I am using Zynq-7000, choose the frequency of desire, I know I should use -g ConfigRate, but what do these setting numbers mean? For example, the default number is 3, which means that the frequency is 300KHz? Thank you!
Author: Mark Arvin Nov 14, 2020 335
I am using Zynq-7000, choose the frequency of desire, I know I should use -g ConfigRate, but what do these setting numbers mean? For example, the default number is 3, which means that the frequency is 300KHz? Thank you!
Harry Posted on 2020/11/14 23:28:32
Yes, these numbers are'MHz', but be aware that they are very frequency. The data sheet shows the expected frequency range, which is ±50% in 7 series devices. Therefore, '3' can be any value from 1.5MHz to 4.5MHz, and this may become important in the worst-case design (for example, the maximum frequency supported by external flash memory).
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Elliott Posted on 2020/11/15 10:36:19
This number is the value of the CCLK frequency in MHz. Therefore 3 means that the CCLK frequency is 3 MHz.
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