STMicroelectronics unveils ARM Cortex-M3 based MCUs on 130nm process
April 19, 2010 // Julien Happich
The STM32L series is what STMicroelectronics claims to be the industry's first ultra-low-power ARM Cortex-M3 microcontrollers, combining a dedicated low-leakage 130nm process technology and optimized power-saving architecture to deliver industry-leading energy-saving performance. The STM32L series is part of ST's EnergyLite platform of ultra low-power products enabling designers to optimize performance, functionality and battery life, and to meet efficiency-related criteria such as eco-design targets.
In addition to its energy efficiency, the STM32L series also has many features promoting data security and safe system operation, including flexible Brown-Out Reset; on-board Flash with Error Correction Code (ECC) support; a memory protection unit (MPU); and JTAG fuse.
These features are recommended for all applications that require safe product behaviour and highly secure code and user-data management. Integrated USB 2.0 full speed support also makes the devices 'handset ready'. Additionally, the MCU's embedded LCD drivers enable easier, cheaper and smaller application designs.
Joining the extensive STM32 family, which now has over 135 variants offering complete pin, software, and peripherals compatibility for maximum flexibility, the STM32L offers 33DMIPS at 32MHz and offers integrated Flash densities from 64Kbyte to 128Kbyte.
In addition to its underlying process-related power savings, the STM32L series provides numerous features allowing developers to optimize the power consumption of their applications. Six ultra-low-power modes allow the device to fulfill its tasks while consuming the least possible energy at any given time.
Based on preliminary figures at 1.8V/25C, the available modes are :
10.4 microA Low-Power Run mode at 32kHz
6.1 microA Low-Power Sleep mode with one timer active
1.3 microA STOP mode: Real-Time Clock (RTC), context preserved, RAM retention
0.5 microA STOP mode: no RTC, context preserved, RAM retention
1.0 microA Stand-By mode: RTC, back-up register preserved
270 nanoA Stand-By mode: no RTC, Back-up register preserved
Two new low-power modes 'Low-Power Run'and 'Low-Power Sleep'have been implemented in the STM32L series, to drastically reduce power consumption at low frequency operation by using an ultra-low-power regulator and oscillator. The regulator allows current demand to be independent from the supply voltage.
Dual 13A or single 26A μModule regulator integrates digital power system management
July 25, 2014
Datacenters and server farms contain vast amounts of digital electronics, such as ASICs, FPGAs and CPUs. Powering, monitoring ...
What's that smell? An app for that soon, says Sensirion
GE phosphor powder creates more vibrant LED displays
Foremost Electronics to distribute NKK's switches in the UK
Traffic light switches to smart mode
Sony investing in stacked image sensor manufacturing capacity
July 24, 2014
Sony Corp. has said it plans to invest 35 billion yen (about $340 million) to increase its production of stacked CMOS image ...
The Filter Wizard: 'three-legs' and the 4-20 mA current loop
Set-top boxes morphing into MHGs
Imagination positions itself for 802.11ah for the Internet of Things
- Testing GPS with a Simulator
- DSM presents: Select the best plastic for DDR4
- Dual 13A μModule Regulator with Digital Interface for Remote Monitoring & Control of Power
- Exploring the Business Model Evolution of High-Tech Equipment Manufacturers
InterviewCEO interview: China, not Apple, is way to go, says mCube CEO
Ben Lee, CEO of MEMS startup mCube, explains why he wants to spend $37 million on being a supplier of sensors to Chinese ODMs and avoiding a design win with Apple or Samsung.
Filter WizardCheck out the Filter Wizard Series of articles by Filter Guru Kendall Castor-Perry which provide invaluable practical Analog Design guidelines.
Linear video channel
READER OFFERRead more
This month, Altium Ltd is offering EETimes Europe's readers the chance to win one TASKING VX-Toolset for ARM Cortex-M Premium Edition, normally licensed for 2.395 Euros, for ultra-rapid prototyping and code development around ARM Cortex-M based microcontrollers.
The VX-toolset for ARM is the first TASKING compiler suite to receive the Software Platform technology, which is seamlessly...Read more
December 15, 2011 | Texas instruments | 222901974
Unique Ser/Des technology supports encrypted video and audio content with full duplex bi-directional control channel over a single wire interface.