STMicroelectronics Announces Mass-Market Availability of STM32WL LoRa®-Compatible Wireless System-on-Chip Family
December 09 2020 - 9:00AM
STMicroelectronics Announces Mass-Market
Availability of STM32WL LoRa®-Compatible Wireless System-on-Chip
Family
- Market-unique LoRa-compatible multi-modulation SoC drives
innovation in IoT connectivity
- Mass-market introduction extends feature options, packages, and
protocols compatibility (e.g. Sigfox)
- Dual-core variant boosts performance, cyber-security, and
flexibility
Geneva, December 9, 2020 – STMicroelectronics (NYSE:
STM), a global semiconductor leader serving customers
across the spectrum of electronics applications, has expanded
availability of its market-unique STM32WL long-range sub-GHz
wireless system-on-chip (SoC) family, adding flexible
configurations and package options for diverse mass-market
applications. As the only SoC ICs featured to connect devices to
LoRa-based Low-Power Wide-Area Networks (LPWANs), the STM32WL
series lets users create Internet-of-Things (IoT) devices that are
extremely compact, energy efficient, and reliable. LPWANs provide
cost-effective connectivity over large geographical areas and in
remote locations, extending the IoT’s reach and enabling smart
technologies to add greater value in industries from utilities and
agriculture to shipping, transportation, and others.
“Long-range IoT networks like LoRaWAN or Sigfox now cover the
globe, ready to connect innovative and highly useful smart devices
in applications such as environmental monitoring and asset
tracking,” said Ricardo de Sa Earp, Group Vice President,
Microcontroller Division General Manager, STMicroelectronics.
“Mass-market access to our unique single-chip integrated
microcontroller and multi-modulation radio will broaden development
of exciting new products that leverage these networks and deliver
unparalleled functionality, usability, and value.”
The STM32WL series combines ST’s STM32 ultra-low-power
microcontroller (MCU) architecture with a sub-GHz radio subsystem
that supports multiple modulation schemes. These include both LoRa,
which allows high receiving sensitivity at low RF signal power, and
(G)FSK, (G)MSK and BPSK modulation used by Sigfox and wireless
Meter-Bus (wM-Bus) protocols for instance as well as other
proprietary protocols or sub-GHz standards. The radio has a
selectable dual-power output that helps customers comply with
RF-power restrictions for unlicensed frequency bands in all
territories worldwide.
The new STM32WL models introduced today include the dual-core
STM32WL55, based on an Arm® Cortex®-M4 core and a Cortex-M0+ MCU
core which can both be used in a fully open and flexible way. The
dual-core architecture effectively ensures hardware isolation that
enhances cybersecurity, allows application updates without the need
to re-certify the device as a new radio product, and enhances
real-time performance of both the radio and application.The
STM32WL55 joins the single-core STM32WLE5 introduced in January
2020 in BGA73 and QFN48 packages, which uses the main Cortex-M4
core to handle the radio and the application. The extended lineup
also adds two non-LoRa variants, the single-core STM32WLE4 and
dual-core STM32WL54, allowing developers flexibility to leverage
the unique SoC in new wireless IoT projects. All devices are
supported by ST’s rolling 10-year longevity commitment for
industrial products. Please contact your ST sales office for
pricing options and sample requests. Please visit
www.st.com/stm32wl for more information.
Further technical information: Monolithic
integration of ST’s STM32 ultra-low-power architecture and sub-GHz
multi-modulation radio featuring LoRa modulation makes the STM32WL
series unique in the market. The radio is based on proven Semtech
SX126x transceiver IP, specially re-engineered by ST to fit
market-proven power modes of STM32 platforms. It contains two
internal power amplifiers with 15dBm and 22dBm maximum transmit
power: The high-power and low-power transmitter modes, covering the
global unlicensed frequency range from 150MHz to 960MHz, ensure
compatibility with Low-Power Wide Area Networks in all territories
and allow STM32WL SoCs to power end-products that are marketed
worldwide. The high level of RF integration, enables single-crystal
synchronization of the High-Speed External (HSE) clock and radio,
and with no need for an external power amplifier (PA), which serves
to minimize the overall Bill of Materials (BoM) cost and solution
footprint. ST’s STM32WL architecture, leveraging the
energy-efficient and powerful Arm Cortex-M4 core with DSP
extensions, benefits from ultra-low-power technologies including
dynamic voltage scaling and ST’s adaptive real-time ART
Accelerator™ for zero-wait execution from Flash. MCU Flash options
up to 256Kbyte let developers choose the optimal code and data
storage density for the entire platform including application and
radio. Built-in cyber-security features include hardware symmetric
encryption and Public Key Accelerators, True Random Number
Generator (TRNG), sector protection against read/write operation,
dual-core secure areas isolation and support for state-of-the-art
cryptographic algorithms including RSA, ECC and ECDSA. Moreover,
users can take advantage of the proven STM32Cube development
ecosystem to simplify product creation and accelerate time to
market. Such free resources include the STM32CubeMX project
configuration and code generation tool, STM32CubeMonitor runtime
monitoring and visualization tool, and STM32CubeProgrammer. The
STM32CubeWL MCU package contains all the embedded software bricks
needed to operate the STM32WL series, including peripheral drivers,
ST’s LoRaWAN protocol stack, Sigfox stack, and example code for
LoRaWAN Firmware Update Over The Air (FUOTA) leveraging ST’s Secure
Boot and Secure Firmware Update (SBSFU) technology. Alternative
stacks by Authorized Partners, such as the Stackforce W-MBus stack,
are also available. There are also two STM32WL-based Nucleo boards
for fast prototyping: NUCLEO-WL55JC1 (868/915/923 MHz) and
NUCLEO-WL55JC2 (433/470 MHz).
STM32 is a registered and/or unregistered trademark of
STMicroelectronics International NV or its affiliates in the EU
and/or elsewhere. In particular, STM32 is registered in the US
Patent and Trademark Office.
About STMicroelectronics
At ST, we are 46,000 creators and makers of semiconductor
technologies mastering the semiconductor supply chain with
state-of-the-art manufacturing facilities. An independent device
manufacturer, we work with our 100,000 customers and thousands of
partners to design and build products, solutions, and ecosystems
that address their challenges and opportunities, and the need to
support a more sustainable world. Our technologies enable smarter
mobility, more efficient power and energy management, and the
wide-scale deployment of the Internet of Things and 5G technology.
Further information can be found at www.st.com.
For Press Information Contact: Michael
Markowitz Director Technical Media Relations STMicroelectronics
Tel: +1 781 591 0354 Email: michael.markowitz@st.com
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PUBLICATION
- P4314S -- Dec 9 2020 -- STM32WL MM launch_IMAGE
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