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Altera_Forum
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9 years ago

Stratix 4 Developer Board - Topside RAM too many adress input pins

I am currently working on a Stratix 4 RAM project but now i got a problem concerning the pins of the RAM. The Stratix 4 dev board features a Micron mt41j64m16la-15e (https://www.micron.com/parts/d...
Altera_Forum's avatar
Altera_Forum
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9 years ago

Now I found the solution. On Page 2-51 of the developer boards Reference Manual it says: 'The DDR3 top port consists of a single DDR3 devices, providing 128 Mbyte with a

16-bit data bus. The board supports addressing for up to 4 times the memory if larger devices become available.' So the additional pin is for a bigger device and i can ignore it, because at the moment, it is not connected.