鉴于存储器是数据最主要的驻留场所，因此，防范攻击首要的是对处理器的片外存储器进行保护，其关键技术手段包括存储器的机密性和完整性保护。

Since memory is the primary place to store the data, the most effective way to against attack is the protection of off-chip memory, i. e. confidentiality protection and integrity protection.

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基于DSP的全数字化无刷直流电机伺服系统，由包括DSP和片外存储器的以TMS320F240组成的小系统，及反馈信号采集模块2部分组成。

The servo system for full-digital BLDC motor consists of DSP, memory subsystem based on TMS320F240 and the module for feedback signal acquisition.

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