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  3. AR# 71055: LogiCORE UHD-SDI GT v1.0 - Why do I get Critical Warnings and Errors mentioning a cmp_gt_sts pin when trying to implement the UHD-SDI GT?

AR# 71055

LogiCORE UHD-SDI GT v1.0 - Why do I get Critical Warnings and Errors mentioning a cmp_gt_sts pin when trying to implement the UHD-SDI GT?

描述

When using the UHD-SDI GT wrapper it is possible to get Errors and Critical warnings due to the cmp_gt_sts pin. 

Critical Warning Example:

[Synth 8-3352] multi-driven net cmp_gt_sts[30] with 1st driver pin 'intf_1_ctrl_sb_rx_tdata[5]'

[Synth 8-3352] multi-driven net cmp_gt_sts[30] with 2nd driver pin 'intf_1_ctrl_sb_rx_tdata[2]'

Error example:

[DRC MDRV-1] Multiple Driver Nets: Net design_1_i/uhdsdi_gt_wrapper/uhdsdi_gt/uhdsdi_gt_0/inst/GT_WRAPPER_INST/gen_multi_gt_channel[0].gt_channel_gthe4_inst.uhdsdi_link/inst/gen_gtwizard_gthe4_top.uhdsdi_gtwiz_gtwizard_gthe4_inst/gen_gtwizard_gthe4.gen_channel_container[2].gen_enabled_channel.gthe4_channel_wrapper_inst/channel_inst/drpadi_out_reg[15][15] has multiple drivers:
design_1_i/uhdsdi_gt_wrapper/uhdsdi_gt/uhdsdi_gt_0/inst/GT_WRAPPER_INST/gen_multi_gt_channel[1].gt_channel_gthe4_inst.uhdsdi_link/inst/gen_gtwizard_gthe4_top.uhdsdi_gtwiz_gtwizard_gthe4_inst/gen_gtwizard_gthe4.gen_channel_container[2].gen_enabled_channel.gthe4_channel_wrapper_inst/channel_inst/gthe4_channel_gen.gen_gthe4_channel_inst[0].GTHE4_CHANNEL_PRIM_INST/DRPDO[0], and design_1_i/uhdsdi_gt_wrapper/uhdsdi_gt/uhdsdi_gt_0/inst/GT_WRAPPER_INST/gen_multi_gt_channel[0].gt_channel_gthe4_inst.uhdsdi_link/inst/gen_gtwizard_gthe4_top.uhdsdi_gtwiz_gtwizard_gthe4_inst/gen_gtwizard_gthe4.gen_channel_container[2].gen_enabled_channel.gthe4_channel_wrapper_inst/channel_inst/gthe4_channel_gen.gen_gthe4_channel_inst[0].GTHE4_CHANNEL_PRIM_INST/DRPDO[15].

解决方案

To resolve these Critical Warnings and Errors, make the cmp_gt_sts pin external to IP Integrator.

Once the pin is external to IP Integrator, it can be left floating (unconnected in the wrapper).


 

链接问答记录

主要问答记录

Answer Number 问答标题 问题版本 已解决问题的版本
70291 LogiCORE UHD-SDI GT - Release Notes and Known Issues for the Vivado 2017.3 tool and later versions N/A N/A
68766 SMPTE UHD-SDI RX Subsystem - Release Notes and Known Issues for the Vivado 2017.3 tool and later versions N/A N/A
68767 SMPTE UHD-SDI Transmitter Subsystem - Release Notes and Known Issues for the Vivado 2017.3 tool and later versions N/A N/A

相关答复记录

Answer Number 问答标题 问题版本 已解决问题的版本
70994 LogiCORE UHD-SDI GT - Why does the UHD-SDI GT wrapper fail to implement when selecting a multi-link configuration? N/A N/A
AR# 71055
日期 05/09/2018
状态 Active
Type 综合文章
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