NOR Flash Replacement

NOR Flash Replacement

While flash memory remains one of the most popular storages in embedded systems because of its non-volatility, shock-resistance, small size, and low energy consumption, its application has grown much beyond its original design. Based on its original design, NOR flash memory is designed to store binary code of programs because it supports XIP (eXecute-In-Place) and high performance in read operations, while NAND flash memory is used as a data storage because of its lower price and higher performance in write/erase operations, compared to NOR flash. In recent years, the price of NAND flash has gone down much faster than that of NOR flash. Thus, to reduce the hardware cost ultimately, using NAND flash to replace NOR flash (motivated by a strong market demand) becomes a new trend in embedded-system designs, especially on mobile phones and arcade games.

Read more about NOR Flash Replacement:  Overview, An Effective Prefetching Strategy

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NOR Flash Replacement - An Effective Prefetching Strategy - Prefetch Procedure
... Data prefethced from NAND flash is enqueued, while those transferred to the host is dequeued, on the other hand ...

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