We are developing a system based on one of the SAMA5 System-In-Package devices, the SAMA5D27-LD2G, which incorporates a 2Gbit LPDDR2 RAM within the same epoxy package as the MPU. Unfortunately I have not been able to make the SAMA5’s DDR-controller configure correctly and write/read data from the RAM - pretty fundamental in order to run Linux on it! We did initial development using the SAMA5D27-SOM1-EK (which has non-low-power DDR2 RAM), and had no such problems.
I’ve opened a support case with Microchip, but after an initial flurry of activity I’ve now been waiting nearly a week now for a reply from them. So…
If anyone has a working SAMA5 system with LPDDR2 RAM (either in-package or external), I’d love to hear from you!
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