Components

Microcontrollers Launch New Generation of STM32 Dynamic Efficiency Devices

The latest STM32F401 microcontrollers from STMicroelectronics, Inc. are the first in a new line of STM32 Dynamic Efficiency™ devices that combine multiple technologies to offer the best balance of dynamic power consumption and execution performance, while boosting feature integration. Combining high energy efficiency and over 100DMIPS processing capability, STM32F401 Dynamic Efficiency microcontrollers extend battery life and support innovative new features in mobiles, tablets, and smart watches. They are well-suited for managing MEMS sensors in smart connected devices, and are used in Internet-of-Things (IoT) applications and fieldbus-powered industrial equipment.

Technologies featured in ST's new STM32 Dynamic Efficiency devices include the unique ART Accelerator, a prefetch queue and branch cache. This allows zero-wait-state execution from Flash which boosts performance to 105 DMIPS (285 CoreMark) at 84MHz and helps achieve RUN current down to 128µA/MHz. In addition, 90nm process technology boosts performance and reduces dynamic power, while dynamic voltage scaling optimizes the operating voltage to meet performance demands and minimize leakage. STOP mode current is only 9µA at 1.8V.

Extending the high-performance STM32 F4 series based on the ARM® Cortex-M4 processor with floating-point unit and DSP, the new STM32F401 devices integrate up to 512Kbyte of Flash and 96Kbyte SRAM in a 3.06mm x 3.06mm chip-scale package. Peripherals include three 1Mbit/s I2C ports, three USARTs, four SPI ports, two full-duplex I2S audio interfaces, USB2.0 OTG Full-Speed interface, SDIO interface, 12-bit 2.4MSPS 16-channel ADC, and up to 10 timers.

STM32F401 Dynamic EfficiencyThe STM32F401 Dynamic Efficiency microcontrollers are in full production now. Budgetary pricing for orders of 10,000 pieces per year is from $2.88 for the STM32F401CDY6 (384Kbyte Flash, 96Kbyte SRAM, 3.06mm x 3.06mm WLCSP49 package).

STMicroelectronics Inc.
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