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dtong5's avatar
dtong5
Icon for New Contributor rankNew Contributor
6 years ago

What’s the eMMC max data rate the cyclone V supported with 8-bit data bus?

In Cyclone V TRM(cv_5v4, 2020.02.28), it shows that MMC V4.41 8-bit data bus is currently supported. DDR timing is supported for eMMC too. According to the MMC 4.41 specification， wit...
EBERLAZARE_I_Intel's avatar
EBERLAZARE_I_Intel
Icon for Regular Contributor rankRegular Contributor
6 years ago

Hi,


Answering your questions:


Unfortunately, dual data rate is not supported, and the max supported speed is as stated in our Cyclone V TRM which is 25Mbps for 8-bit data.


For Cyclone V SoC, eMMC version 4.41 does not support DDR.