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Altera_Forum
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18 years ago

DDR/DDR2 HP compiler - multiple devices

Hi, I am trying to drive two DDR devices from one instance. I have made the settings in the wizard, so I am getting two clock pairs, 2 cke's and so on. But the ras/cas/adress signals needs to ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Hello,

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I would like the chips to operate as one

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I understand that you wan't to operate the chips in the way I called simultaneously, e. g. using two 16 bit wide chips as a 32 bit memory? That's of course supported by the controller, cause it's the same as using the chips within a module. You only have to set the respective memory organisation in Megawizard.

Referring to previous example: Using a 1 GByte SODIMM module means having the controller accessing 16 individual 8-bit wide memory chips, organized in two banks of 8 chips each.

Regards,

Frank