Why does the signal trn_terr_drop_n assert when transmitting a valid packet?
Note: This Answer Record is a part of the Xilinx Solution Center for PCI Express (Xilinx Answer 34536). The Xilinx Solution Center for PCI Express is available to address all questions related to PCIe.Whether you're starting a new design with PCIe or troubleshooting a problem, use the Solution Center for PCIe to guide you to the right information.
This signal might assert if you have streaming enabled, but then throttle the packet by deasserting trn_tsrc_rdy_n. When streaming is enabled by asserting trn_tstr_n, you must provide the packet without throttling during middle of the packet (from trn_tsof_n to trn_teof_n). If you throttle the packet when trn_tstr_n is enabled, this signal asserts indicating there is an error.
07/30/2011 - Initial Release