What happens when writing to the same address from both Port A and Port B of True Dual Port RAM with Cyclone® V?

同時書き込みを行った場合、不定データとなります。

デバイスハンドブックをご参照ください。

（参考）Cyclone V Device Handbook: Volume 1: Device Interfaces and Integration
（Guideline: Implement External Conflict Resolution の項目）

（抜粋）
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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デバイス：Cyclone® V