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ARM recently announced the launch of the new ARMv8 architecture of the Cortex-A50 processor family, in order to expand the ARM in the field of high performance and low-power leadership, to further seize the mobile device market share. Cortex-A50 Cortex-A15 is the second after another heavyweight, will directly affect the mainstream PC market share. Around the topic, we might summarize today at more mainstream in recent years, the mobile phone side of the ARM processor.

 

 

In a descending manner view, ARM processor can be roughly sorted as:Cortex-A57 processor, Cortex-A53 processor, Cortex-A15 processor,Cortex-A12 processor,Cortex-A9 processor, Cortex-A8 processor, Cortex-A7 processor, Cortex-A5 processor, ARM11 processor, ARM9 processor, ARM7 processor, Go down to the low part of the basic mobile phone products no longer in use, there is no longer introduced.

ARM processor architecture development

● Cortex-A57, A53 processor

Cortex-A53, Cortex-A57 processor belonging to the two Cortex-A50 series, the first 64-bit ARMv8 architecture is significant, which is the ARM recently announced two products.

ARM Cortex-A57 is the most advanced, highest performance application processor, known as smart phones can reach today's top performance at the same power level three times; and Cortex-A53 is the most energy efficient in the world, the smallest 64-bit processing device, the same energy efficiency is three times the performance of today's high-end smart phones. These processors may also be integrated into ARM big.LITTLE (core size partner) processor architecture, switching between them according to the needs of operation, to bind high performance and power efficiency characteristics of two independent processors operations.

Applications: expected to launch in 2014.

 

● Cortex-A15 processor architecture parsing

ARM Cortex-A15 processor is part of Cortex-A series, based on the ARMv7-A architecture, it is by far the industry's highest performance processor and can be licensed.

Cortex-A15 MPCore superscalar processor pipeline having a disorder, with a 2-stage low-latency cache tightly coupled, the cache size up to 4MB. Other improvements NEON media and floating point performance of the devices can provide next-generation user experience for consumers, and provides high-performance computing to Web infrastructure applications. Cortex-A15 processor may be used in smart phones, tablet PCs, mobile computing, high-end digital home appliances, servers, and other wireless infrastructure equipment.

In theory, mobile Cortex-A15 MPCore processor configuration capability to offer advanced smartphone is the current performance of more than five times. In advanced infrastructure applications, Cortex-A15 running at speeds up to 2.5GHz, which will support the achievement of highly scalable continue to lower power consumption, heat dissipation and cost budget solution.

Applications: Samsung Exynos 5250. Samsung Exynos 5250 chip is the first A15 chip, used in the Chromebook and Nexus 10 tablet above recently released. Exynos 1.7GHz frequency is 5250, the 32-nanometer HKMG process, with a Mali-604 GPU, powerful performance. Also rumored Samsung Galaxy S4 will be equipped with the next-generation version of the quad-core Exynos 5450 chipset, the same application Cortex-A15 cores. Further NVIDIA Tegra 4 will use the A15 core.

 

● Cortex-A12 processor architecture parsing

In mid-2013, ARM released a new processor Cortex-A12, at the same power consumption, the performance Cortex-A12 Cortex-A9 ratio improved by 40%, while it is reduced in size by 30%. Cortex-A12 also supports big.LITTLE technology, can be used with Cortex-A7 processor to further enhance the performance of the processor.

ARM Cortex-A12 processor represents the future will be applied to a large number of smart phones and tablet products, but focused more on the end product. While ARM is also expected in 2015, in which the end product will far exceed the number of flagship-level smart phone and the tablet.

is mounted Cortex-A12 midrange processor in the future will be very characteristics of the product, as Cortex-A12 can support virtualization, AMD TrustZone technology, and the maximum body 1TB storage. This also means that the future of smart phones equipped with this processor can be used as so-called BYOD (Bring Your Own Device) devices, in other words, at the same time as the personal use of mobile phones can also be used as a business phone store business content.

Meanwhile Cortex-A12 is also equipped with a new graphics chip Mali-T622 and Mali-V500 video IP solutions, it is also to achieve energy saving. It would appear, positioning the end of the market, low power small size, Cortex-A12 must eventually substituted Cortex-A9. It is reported, Cortex-A12 will be put on the market in 2014, when we might change once the market will usher in the end.

Applications: 2014 release.

 

● Cortex-A9 processor architecture parsing

ARM Cortex-A9 processor is part of Cortex-A series, based on the ARMv7-A architecture, now we can see quad-core Cortex-A9 mostly belong to the series.

Cortex-A9 processor is designed to create the most advanced and efficient, dynamically variable length, multiple instruction superscalar architecture, an 8-stage pipeline processor provides out of order execution guess embodiment, with a broad range of required consumer, networking, enterprise and mobile applications in the forefront of product features, it can provide unprecedented levels of performance and energy efficiency.

Multi-core processor (Cortex-A9 MPCore multicore processor) Cortex-A9 microarchitecture both for scalable, it can also be used for a more conventional processor (Cortex-A9 single core processor). Scalable multi-core processors and a single core processor supports 16, 32 or 64KB 4-way associative cache configuration of L1, L2 for the optional cache controller supports up to 8MB L2 cache configuration, they have a very high flexibility, apply to specific applications and markets.

Applications: Texas Instruments OMAP 4430/4460, Tegra 2, Tegra 3, the new shoreline NS115, Rockchip RK3066, MediaTek MT6577, Samsung Exynos 4210,4412, Huawei K3V2 and so on. Also Qualcomm APQ8064, MSM8960, Apple A6, A6X and so can be seen as a modified version of the A9 architecture foundation.

 

● Cortex-A8 processor architecture parsing

ARM Cortex-A8 processor is part of Cortex-A series, based on the ARMv7-A architecture, a single-core phone we currently use the most common products.

ARM Cortex-A8 processor is the first product based on ARMv7 architecture, the speed can be increased from 600MHz to 1GHz or more. Cortex-A8 processor power to meet the needs of a mobile device operating in less than 300mW optimization requirements; and performance optimization request requires 2000 Dhrystone MIPS field of consumer applications.

Cortex-A8 high-performance processor is very mature, from high-end feature phones to the Internet, DTV, printers and automotive infotainment, Cortex-A8 processor provides a reliable, high-performance solutions.

Applications:MYS-S5PV210 Development Board, TI OMAP3 series, Apple A4 processor (iPhone 4), Samsung S5PC110 (Samsung I9000), Rockchip RK2918, MediaTek MT6575 and so on. Further, Qualcomm MSM8255, MSM7230, also be seen as a derived version of the A8.

 

● Cortex-A7 processor architecture parsing

ARM Cortex-A7 processor is part of Cortex-A series, based on the ARMv7-A architecture, which is characterized by low power consumption provides outstanding performance on the basis of ensuring the performance.

Cortex-A7 processor architecture and feature set to identical processors Cortex-A15, which is different in that the micro-architecture processors Cortex-A7 is focused on providing the best energy efficiency, so that the two processors can be big .LITTLE (size nuclear size core structure partner) in the work configuration, so as to provide the ultimate combination of high performance and ultra-low power. Energy efficiency single Cortex-A7 processor five times ARM Cortex-A8 processor performance by 50%, while only one-fifth the size of the latter.

As a separate processor, Cortex-A7 can make 2013 - less than $ 100 price point, entry-level smartphones during 2014 and 2010, a $ 500 high-end smart phones comparable. These entry-level smartphone in the developing world will redefine connectivity and Internet use.

Applications: Chi Cortex-A7 quad-core tablet chip, MediaTek has just released the MT6589.

 

● Cortex-A5 processor architecture parsing

ARM Cortex-A5 processor is part of Cortex-A series, based on the ARMv7-A architecture, which is the most energy efficient, lowest-cost processor.

Cortex-A5 processor provides a valuable migration path for existing ARM9 and ARM11 processor design, it can get better than the ARM1176JZ-S performance, better than the ARM926EJ-S effectiveness and energy efficiency. Further, Cortex-A5 processor instructions, and only in the functionality Cortex-A8, Cortex-A9 and Cortex-A15 processor is fully compatible with higher performance, while maintaining the classical ARM processors (including ARM926EJ-S, ARM1176JZ- S and the ARM7TDMI) application backwards compatibility.

Application: Qualcomm MSM7227A / 7627A (new desire V, Motorola XT615, Nokia 610, ZTE V889D, Motorola DEFY XT, etc.), Qualcomm MSM8225 / 8625 (peppers dual-core version, Huawei U8825D, day language W806 +, innos D9, Cool 7266, etc.) MirMYD-SAMA5D3X series development board（MYD-SAMA5D31、MYD-SAMA5D33、MYD-SAMA5D34、MYD-SAMA5D35）。

MYD-SAMA5D3X Development Board

 

● ARM11 series processor architecture to resolve

ARM11 processor family includes the ARM11MPCore, ARM1176 processor, ARM1156 processor, ARM1136 processor, which is based on the ARMv6 architecture, respectively, for different applications. ARM1156 processor is mainly used in high reliability and real-time embedded applications, it is not associated with the phone, introduced omitted here.

ARM11 MPCore multi-core processor architecture, scalability can be approved by the multi-core 1 to 4 cores, so that a simple system with a single macro can be designed to integrate up to four times the performance of a single core. Cortex-A5 processor ARM11MPCore subsequent related products.

ARM1176 processor is mainly used in smart phones, digital television and electronic reader, is widely deployed in these areas, it provides media and browser capabilities, a secure computing environment, in the case of a low-cost design performance up to 1GHz.

ARM1136 processor includes tape media ARMv6 extended instruction set, Thumb code compression technique, and an optional floating point coprocessor. ARM1136 core is a mature, widely deployed as an application processor in mobile phones and consumer applications. When using process performance 90G can be up to 600MHz or more, in an area of ​​2 mm2 and up to 1GHz when 65nm.

Application: Qualcomm MSM7225 (HTC G8), MSM7227 (HTC G6, Samsung S5830, Sony Ericsson X8, etc.), Tegra APX 2500, Broadcom BCM2727 (Nokia N8), Broadcom BCM2763 (Nokia PureView 808), Telechip 8902 (tablet).

 

● ARM9 and ARM7 family processor architecture series parsing

ARM9 processor family comprises ARM926EJ-S, ARM946E-S and ARM968E-S processor. The first two focused on embedded real-time applications, we are here mainly introduced for the ARM926EJ-S.

ARMv5TE ARM926EJ-S-based architecture, as an entry-level processor, which supports a variety of operating systems such as Linux, Windows CE and Symbian. ARM926EJ-S processor has been licensed to more than 100 global silicon vendors, and continue to be successfully deployed in numerous products and applications in a wide range of applications.

Applications: TI OMAP 1710. Nokia N73, Nokia E65, Samsung SGH-i600 and other phones are used in the processor, as well as science and technology, including MirMYS-SAM9X5Series of industrial development board.

ARM9 development board

 

● ARM7 family of processors

ARM7 processor family includes ARM7TDMI-S (ARMv4T architecture) and ARM7EJ-S (ARMv5TEJ architecture), was first launched in 1994, above the relative product is already significantly older. Although the ARM7 processor family is still used for some simple 32-bit devices, but newer embedded design are increasingly using the latest ARM processors that significant improvements in technology than with ARM 7 series .

 

As the older series, ARM7 processor has not recommended continued use in new products. It is just how old? The above Apple eMate 300 is used in a 25MHz ARM7 processor, old enough, right?

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