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Altera_Forum's avatar
Altera_Forum
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14 years ago

Nios II not accessing custom external SRAM

I created an SRAM_512x16 component in SOPC builder using the New Component tool. I instantiated it in SOPC Builder and connected it to the system through an Avalon-MM Tristate Bridge to the Nios II ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Open the tcl file for the custom external SRAM and make sure ismemorydevice is set to true

set_interface_property avalon_tristate_slave ismemorydevice true

In the component editor tab labeled interface, there should be a check box in the deprecated section (on newer SOPC version) that allows specification of the component as a memory device.