高保密与低成本芯片内存的最佳选择——超级永久性存储器

The Best Selection of High-security and Low-cost for RFID Chip:Extra-Permanent Memory

RFID芯片多采用闪存作为内存来存储密码和数据,但是这种存储器的保密性能差,制造成本高。本文叙述了超级永久性存储器(XPM)的特点以及如何利用它来改善保密性和成本。

RFID chip is using flash memory as imbedded memory to store passwords and datas. However,this kind of memory has problems of low-security and high-cost when it is imbedded in RFID chip. This article describes the features of Extra-Permanent Memory (XPM) and how to improve the problems of low-security and high-cost by it.