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Arm China Star processor mass production! Specially designed for China

via:驱动之家     time:2020/7/10 21:55:56     readed:110

According to the Global Association for mobile communication systems (GSMA) mobile think tank, the global market share of Internet of things will exceed $1.1 trillion by 2025. The Asia Pacific region with China as the main body will become the largest Internet of things market in the world with a sum of 386 billion US dollars, while North America and Europe will become the second and third largest markets.


Image from pixabay

In the future, Internet of things applications will face the demand of lower power consumption and more personalized peripheral functions. Accordingly, in the future, the world will put forward more demands for MCU which is inseparable from the development of Internet of things, which will include providing users with a reliable sense of security. For example, product security, stable supply chain supply, product encryption and application level security. Secondly, due to the increasing demand of the Internet of things for radio frequency, including Bluetooth, WiFi, ZigBee and even sub-g transmission, MCU also needs rich interfaces. Finally, MCU also needs low power consumption and reliability.

For the huge Internet of things market in China, there is a more localized demand for MCU. However, in the current Chinese market, most MCU are based on Cortex-M core of arm, and there is no core specific to the Chinese market.

This week, Anmou China released its first processor for China

At present, the processor has entered the commercial stage.

Anmou China's first

STAR-MC1 action

According to Liu Shu, vice president of anmou's product R & D in China,The processor is a very tightly coupled and efficient microprocessor, with the performance of 1.5dmips/mhz-4.02coremark/mhz. It inherits DSP instructions and floating-point computing units of armv7 and armv8 structures. Compared with the previous generation of ARM processor, the performance of star-mc1 can be improved by 20% under the same frequency.


For armv8-m, security technology is introduced into the architecture,TrustZone security scheme is adoptedThe running environment is separated into safe area and non security area, so that the user's sensitive running program runs in the safe area, and the application-oriented program runs in the non security area. TrustZone was proposed by arm company in 2006 and applied in a series of processors. Now it is still used in M-level processors to ensure the security requirements of MCU.

Wu Zhongjie, chairman and general manager of smart microelectronics, an Mou's partner in China, said that security is one of the most important features of MCU. If a scheme is cracked, the solution provider will suffer huge losses.

At the same time, the coprocessor interface and user customizable instruction set are embedded in armv8-m. The former can help users to make different innovations in the face of market segments, while the latter can facilitate users to customize their own instruction set.

on the one hand, it can solidify the user's own characteristic operation in the CPU pipeline to achieve very high execution efficiency, on the other hand, it can also protect the customer's intellectual property rights and provide differentiated services. All of these ARMv8-M innovative structures can be built

The innovation of star-mc1 released this time is thatImprovement of data reading efficiency of processorThis is due to the introduction of the entire cache structure in the M-level processor, and the data read by the processor can be read without passing through the bus or external memory.

Cortex-M of arm, star of China

When defining this processor, we conducted a full research on the Chinese market, fully listened to and explored the needs of many domestic partners and their understanding of the application.

Liu Shu, an MOU China, said,

Unlike Cortex-M,

It is worth mentioning that,Anmou's china team launched a new architecture upgrade and definable instruction set almost in sync with ARM's cambridge team, demonstrating its outstanding execution, design and validation capabilities.

For customers, though

Wu Zhongjie, chairman and general manager of smart microelectronics, an Mou's partner in China, also said that star core was chosen because of the guarantee of arm standard quality and the R & D and production of the domestic team.

It is worth mentioning that, as China's indigenous innovation products, in China's IP authorization, whether in business or configuration, will be more flexible, there are many different models to support different needs of customers.

The future of star processor

At present,

STAR-MC1 China

Liu Shu said that the next generation processor that anmou China is currently working on is based on the v8.1 architecture, and will continue to have greater improvement in the data processing capacity of artificial intelligence. Based on the input of the Chinese market, we will continue the route of high performance, low cost and low power consumption. At the same time, we will continue to pay attention to the characteristic development of China's IOT market to meet the needs of users.

With Chinese processors to support the Internet of things market in China, star processor will face more opportunities and challenges.

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