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mamuneeb332's avatar
mamuneeb332
Icon for New Contributor rankNew Contributor
3 years ago

Interfacing External Memory (DDR4) with Arria 10 through EMIF IP

Hello ! With the help of External Memory Interfaces Intel® Arria® 10 FPGA IP User Guide, i am able to see the PNF(pass-not-Fail) bits in the Signal Tap Logic Analyzer. Additionally, I have obtained ...
AdzimZM_Altera's avatar
AdzimZM_Altera
Icon for Regular Contributor rankRegular Contributor
3 years ago

Hello sir,


You can calculate the bandwidth as follow:

Bandwidth = data width (bits) x data transfer rate (1/s) x system efficiency

For example, the DDR interface has 16 bits of data width running at 200MHz frequency with 70% efficiency.

Bandwidth = 16 bits x 2 clock edge(double data rate) x 200MHz x 70% = 4.48 Gbps.


Regards,

Adzim