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Home » NEWEST Products » New by Manufacturer » STMicroelectronics » STM STM32L EnergyLite™ 32-bit MCUs
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STMicroelectronics STM32L EnergyLite 32-bit MCUs

 

STMicroelectronics STM32L EnergyLite™ 32-bit MCUs

STMicroelectronics STM32L EnergyLite™ 32-bit microcontrollers combine unique STMicroelectronics low-leakage 130nm process technology and optimized power-saving architecture to deliver industry-leading energy-saving performance. STM32L ARM Cortex-M3 based MCUs are part of the STMicroelectronics EnergyLite platform of ultra low-power products enabling designers to optimize performance, function, and battery life and meet efficiency-related criteria such as eco-design targets. STM32L MCUs consume only 0.27µA in lowest power mode and 230 µA/MHz in dynamic run mode. The STM32L151 and STM32L152 differ in that the STM32L152 features an LCD controller. These STMicroelectronics STM32L ARM Cortex-M3 MCUs feature 128Kbytes of Flash memory.

Features
  • Core: ARM 32-bit Cortex™-M3 CPU
    • 32 MHz maximum frequency, 33.3 DMIPS peak (Dhrystone 2.1)
    • Memory protection unit
  • Memory:
    • 128 Kbyte of Flash memory with ECC
    • 4 Kbyte of data EEPROM with ECC
    • Up to 16 Kbyte of RAM
  • I/Os:
    • Up to 83 fast I/Os (73 of which are 5 V-tolerant) all mappable on 16 external interrupt vectors
  • Low power features:
    • 4 modes: Sleep, Low-power run (9 μA at 32 kHz), Low-power sleep (4.9 μA), Stop with RTC (1.2 μA), Stop (570 nA), Standby (300 nA)
  • ADC: 12-bit ADC up to 1 Msps/24 channels
  • LCD: 8 × 40 or 4 × 44 with step-up converter*

  • Operating conditions:
    • Operating power supply range: 1.65 V to 3.6 V (without BOR) or 1.8 V to 3.6 V (with BOR option)
    • Temp. range: -40 to 85 °C
* NOTE: Available only on STM32L152

Applications
  • Medical equipment
  • Handheld equipment
  • Application control
  • User interface
  • PC peripherals
  • Gaming
  • GPS
  • Sport equipment
  • Alarm systems
  • Wired and wireless sensors
  • Video intercom
  • Utility metering
Additional Resources
STM32L MCUs Block Diagram
STMicroelectronics STM32L-DISCOVERY

STMicroelectronics STM32L152C-DISCO
Ultralow Power Discovery Board

STMicroelctronics STM32L152C-DISCO Ultralow Power Discovery Board helps you to discover the STM32L ultra low power features and to develop and share your applications. It is based on a  STM32L152RCT6, and include an ST-Link/V2 embedded debugging tool interface, an LCD (24 segments, 4 commons), LEDs, pushbuttons, a linear touch sensor or touchkeys. The board power supply is through a USB bus or an external 3.3 or 5V supply voltage. This discovery board also includes two pushbuttons (user and reset) and and one linear touch sensor or four touchkeys.

View Product Detail Additional Resources
STM32L152C-DISCO Data Brief
STM32LL152C-DISCO Product Info

STMicroelectronics STM32 L0 Ultra-low Power MCUs

STMicroelectronics STM32 L0 MCU has been optimized to achieve an outstandingly low power consumption level. An ARM® Cortex®-M0+ core and STM32 ultra-low-power features makes the STM32 L0 ideal for applications operating on battery or supplied by energy harvesting. The STM32 L0 offers dynamic voltage scaling, an ultra-low-power clock oscillator, LCD interface, comparator, DAC and hardware encryption. New autonomous peripherals (including USART, I²C, touch sense controller) reduce the load of the ARM Cortex-M0+ core leading to fewer CPU wakeups and contribute to decreased processing time and power consumption. Other features, such as 16-bit ADC (HW oversampling), crystal-less USB, short wake-up time and communication peripherals capable of operating in ultra-low-power mode make up for an unrivaled tradeoff between feature integration, performance and ultra-low-energy consumption. The STM32 L0 is available with up to 64 Kbytes of Flash, 8 Kbytes of RAM and up to 2 Kbytes of embedded EEPROM (no emulation needed) in 32- to 64-pin packages, including a space-saving WLCSP36.

Features
  • Low voltage 1.65 to 3.6V
  • Dynamic voltage scaling
  • 5 clock sources
  • Advanced RTC w/ calibration
  • Multiple USART, SPI, I²C
  • Multiple 16-bit timers
  • -40°C to 1.5°C operating temperature
  • 2 watchdogs
  • Program voltage detector
  • Reset circuitry POR/PDR
  • Brown out reset
  • DMA
  • Comparators
  • Temperature sensor
  • AES 128-bit
Part NumberA/D Channels AvailableNumber of Programmable I/OsOn-Chip DACInterface TypeData Sheet






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