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From “Which Cortex-M processor” to “Which C compiler”
Joseph Yiu
In my presentation at ARM TechCon 2013 last week "ARM Cortex-M for Beginners", someone asked a question of “Is there any advice for getting the best performance? Which C compiler to use? This is a very…
November 6, 2013
惠普推Compaq系列平板电脑采用全志方案
Andy Chen
全志在Tier-1 OEM这边也出力作啦!HP Compaq系列一直是惠普电脑的高性价产品线,在2013年10月30日的媒体沟通会上,惠普正式推出了Compaq系列下的三款平板电脑:Compaq 7、Compaq 7+、Compaq 8。系统方面,Compaq 8采用原生Android 4.2.2。用户最为关注的硬件平台则采用了全志A31s芯片。该芯片组采用ARM最新Cortex-A7架构,该SoC为原生四核架构…
November 5, 2013
A tour of the Cortex-M3 Core
Diya Soubra
Read about the five features of Cortex-M processors.
November 4, 2013
FinFET implementation differences – planar to 3D
Rupal Gandhi
By
chris.wright
and Rupal GandhiWe are part of the team that recently taped out a finFET testchip. It was one of our team’s first experiences with finFETs and we saw firsthand the implementation differences…
November 1, 2013
New Platform Bring-Up with DS-5
Ronan Synnott
New Platform Bring-Up with ARM® Development Studio 5 (DS-5™)I am an FAE at ARM, and part of my job is to support users bringing up new silicon and hardware platforms, so that they can start to develop…
November 1, 2013
The Top 5 Things to Know about Cortex-A7
Kinjal Dave
The ARM Cortex-A7 MPCore processor is the most energy efficient application processor that ARM has ever developed and has dramatically extended ARM’s low-power leadership in entry level smart phones,…
November 1, 2013
ARM DSP is the way to go – An intern’s perspective
Sebastian Grubb
This blog looks at the performance advantages of using the CMSIS-DSP library rather than a typical textbook implementation of Digital Signal Processing algorithms and how it relates to Arm.
November 1, 2013
传统8位MCU岌岌可危,基于Cortex-M0及M0+的32位单片机全面入侵
Lifeng Geng 耿立锋
随着越来越多的芯片合作伙伴推出基于Cortex-M内核架构的芯片方案,ARM的Cortex-M系列作为目前驱动MCU市场变革的主流平台已经是毋庸置疑,其中Cortex-M0和Cortex-M0+的市场定位就是逐渐取代传统的8051以及其它架构的8/16位MCU应用。这里有来源于EEboard的一篇文章,其主要受众是国内众多的嵌入式系统开发者,文章总结了目前市场上几家常见的基于M0或者M0+的MCU解决方案…
November 1, 2013
2013研华全球合作伙伴大会
Lifeng Geng 耿立锋
随着ARM内核性能的不断提升,我们注意到有越来越多的OEM/ODM客户采用ARM的Cortex-A系列平台应用到嵌入式计算的工业控制市场,包括嵌入式单板电脑,核心模块,嵌入式系统等。与传统的x86平台相比,ARM架构的低功耗表现有助于客户简化散热和元器件集成等系统设计,提高系统寿命,节省项目成本。随着物联网概念在工业控制领域的不断推广,嵌入式计算的应用正渗透到越来越多的行业应用市场。研华(Advantech…
October 31, 2013
Come to Audio Design Session at Developer Summit Today!
Chin Beckmann
Come hear and be entertained by
pbeckmann
as he gives an interactive audio design session at the Milpitas Room at the Developer Summit. You'll hear what the class collectively design on an Cortex-M4.…
October 30, 2013
DS-5深入介绍之——内存访问
Shi Qinghao
在DS-5中,Debugger支持多种形式的内存的访问,在这里分别对其进行一一阐述和说明。如果简单分类一下,可分为两大类:通过CPU访问和直接通过BUS访问。这两种访问方式主要的区别在于,通过CPU访问内存,必须要在处理器停止的状态下进行,而通过BUS访问可以在处理器运行的状态下访问内存通过BUS访问内存仅限于裸机和Linux内核这两种debugger连接状态,而通过CPU访问内存的访问则支持所有的debugger连接1…
October 29, 2013
GPU Compute for Mobile Devices at ARM Techcon Developer Summit
Jonathan Kirkham
timhar01
and I have just finished presenting a workshop about GPU Compute on mobile devices at the ARM Techcon Developer Summit in Santa Clara, California.The workshop was 3 hours long and was a rapid…
October 29, 2013
"Everything connected to everything” vision of IoT – Are we there yet?
Ian Ferguson
For those of you that have met me or heard me speak about the “Internet of Things” (IoT) would know that I normally indicate my displeasure for the term. Don’t get me wrong. I am a firm believer that the…
October 29, 2013
How to Measure and Optimize the System Performance of a Smartphone RTL Design
Nick
This four part blog describes a more systematic approach to measuring and validating the system performance of these types of systems and introduces new tools to make this systematic approach practically…
October 29, 2013
UEFI 2.4 Specification release includes ARMv8-A AArch64 (64-bit ISA) support
Andrew N. Sloss
I'm happy to announce that the latest release of the
UEFI
(Unified Extension Firmware Interface) specification includes support for
ARMv8-A
AArch64 (64-bit ISA). UEFI is a specification created by…
October 29, 2013
一幅图让你了解AMBA协议的演进
ct
AMBA 1只有ASB和APB协议;到了AMBA 2引入AHB协议用于高速数据传输;发展到AMBA 3,为适应高吞吐量传输和调试引入AXI和ATB,而AHB协议缩减为AHB-lite,APB协议增加了PREADY和PSLVERR,ASB由于设计复杂而不再使用;到了AMBA 4,AXI得到了增强,引入QOS和long burst的支持,根据应用不同可选AXI4,AXI4-lite,AXI4-stream…
October 29, 2013
ARM Mali-T720 Overview
Ellie Stone
The ARM® Mali™-T720 GPU is the first offering in the Mid-Range GPU series which has its origins in the
Midgard Architecture
. It is an extremely area-efficient GPU designed specifically to bring…
October 29, 2013
Introducing the ARM Mali-T700 GPU series: Innovated to (efficiently) power the next generation of devices
Plout Galatsopoulos
Better performance or longer battery life? Or both?Many mobile phone users have experienced the disappointment of having their favourite device run out of juice when they are far away from a power socket…
October 29, 2013
几个与arm相关的GCC常用命令行参数
Renlin Li
这里介绍几个常用的几个与arm相关的GCC命令行参数。完整的描述参见GCC在线文档:
http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html
-march=name, 指定目标的处理器构架,例如armv7-a, armv8-a等,参考gcc/config/arm/arm-arches.def。-mcpu=name, 指定目标处理器,这是具体的处理器型号,例如cortex…
October 29, 2013
The Top 5 Things to Know about Cortex-A53
Brian Jeff
There are a few key aspects of the Cortex-A53 that developers, OEMs, and SoC designers should know. Find out the top 5 things in this blog post.
October 28, 2013
Debugging ARM Linux & Android native apps fast - by Javier Orensanz
Guilherme Marshall
This blog is for those of you who spend hours every day developing and debugging software, and have experienced the frustration that comes with the question “how on earth did my software get here?”This…
October 28, 2013
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