The world's leading high-performance simulation IC and sensor supplier Amius Semiconductor (AMS AG) Recently announced that it enhanced space restricted equipment to achieve reliable NFC coupling enhanced NFC technology has been applied to a welcome by interested semiconductor. STM32 series microcontroller is compatible with system development board.
STMicroelectronics introduces a new NFC expansion board to insert the STM32 Nucleo motherboard to provide a complete design diagram for NFC technology in applications such as networked nodes. Wherein, the NFC technology is mainly used for debugging, and a network configuration and a wearable device, non-contact payment, ticketing and access control applications securely transmit data.
STMicroe is a complete set of NFC firmware for the expansion plate-based STM32 series microcontroller based on the ARM Cortex-M core. The NFC expansion board also has a fingerprint identification, a Bluetooth connection, a M2M communication, and a display screen such as a full NFC function, which enables fast-molding.
The NFC expansion plate of Semiconductors Based on the AS39230 enhanced NFC simulation front end and its own ST54E system package (combined with ST21NFCC controller and ST33G1M2 security components). The expansion board can be connected with various sizes of the antenna device according to the application requirements, including 400mm2 support NFC reader function to the antenna device only includes a very small antenna device SMD card emulation function.
The circuit in the new expansion board provides excellent NFC performance in the case of radio frequency signals (such as approximately or in metal surface operations or using very small antenna transmission signals). For example, the designer of the Internet of Things nodes and wearable devices is usually packaged with a metal housing or put an antenna into a very small housing. This new expansion board provides ready-made NFC functions for these devices, allowing it to quickly, reliable, reliable, and free-controlled card readers, including smartphones, non-contact payment terminals, transport systems, and access card readers. coupled communications.
The design of this expansion board is also applicable to applications that require global certification, including General Standards, EMVCO, GlobalPlatform, and Visa, Mastercard, US Express (AMEX), and the People's Bank of China (PBOC). This allows the original equipment manufacturer (OEM) to quickly develop a new design for wearable devices such as wristbands and smart watches, so that non-contact terminal payment, simulates smart cards or executions such as subway bus cards. Keep enters the hotel room and other access control.
This NFC expansion card has excellent RF performance because the active load modulation scheme used by the AS39230 can enhance the NFC signal. The program provides up to 10 times more workplace than smart cards that use passive load modulation. At the same time, the average current based on AS39230 based systems can be as low as 15μA. Therefore, its consumption is much less than the traditional NFC solution.
Laurent Degauque, Director of Semiconductor Safety Microcontroller, said: "This safe NFC expansion board is very excellent. Because it contains less components, users of STM32 microcontrollers can easily implement applications. Because of this The expansion plate has a set of firmware support for NFC applications, which can provide fast and reliable methods for the successful new NFC design. "
Amius Semiconductor Wireless Connection Business Director Mark Dickson said: "Other NFC development systems cannot run completely reliably on the antennas of a small to 100 mm2, and even the metal shell of the product is used as antenna, while the NFC expansion board AS39230 This can be achieved. Therefore, the NFC expansion board is the best choice for any space-limited and performance-limited antenna product designer. "
STMicroelectronics have been provided with the secure NFC expansion board.
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