STMicroelectronics Reveals Industry's Best Connected STM32 F0 Microcontrollers for Cost-Sensitive Applications
Crystal-less USB 2.0 and CAN interfaces augment rich connectivity, with larger
memory footprint of latest STM32 ARM(Â®) Cortex(TM)-M0 devices
Geneva, January 16, 2014 - STMicroelectronics (NYSE: STM), a global
semiconductor leader serving customers across the spectrum of electronics
applications, has extended its STM32 F0 microcontrollers based on the ARM(Â®)
Cortex(TM)-M0 core with new models that support crystal-less USB design,
accurate sensing and smart power management for next-generation smart devices
and connectivity products.
The new STM32F0x2 line provides a combination of features not found in other ARM
Cortex-M0 devices, such as support for CAN and a full-speed USB 2.0 controller
with a self-calibrated clock system that simplifies design and saves external
circuitry. Other USB functionality includes support for Battery-Charger
Detection, which allows battery-powered devices to optimize recharging times
with better flexibility, and Link-Power Management, which enables energy saving
through enhanced system control. Separate power domains for analog and digital
I/Os support low-voltage operation while allowing a higher voltage dynamic range
for accurate sensing on analog peripherals.
"This latest expansion of our highly efficient STM32 F0 series brings
significant extra functionality and cost improvement ideally bridging the 8- and
16-bit world with the widely deployed STM32 F1 Cortex-M3 series," said Michel
Buffa, General Manager, Microcontroller Division, STMicroelectronics.
"Communication gateways, smart-energy devices, Internet-of-Things applications
and consumer electronics such as smartphones and game terminals can now leverage
the unique features of the new STM32 F0 devices to deliver greater energy
efficiency, lower cost, improved accessibility and enhanced functionality."
The STM32F0x2 line provides 16 to 128 Kbytes of Flash memory in 20- to 100-pin
packages in TSSOP, LQFP, UFQFPN, UFBGA, WLCSP or die form.
To help accelerate design starts with these new microcontrollers, ST is
releasing dedicated development hardware including an evaluation board and a
low-cost discovery kit. A full-speed USB device library is also available as a
valuable aid to development. The new product line is supported by CooCox CoIDE
Free and Open ARM Cortex MCU development tools.
The STM32F0x2 is in production now, priced from $1.32 for the STM32F072C8U6 (64-
Kbyte variant in UFQFPN48) in quantities of 10,000 units.
The recommended prices for the STM32F072B-DISCO discovery kit and STM32072B-EVAL
evaluation board are $10.40 and $199, respectively.
Further technical information:
The 12Mbps USB 2.0 full-speed interface integrated in ST's latest STM32 ARM
Cortex-M0 devices has its own 48 MHz oscillator, saving the need for an external
crystal oscillator to generate the precision clock required by the USB protocol.
By supporting USB 2.0 in addition to USART, IÂ²C, IÂ²S, HDMI CEC and ISO 7816
standard interfaces, the new STM32 F0 devices enable product developers to
increase system integration, reduce costs, and break the traditional
price/performance limitations imposed by older, proprietary 8- or 16-bit
microcontrollers for USB device or USB- controller applications.
Ideal applications for the new microcontrollers include dongle interfaces such
as USB to USART, USB to ISO 7816 in smart-card readers, USB to IÂ²C in PC mice,
USB to CAN in industrial applications, USB to IÂ²S for audio streaming in
smartphone accessories, or gaming applications using audio as the control
The main supply voltage range is 2.0V to 3.6V. A portion of the device I/Os are
powered independently and capable of operation down to 1.65V. These separate
power domains allow direct connection to digital circuitry such as the low-
voltage CMOS I/Os of an application processor without requiring a level
translator, while also allowing the analog peripherals to be supplied
independently up to 3.6V to maintain their full excursion for optimum accuracy.
Power consumption of the new devices is inherently low, thanks to ST's ultra-
low-leakage process technology. In addition, four power-management modes are
available, including USB SUSPEND mode; STOP mode, which reduces current to 5ÂµA
and has a 4.2Âµs wake-up time; and STANDBY mode, in which the microcontroller
draws only 2.5ÂµA.
ST is a global leader in the semiconductor market serving customers across the
spectrum of sense and power and automotive products and embedded processing
solutions. From energy management and savings to trust and data security, from
healthcare and wellness to smart consumer devices, in the home, car and office,
at work and at play, ST is found everywhere microelectronics make a positive and
innovative contribution to people's life. By getting more from technology to get
more from life, ST stands for life.augmented.
In 2012, the Company's net revenues were $8.49 billion. Further information on
ST can be found at www.st.com.
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