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Intel: What happens if the Cyclone® V writes to the same address from both the A and B ports of a True Dual Port RAM at the same time?
Category: Specifications
tool:-
Device: Cyclone® V
If simultaneous writing is performed, the data will be undefined.
Please refer to the device handbook.
(Reference) Cyclone V Device Handbook: Volume 1: Device Interfaces and Integration
https://www.intel.com/content/www/us/en/programmable/documentation/sam1403481100977.html#sam1403476220417
(item in Guideline: Implement External Conflict Resolution)
In the true dual-port RAM mode, you can perform two write operations to the same memory location.
However, the memory blocks do not have internal conflict resolution circuitry.
To avoid unknown data being written to the address, implement external conflict resolution logic to the memory block.
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