Does the FX3 store all the configration data before configuring FPGA

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MaXi_1246331
Level 4
Level 4
50 replies posted 25 replies posted 10 replies posted

As to my understanding, In the configuration example AN84868, the configuration data are entirely stored at the FX3 before the vender command is sent. Some FPGA have a small volumn of configruation data and therefore can be stored. The configruation data of the FPGA I use achieves 2.7M Bytes. Is the ram of FX3 large enough to hold the data? If not, is there any solution?

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ManaskantD_51
Employee
Employee
Welcome! 25 solutions authored 10 solutions authored

The configuration data is not stored in the FX3 RAM. The configuration data of the FPGA is sent through the host application to the FX3 through USB and then to the FPGA. This will not limit your bitstream size as it is stored in the PC and not in the FX3 RAM.

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