内存是现代计算机最重要的组件之一。因此，它的内容不能被任何错误的应用所篡改。这个功能可以通过MMU(Memory Management Unit)或者MPU(Memory Protection Unit)来实现。尽管这个两个东西有同样的基本功能，但是它们之间还是存在一些不同。MMU被认为是比MPU更先进的设备。

MPU：Memory Protection Unit，内存保护单元。 TrustZone 是 ARM 针对消费电子设备设计的一种硬件架构，其目的是为消费电子产品构建一个安全框架来抵御各种可能的攻击。 在物联网时代，“安全”是一个重要的内容，今天就来重点讲讲，相比 MPU，在开发中使用 TrustZone ...

Micrium announced the addition of uC/OS-MMU™ and uC/OS-MPU™ to its portfolio of products supporting embedded applications. Both products complement the company's uC/OS-II real time operating system ...

I recently wrote about Ambiq’s new Cortex M4F MCU, which is made using transistors operating in the subthreshold region. Cortex licensees can add ARM’s optional ...

WESTON, Fla. – April 15, 2008 – Micrium, a leading provider of high quality embedded software components, today announced the addition of uC/OS-MMUTM and uC/OS-MPUTM to its portfolio of products ...

The Zephyr Project is an open-source project—an operating system that targets the low end of the Internet of Things (IoT). It can be run on small microcontrollers and higher-end ones alike. It also ...