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AR# 20244

LogiCORE PCI Express - How long does trn_terrfwd_n need to be asserted to mark an outgoing packet as poisoned (EP=1)?

Description

General Description: 

When transmitting a packet, how long must I assert trn_terrfwd_n in order to mark a packet as poisoned (EP=1)?

Solution

To mark an outgoing packet as poisoned, the trn_terrfwd_n signal must be asserted for one clock cycle any time between trn_sof_n and trn_eof_n during a valid data transfer.

AR# 20244
Date Created 09/03/2007
Last Updated 05/16/2014
Status Archive
Type General Article