When simulating the XAPP878 or XAPP879, the following warnings are seen in ModelSim:
# ** Warning: Warning : Address DADDR=25 on the PLL_ADV instance is unsupported. # # Time: 35430 ns Iteration: 2 Instance: /m5_clock_generator_tb/cinst_m5_clock_generator_1/cinst_pll_adv_1
# ** Warning: Warning : Address DADDR=25 on the PLL_ADV instance is unsupported. # # Time: 35570 ns Iteration: 2 Instance: /m5_clock_generator_tb/cinst_m5_clock_generator_1/cinst_pll_adv_1
# ** Warning: Warning : Address DADDR=26 on the PLL_ADV instance is unsupported. # # Time: 35710 ns Iteration: 2 Instance: /m5_clock_generator_tb/cinst_m5_clock_generator_1/cinst_pll_adv_1
# ** Warning: Warning : Address DADDR=26 on the PLL_ADV instance is unsupported. # # Time: 35850 ns Iteration: 2 Instance: /m5_clock_generator_tb/cinst_m5_clock_generator_1/cinst_pll_adv_1
# ** Warning: Warning : Address DADDR=29 on the PLL_ADV instance is unsupported. # # Time: 35990 ns Iteration: 2 Instance: /m5_clock_generator_tb/cinst_m5_clock_generator_1/cinst_pll_adv_1
# ** Warning: Warning : Address DADDR=29 on the PLL_ADV instance is unsupported.
Why is this the case?
Answer Number | 问答标题 | 问题版本 | 已解决问题的版本 |
---|---|---|---|
46790 | Spartan-6 FPGA Design Assistant - Troubleshooting Common Clocking Problems | N/A | N/A |