Microchip Technology SAM4L ARM Cortex-M4 Microcontrollers

Microchip SAM4L ARM Cortex-M4 Microcontrollers (MCUs) deliver the lowest power in active mode (down to 0.9µA/MHz) and sleep mode with full RAM retention (1.5µA) with the shortest wake-up time (down to 1.5µs). Microchip SAM4L ARM Cortex-M4 Microcontrollers offer picoPower® technology, highly efficient signal processing, ease of use, and high-speed communication peripherals. SAM4L ARM Cortex-M4 MCUs are ideal for power-sensitive designs in the industrial, healthcare, and consumer application areas.


  • Cortex-M4 microcontroller at 48MHz
  • Lowest power consumption in active and sleep modes
  • 128KB to 256KB embedded Flash
  • Hardware capacitive touch module supported by 
  • Microchip QTouch technology
  • Up to 4x40-segment LCD controller


  • Power sensitive designs
  • Industrial
  • Healthcare
  • Consumer

Block Diagram

Block Diagram - Microchip Technology SAM4L ARM Cortex-M4 Microcontrollers
Published: 2013-02-27 | Updated: 2022-03-11