MMCM或PLL必须在动态重新配置期间保持复位状态,或者必须在动态重新配置更改完成后释放复位。 DRP可以动态改变时钟的频率、相位、占空比。 MMCM/PLL有6个用户可访问的配置寄存器组,允许重新配置单个时钟输出。这六组分别是分频配置寄存器、相位配置寄存器、分数配置寄存器、锁定配置寄存器、滤波器配置寄存器和功率配置寄存器。
65978 - XAPP888 - MMCM DRP - How do you set up a divider of 128 with 50/ 50 Duty Cycle? Description In XAPP888 (http://www.xilinx.com/support/documentation/application_notes/xapp888_7Series_DynamicRecon.pdf) the Divider settings are set using the High and Low counters, and the value...
71112 - XAPP888 - How to determine the correct registers and values when performing a DRP on an MMCM/PLL Description I am using XAPP888 to perform a Dynamic Reconfiguration (DRP). How do I make sure that I am writing the correct values into the correct registers? Solution The latest vers...
71112 - XAPP888 - How to determine the correct registers and values when performing a DRP on an MMCM/PLL Description I am using XAPP888 to perform a Dynamic Reconfiguration (DRP). How do I make sure that I am writing the correct values into the correct registers? Solution The latest vers...
DRP可以动态改变时钟的频率、相位、占空比。MMCM/PLL有6个用户可访问的配置寄存器组,允许重新配置单个时钟输出。这六组分别是分频配置寄存器、相位配置寄存器、分数配置寄存器、锁定配置寄存器、滤波器配置寄存器和功率配置寄存器。1.分频配置寄存器参数:•HighTime:高电平持续时间,以vco为clk•LowTime:低电平持续时间,...
source C:/<your_directory>/xapp888/MMCME3_DRP/top_mmcmeX.tcl It will enable the usage of the two functions described above. The first function receives the desired values for the CLKFBOUT_MULT, DIVCLK_DIVIDE, PHASE, and Bandwidth, and provides the breakdown of registers and HEX values to...