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Altera_Forum
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19 years ago

How to get 32bit system with DDR sdram

As we know,there is a DDR chip on the ep2c35 board. How can we get the 32 bits system with the ddr chip(mt46v16m16tg),which is 16 bits data bus. Please tell me,thanks.
Altera_Forum's avatar
Altera_Forum
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19 years ago

in this case the avalon master used two read or write cycles to access

32 bit in the 16 bit memory.

see quartus II version 5.1 handbook volume 4

"Native Address Alignment & Dynamic Bus Sizing"