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Altera_Forum
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14 years ago

DDR2 memory with ALTMEMPHY and Micron MT47H32M16HR-25E

I am having trouble setting up ddr2 memory for a micron MT47H32M16HR-25E single memory chip with Altera ALTMEMPHY with Quartus 11.1 and QSYS I have set all the timings to the data sheet from a...
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Altera_Forum
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14 years ago

Hi Socrates

Thanks for the advice I set it to half rate as you suggested and it all burst into life. I need to check now will my NIOS CPU be running at 125 MHz or 62.5MHz ( I am using the sysclk out of the ALTMEMPY to clock the system)

If you could explain why you have to use half rate or point me to some online literature I would be very gratefull

Still a great end to the year with a working design:D

Thanks again

Neil