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SAM 4L MCUs

Redefining Low Power in ARM® Cortex® M4 based Microcontrollers

SAM4L microcontrollers (MCUs) redefine the power benchmark for Cortex®-M4 processor-based devices, delivering the lowest power in active mode (down to 90µA/MHz) as well as sleep mode with full RAM retention (1.5µA) with the shortest wake-up time (down to 1.5µs). Embedding Microchip picoPower® technology, the SAM4L family provides highly efficient signal processing, ease of use and high-speed communication peripherals—ideal for power-sensitive designs in the industrial, healthcare and consumer application areas.

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Key Features

  • Microchip picoPower Technology — Ensures that devices are developed from the ground up for the lowest power consumption possible, enabling long battery life
  • Microchip QTouch® Capacitive Touch Support — Includes hardware integrated capacitive touch module based on QTouch® technology for fast development of touch and proximity functionality with ultra low power consumption
  • Highly Efficient Signal Processing — Thanks to the Cortex-M4 architecture, the SAM4L microcontrollers feature extended single-cycle multiply-accumulate instructions, optimized SIMD arithmetic and saturating arithmetic instructions for highly efficient signal processing
  • Ease of Use — Its ecosystem of software tools and support for Microchip Studio 6 integrated development environment enables an efficient design process and reduces time to market

SAM4LC Series

A member of the Microchip SAM4L family of Flash microcontrollers based on the ARM Cortex-M4 processor, the ATSAM4LC series delivers the lowest power in active mode (down to 90µA/MHz) as well as sleep mode with full RAM retention (1.5µA) and the shortest wake-up time (down to 1.5µs) in a Cortex-M4 device. The device features an LCD controller, hardware cryptography, USB host and device, peripheral event system, SleepWalking intelligent peripherals and built-in security including 128-bit Advanced Encryption Standard (AES). Integrated Microchip QTouch technology makes it easy to bring capacitive touch functionality to your hardware.

  • Cortex-M4 microcontroller at 48MHz
  • Lowest power consumption in active and sleep modes
  • 128KB to 512KB embedded Flash
  • Hardware capacitive touch module supported by Microchip QTouch technology
  • Up to 4x40-segment LCD controller

SAM4LS Series

A member of the Microchip SAM4L family of Flash microcontrollers based on the ARM Cortex-M4 processor, the ATSAM4LS delivers the lowest power in active mode (down to 90µA/MHz) as well as sleep mode with full RAM retention (1.5µA) and the shortest wake-up time (down to 1.5µs) in a Cortex-M4 device. The device features a USB device, peripheral event system and SleepWalking intelligent peripherals. Integrated Microchip QTouch technology makes it easy to bring capacitive touch functionality to your hardware.

  • Cortex-M4 microcontroller at 48MHz
  • Lowest power consumption in active and sleep modes
  • 128KB to 512KB embedded Flash
  • Hardware capacitive touch module supported by Microchip QTouch technology