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Design verification of ONFI complient high performance NAND flash controller

机译:符合ONFI标准的高性能NAND闪存控制器的设计和验证

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We are living in the world where we are surrounded by electronic gadgets with the expectation for more compact size and performance. The NAND flash memory is one of the key components in those aspects. NAND flash provides higher density & faster operations moreover its array structure is bit complex, which demands an efficient controlling. In this paper we presented a generic NAND flash controller with the AXI host interface & Open NAND Flash Interface (ONFI). On the host side we use local interface which provides the flexibility to use different host protocols. While the ONFI is the standard interface which supports almost all vendors' NAND flash memory & adopts new NAND products. Presented design of controller can supports up to 32 Gb memory with one die & one channel. Design works on Single Data Rate (SDR) & supports basic memory operations. Error Correcting Code (ECC) is also added in design for data integrity. Moreover the design is configurable so that in future one can add more functionality. The design is verified with unit based verification.
机译:我们生活在一个被电子产品包围的世界中,期望获得更紧凑的尺寸和性能。 NAND闪存是这些方面的关键组件之一。 NAND闪存提供更高的密度和更快的操作,而且其阵列结构有点复杂,这需要有效的控制。在本文中,我们介绍了具有AXI主机接口和开放式NAND闪存接口(ONFI)的通用NAND闪存控制器。在主机方面,我们使用本地接口,它提供了使用不同主机协议的灵活性。 ONFI是标准接口,几乎支持所有供应商的NAND闪存并采用新的NAND产品。控制器的最新设计可通过一个芯片和一个通道支持多达32 Gb的内存。设计工作在单一数据速率(SDR)上,并支持基本的存储器操作。为了提高数据完整性,在设计中还添加了纠错码(ECC)。此外,该设计是可配置的,以便将来可以添加更多功能。通过基于单元的验证对设计进行验证。

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