STMicroelectronics (STMicroelectronics, ST) exhibited a number of product technologies for smart driving and IoT applications at its booth during the Munich Electronics Fair in Shanghai. Non-network reporter interviewed STMicroelectronics responsible for the security chip Yan Xin Yi and responsible for the RF and NFC business Yang Dalun, although the relatively familiar ST companies, but this is the author for the first time in the country interviewed the company.
STMicroelectronics is probably the most well-known product line in the country, a microcontroller (MCU). Before NXP's acquisition of Freescale, STMicroelectronics remained the No. 1 spot in domestic MCU shipments. However, this European semiconductor giant has a wide range of layouts, and has made contributions in fields such as MCU, analog, security chip and radio frequency.
ST: Internet of Things security and NFC technology can play this way
For example, on the security chip, STMicroelectronics layout very early, starting from the first production in 1996 ST16601, so far, has more than 20 years of history. From now on, there is a complete solution in all three directions: banking and identity card, mobile security and IoT. The STSAFE series launched in 2016 is specifically targeted at the Internet of Things and other application markets. "IoT users are generally less familiar with the development of security software and STSAFE SoCs (system-on-chip) already offer a complete solution that customers can easily and directly use without the time and labor associated with software development." STMicroelectronics technology marketing project manager Yan Xin Yi told non-network reporters.
With the continuous increase of networked devices, whether networked devices are safe and reliable has become an important factor affecting the healthy development of the Internet of Things. STMicroelectronics at the scene of the show, STMicroelectronics has a use of STSAFE-A chip realization of IoT safety certification demonstration, through the color change of street lamps to demonstrate the verification process between street lamps and cloud servers.
"Security, performance, and cost all need to be taken into account and trade-offs are made," said Yan Xinyi. The importance of cyber-security is gradually being recognized by people. In the past, applications like finance, government and industry were more concerned with security. Infiltration, "The Internet of Things can be divided into three blocks, namely cloud, gateway and terminal nodes. If the cost of the whole system is not under the pressure of pressure, the hardware security solution is naturally configured from the cloud to the terminal, which is the most complete Network Security. "Yan Xinyi years of experience in the field of security concluded that the security program is application-oriented, chip manufacturers to give recommendations based on the specific application program," First of all to understand the application, to help customers realize the importance of safety Sex, so the starting point is to first clear the fundamental needs of customers and then go down.
When it comes to NFC, I first think of mobile payments. However, especially in China, the rapid popularization of two-dimensional code has greatly reduced the living space of NFC in the payment market. According to Yang Da-Wen, technology marketing manager of RF and NFC product line at MMS market and application department of STMicroelectronics, in fact, the field of application of NFC technology is very wide , In addition to mobile payment, NFC technology is also widely used for wireless pairing connection, APP download, web page automatic connection open, identity verification and other occasions. "For example, the M24SR series is now used in Huawei wireless terminal products to make Wi-Fi pairing and make it extremely simple." According to Yang Ta-weng, the dynamic electronic tag that uses NFC technology will have a good market prospect. " NFC tags bring more than one function, but many items, STMicroelectronics ST25T series of NFC tags, storage space up to 64Kb, you can build multiple NDEF files, and ST25D series of dynamic NFC tags, but also through the I2C interface To write different content according to the scene change is a very easy to use dynamic NFC tag solution. "
STMicroelectronics offers ST25T / D series of NFC tags, save data valid for up to 200 years, millions of rewritable times, -40 ~ 85 ℃ industrial temperature, it is widely used in home appliances, industrial , Automotive, logistics, culture, food, transportation, security and other fields. "Yang stable brief overview of a variety of applications," in the field of industrial and home appliances, the most important is for quick and easy parameter settings and content updates , To provide a simple and quick user interface in the automotive, logistics, security and transportation, more is used to identify, verify, track and manage.In the field of culture and food, more for anti-counterfeiting, traceability and management Wait."
Back to the mobile payment market, NFC technology is not without any chance, subway, bus and other places where the flow of people, two-dimensional code payment is not applicable. "Two-dimensional code will not become the mainstream of the subway, public transport, only non-connected (referring to NFC) is suitable, because the speed of non-connected technology to meet this human traffic.And two microcode is difficult to complete the payment process within 1 second At present, the biggest problem with NFC payment is not technology but business model. "Yang is still optimistic about the future of NFC payment." As time goes by, I believe one hand will be able to be used all the time in the country And all the bus, this is what will happen. "
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