New STM32 Nucleo expansion board with boostedNFC from ams provides complete hardware & software blueprint for ultra compact N...
November 17 2015 - 8:00AM
Business Wire
Joint ST and ams NFC solution with software running on STM32
family of microcontrollers is ideal for IoT nodes and contactless
card emulation in wearables
ams AG (SIX:AMS), a leading provider of high performance sensors
and analog ICs, today announced that its proven boostedNFC
technology, which enables reliable NFC coupling in
space-constrained devices, has been implemented in a complete
system development board compatible with the popular STM32 family
of microcontrollers from STMicroelectronics.
The new NFC expansion board released today by ST, which plugs
into Nucleo STM32 main boards, provides a complete design blueprint
for implementing NFC in applications such as IoT nodes, in which
NFC can be used for configuration and network commissioning, and
wearable devices, in which it may securely carry data for
contactless payments, ticketing or access control.
The expansion board is supplied with a full suite of NFC
firmware provided by ST for its broad family of ARM® Cortex®-M
based STM32 microcontrollers. The NFC board is complemented by
other expansion boards implementing fingerprint recognition,
Bluetooth® connectivity, M2M communications and a display, to
enable rapid prototyping of a complete NFC-enabled end product.
ST’s NFC expansion board is based on the ams AS39230 boostedNFC
analog front end, and ST’s own ST54E system-in-package
(incorporating the ST21NFCC controller and the ST33G1M2 Secure
Element). Depending on application requirements, the board can be
connected to various antenna sizes, ranging from 400mm² supporting
NFC Reader/Writer functionality down to ultra-tiny SMD antennas for
Card Emulation-only functionality.
The circuit implemented in the new board provides outstanding
NFC performance in conditions hostile to RF signals, for instance
when operating close to or inside metal surfaces, or when
transmitting through a very small antenna. Designers of IoT nodes
and wearables, for instance, often have to enclose their devices in
metal housings, or must accommodate an antenna inside an extremely
small enclosure. The new expansion board gives them a ready-made
NFC implementation that will achieve fast, reliable coupling with
any standard NFC reader, such as smartphones, contactless payment
terminals, transit system entry barriers and access control card
readers.
The design implemented in the expansion board is also suitable
for use in applications which require worldwide certification,
including for Common Criteria, EMVCo, GlobalPlatform, and Visa,
Mastercard, Amex, and the People’s Bank of China (PBoC). It enables
OEMs using an STM32 MCU to quickly implement a new design for a
wearable device, such as a wristband or smart watch, which can be
used to pay for goods at contactless payment terminals, to emulate
smart cards such as metro transit ticket cards, or to perform
access control functions such as keyless entry to hotel rooms.
The excellent RF performance of the NFC expansion board is due
to the active load modulation method of boosting the NFC signal
implemented in the AS39230. This produces an operating volume some
10 times larger than the passive load modulation method used in
smart cards. At the same time, the AS39230 based system draws as
low as 15µA average current in listening mode, thus draining far
less power from the battery than conventional NFC solutions.
“The secure NFC expansion board’s RF performance is absolutely
outstanding, and since it contains very few components it is
remarkably easy for users of STM32 MCUs to implement. Because it is
supported by a full suite of ST firmware for NFC applications, this
board provides the quickest, surest way to implement a successful
new NFC design,” said Laurent Degauque, Secure Microcontrollers
Division Marketing Director of STMicroelectronics.
“No other NFC development system can operate completely reliably
through an antenna as small as 100mm2, or even use the metal casing
of the product as an antenna. The AS39230 in the NFC expansion
board can do this, and that is why it is the best choice on the
market for designers of any product with a space- or
performance-constrained antenna,” said Mark Dickson, Business Line
Director of Wireless Connectivity at ams.
The secure NFC expansion board is available now from
STMicroelectronics.
The AS39230 NFC AFE is available now in production volumes from
ams. Unit pricing is available on request.
For sample requests and for more technical information about the
AS39230, go to www.ams.com/NFC-HF-Booster/AS39230.
Further information on ST secure MCUs can be found at
www.st.com/securewearable
Download press picture and block diagram at
http://www.ams.com/eng/Press/Press-Releases/
View source
version on businesswire.com: http://www.businesswire.com/news/home/20151117005801/en/
ams AGPatricia Moosburger, Media Relationsphone: +43 (0) 3136
500 31235press@ams.comwww.ams.com
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