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STM32F411: the Latest STM32 Dynamic Efficiencyâ„¢ Microcontrollers

Amel NASRI
ST Employee
Posted on June 26, 2014 at 16:58

The STM32F411 Dynamic Efficiency line brings innovative Batch Acquisition Mode (BAM) to extend battery life with always-on system awareness

 

0690X0000060535QAA.png

http://www.st.com/web/en/catalog/mmc/FM141/SC1169/SS1577/LN1877

 MCUs improve the power-saving performance of data batching –the technique also used in Google’s latest Android 4.4 (KitKat) operating system to maximize battery life- and extend the advantages to many more applications besides smartphones and tablets.

 

The STM32F411:

 

- Is the entry level to the STM32F4 high-performance series.

- Features the ARM® Cortex®-M4 processor core with DSP and Floating-Point Unit (FPU)

- Has up to 512Kbyte of Flash with high SRAM capacity of up to 128Kbyte

- Minimizes dynamic power and boosts processing performance thanks to the ST’s ART Accelerator™ branch cache, 90nm process, and voltage-scaling capability

- Is the first M4-class device to achieve RUN mode current of 100µA/MHz executing EEMBC® CoreMark™ code from Flash with peripherals off while also being able to run up to 100MHz to deliver 125DMIPS.

- Has very low current in STOP mode (just 10µA typical with all SRAM content and context saved)

- Embeds the new Batch Acquisition Mode (BAM) which saves up to 50% extra power by storing sensor data directly  into SRAM while its own CPU core sleeps. The core wakes briefly to process this stored data before returning to power-saving mode.

- Has compact packages down to 3.034mm x 3.22mm

The peripheral set includes:

- a 12-bit 16-channel ADC up to 2.4Msample/s

- up to 11 timers including motor-control timer and general-purpose 16-bit and 32-bit timers

- 3 I2C ports up to 1Mbit/s

- 3 USARTs up to 12.5Mbit/s

- a USB 2.0 OTG Full Speed interface with embedded PHY

- 5 five SPI ports up to 50Mbit/s with five I2S audio interfaces

- an SD/MMC interface

The STM32F411 is in production now, and is supported with a development ecosystem including:

- the 

http://www.st.com/web/en/catalog/tools/FM116/SC959/SS1532/LN1847/PF260320

open hardware platform

http://www.st.com/web/catalog/tools/FM147/CL1794/SC961/SS1533/PF259242

software tools and embedded software

A Discovery kit will also be available in Q4 2014.

STM32F411

http://www.st.com/web/en/press/p3580

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