本文详细介绍了arm coresight组件中的devarch、devid和devtype寄存器。devarch寄存器提供组件的架构信息，包括jep106标识码和架构版本号。devid寄存器包含组件配置信息，如com port支持和rom格式。

Here you can download free drivers for ARM Holdings PL180 Secure Digital host controller. Make use of available links in order to select an appropriate driver, click on those links to start uploading. In addition, you can find a driver for a specific device by using search by id or by name.

Documentation - Arm Developer

A davit arm system is specifically engineered to safely lower and raise workers and/or equipment from heights or in a confined space. Davits are modular arm and base systems that are designed to provide a safe anchor point. Davit arms can be temporary, permanent, or portable depending on the work site and your specific needs.

是ARM公司提供的一个通用的中断控制器。 主要作用为：接受硬件中断信号，并经过一定处理后，分发给对应的CPU进行处理。 当前GIC 有四个版本，GIC v1~v4, 本文主要介绍GIC v3控制器。 GICv3定义了以下中断类型： SGI (Software Generated Interrupt)：软件触发的中断。 软件可以通过写 GICD_SGIR 寄存器来触发一个中断事件，一般用于核间通信，内核中的 IPI：inter-processor interrupts 就是基于 SGI。 PPI (Private Peripheral Interrupt)：私有外设中断。 这是每个核心私 …

Arm assemblies used as part of a davit arm retrieval system to either tie off workers suspended below a surface, or to raise and lower workers to an area below the unit. Davit arms systems are often used to assist in entry to confined spaces. Includes brackets and other accessories attached to the davit arm.

The XLT mast-david arm system has greater versatility than any other elevated tie-off platform on the market. The XLT exceeds all safety standards and is designed with solid steel for unequaled reliability.

Davit arm systems are commonly used to raise, lower, and suspend personnel performing routine work duties or to facilitate rescues in vertical confined space applications such as vaults, manholes, and pump stations.

Davit arm retrieval systems are an essential part of a confined space access or rescue plan. Davit arms are also commonly used by Emergency Response Units for rescue in confined spaces. You can choose from either a permanent or portable configuration for a …

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