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Altera_Forum's avatar
Altera_Forum
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15 years ago

how to assign the pin for DDR sdram?

hi,everybody. I want to use ddr sdram. how to set the I/O standard in pin planner? All the pins, i mean,the data, address,control signals must be set to sstl2? thanks.
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

You should refer to the pinout of specific device at http://www.altera.com/literature/lit-dp.jsp and look for DQ/DQS columns for proper pins. This can be done in Quartus II pinplanner too by right-clicking the pinplanner background and select "show DQ/DQS pins".