a packet.
Table E-6: Timestamp Field Location Signals for the Packet Classifier
Description Width Direction Signal
Indicates the location of the timestamp
field. 16 Output tx_etstamp_ins_ctrl_out_offset_
timestamp
Indicates the location of the correction
field. 16 Output
tx_etstamp_ins_ctrl_out_offset_
correction_field
Indicates the location of the checksum
field. 16 Output
tx_etstamp_ins_ctrl_out_offset_
checksum_field
Indicates the location of the checksum
corrector field. 16 Output tx_etstamp_ins_ctrl_out_offset_
checksum_correction
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E-5 Packet Classifier Timestamp Field Location Signals
UG-01008
2014.06.30