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CA72 transactions IDs

In the TRM of CA53, I see some descriptions of the encodings for AWIDM and ARIDM, and it's quite clear to distinguish Read & Write transactions from different cores. But in CA72, I can't find such...

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Deciphering DS-5 Support and Maintenance License Error C9932E

ARM is constantly providing updates to our DS-5 toolchain, and details of these updates are provided in the change log. When you purchase the tools, you will receive either a term or perpetual license...

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ARM Cortex-M0 assembly programming tips and tricks

The snippets in this document are no real secrets, your C-compiler probably use them already. But if you're writing assembly-code, it's good to have some snippets ready, when you need them....

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Healthcare: The New Frontier?

This week I am at an event discussing the Future of Healthcare . My segment team spends much of its time working with well identified market segments like smartphones, wearables, servers and engine...

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麻烦各位看一下。2片stm32进行SPI通信。下面分别是主机从机的程序。但主机接收到的数据出错了。

刚算是了解清楚了SPI的原理,动手做个实验。在SPI主从通信中。我想让主机跟从机交换一次数据。从机程序里直接往SPI-DR里赋值了,那么在主机时钟信号到来的时候通信就自动开始了不是吗? 然后我接上了逻辑分析仪观察。发现主机输出的数据是正确的,但主机接收回来的返回值并不是0xf0;而是00111100..但我现在没有JLINK,我只能观察到IO的变换。麻烦朋友们看看程序是不是有问题呢?

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[Cypress PSoC BLE套件经验分享]CY8CKIT-042-BLE Pioneer Kit开发初步

非常感谢社区有这么好的活动,使我们能够评估、使用并发开新产品。 该评估包名字叫CY8CKIT-042-BLE BLUETOOTH LOW ENERGY PIONEER KIT,包内的内容如其名称也很复杂,对于新手来说都略显复杂了些,我还头一次见这么长的产品名称。不过,你必须得至少记得评估包是CY8CKIT-042-BLE PIONEER...

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Requirements for SMMU

Most articles suggest a cache coherent interconnector to support System-MMUs. But if only one cluster is present on system, I/O coherency is not required, and only TLB maintenance for System-MMUs is a...

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玩转OP-TEE

随着智能手机逐渐融入生活,手机上承载的业务也逐渐由开始的通讯娱乐扩展到人们的衣食住行,说到这些自然离不开钱。当手机厂商谈到钱的时候,用户第一个想到的问题就是安全,特别是在今天这个恶意病毒软件横行当道的年代。随着各种安全门,存款被盗事件在手机上爆发,国内的各大手机厂商,支付公司,出版商,银行也逐渐开始意识到手机安全问题,现在都开始在积极寻找手机安全解决方案。ARM在十几年前意识到安全问题对于移动产品的...

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Issue with half float vertex attribute/varying with OpenGL ES on Mali-T628

When I pass half float vertex attribute directly (unmodified) to a varying, I get incorrect values in the fragment shader.   This works: vTexCoord = vec2(1.00001 * TextureCoordinate0.x, 1.0001 *...

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Random behavior with SCTLR_EL1 reset values

Hi,   I am working on Juno and I am using SCTLR_EL1 reset value based on A53 spec is = 0x00C50838 but If I look to ARMv8 spec it shows some reserved bits as 1 and considering that reset values =...

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Upcoming Webinar: Effective Application Debugging for Embedded Linux systems

Duration: 1 hour Cost: FREE! Date: September 4th 2015 Summary: In this webinar we look closely at Embedded Linux application debugging, with examples that illustrate the application of tools and...

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New to ARM and having trouble locating example folders - help please ;)

Hello Everyone,   I am new to ARM processors.  I am trying to get a good handle on the low levels aspects of the ARM processor like exception handling.  From searching the ARM website and looking at...

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OpenCL threads on Mali T628

Hello Guys Peter Harris I am using a Mali T628 GPU on the Odroid XU3 board with Exynos 5422 chip. I have a couple of questions regarding OpenCL on the Mali GPU: 1. Can we get information of active...

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That Just Happened (Aug. 6): Decacore to debut; Xiaomi’s new design; the...

We’re keeping this one short this week because I’ve been consumed by weeklong meetings in Cambridge. More innovation stories and links next week!   MobileOctacore meet Decacore. Liliputing’s Brad...

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French translation for "Terms and Conditions for the ARM Connected Community"

Termes et conditions d'utilisation de ARM Connected Community (Mis à jour le 19/08/2015) Ce texte à été traduit en langue Française pour votre confort. En cas de contradiction, le texte original en...

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Development Board for Samsung S5P4418 Cortex-A9 Quad Core New Arrival

ARM Cortex-A9 quad core S5P4418 development board         G4418/S5P4418 development board contains of stamp hole core board, base board and LCD board. The core board use 8-layer process design, and is...

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Graperain Technology Application Series 001: Street Basketball Sports Game...

This basketball gaming machine is based on a 4412 IBOX single board computer, designed by a company in Guangdong province. It is tiny, fast, power-saving, will complete source and can get charged...

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Programmable Interrupt Controllers: A New Architecture

Many thanks to Martin Weidmann and Chris Shore who provided a lot of the content for this blog. They recently ran a webinar introducing the GICv3 architecture that you can watch by following this link...

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A.C.K. Micro - Our Offices

10, Rue des Templiers Zip : 83170 Town : Brignoles FRANCE +33 4.89.36.23.10 +33 6.31.52.81.35 (mobile) Email : contact@ackmicro.com

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IDC reveals continued growth in servers; ARM wins international honour for...

Angus Loten from the The Wall Street Journal highlights a report by IDC revealing continued growth in the server market as a result of increased cloud demands and the expanding role of IoT. He says,...

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