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Integrated Circuits (ICs)

STM32L151C6U6ATR

Ultra-low-power ARM Cortex-M3 MCU with 32 Kbytes Flash, 32 MHz CPU, USB

The STMicroelectronics Ultra-low-power ARM Cortex-M3 MCU is a highly efficient microcontroller designed for a wide range of applications requiring low power consumption and high performance. With a 32 Kbytes Flash memory and a 32 MHz CPU, this MCU is ideal for battery-operated devices and IoT applications. It features a robust set of peripherals, including multiple I2C and SPI channels, and operates reliably in extreme temperature conditions from -40°C to 85°C. Packaged in a compact 48-pin UFQFN

BrandSTMicroelectronics
PackageUFQFN
Device TypeMicrocontrollers

Full Specifications

Number of I/Os37
Min Supply Voltage1.65V
Max Supply Voltage3.6V
Lifecycle StatusProduction
Frequency32MHz
Max Operating Temperature85°C
Min Operating Temperature-40°C
Nominal Supply Current300nA
Number of I2C Channels2
Number of SPI Channels2
Number of Timers/Counters8
PackagingTape & Reel
RAM Size16kB
RoHSNon-Compliant

About This Product

The STMicroelectronics Ultra-low-power ARM Cortex-M3 MCU is a highly efficient microcontroller designed for a wide range of applications requiring low power consumption and high performance. With a 32 Kbytes Flash memory and a 32 MHz CPU, this MCU is ideal for battery-operated devices and IoT applications. It features a robust set of peripherals, including multiple I2C and SPI channels, and operates reliably in extreme temperature conditions from -40°C to 85°C. Packaged in a compact 48-pin UFQFN format, this microcontroller is perfect for space-constrained designs.

What is this product used for?

Suitable for design, repair, and production programs using Microcontrollers devices.

Key Features

  • Case/Package: UFQFN
  • Number of Pins: 48
  • Lifecycle Status: Production
  • Number of I/Os: 37
  • Min Supply Voltage: 1.65V
  • Max Supply Voltage: 3.6V

Typical Use Cases

Embedded Processors and Controllers Microcontrollers UFQFN Microcontrollers

Sourcing Support for This MPN

Contact JaronSemi to confirm package, date code, and traceability requirements.

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  • Approved-alternate and cross-reference review when the requested line is constrained
  • Availability, lifecycle, and supply-risk discussion for procurement planning
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RFQ Checklist

Part number Confirm the target MPN or suggest approved alternates
Target Quantity Sample, pilot run, or mass production volume
Project stage Prototype, NPI, or ongoing production
Target price Budget or target price range if available
Ultra-low-power ARM Cortex-M3 MCU with 32 Kbytes Flash, 32 MHz CPU, USB

STM32L151C6U6ATR

STMicroelectronics

The STMicroelectronics Ultra-low-power ARM Cortex-M3 MCU is a highly efficient microcontroller designed for a wide range of applications requiring low power consumption and high performance. With a 32 Kbytes Flash memory and a 32 MHz CPU, this MCU is ideal for battery-operated devices and IoT applications. It features a robust set of peripherals, including multiple I2C and SPI channels, and operates reliably in extreme temperature conditions from -40°C to 85°C. Packaged in a compact 48-pin UFQFN

  • Competitive pricing from verified sources
  • Sample to production quantities
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