Intel® Cyclone® 10 LP Core Fabric and General Purpose I/Os Handbook

ID 683777
Date 2/15/2023
Public
Document Table of Contents

2.6.2.2.1. Mixed-Port Read-During-Write Operation with Dual Clocks

For mixed-port read-during-write operation with dual clocks, the relationship between the clocks determines the output behavior of the memory.

If You... ...Then
Use the same clock for the two clocks The output is the old data from the address location.
Use different clocks The output is unknown during the mixed-port read-during-write operation. This unknown value may be the old or new data at the address location, depending on whether the read happens before or after the write.