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We no longer stock Low-Power, 32-bit Cortex-M0+ MCU with Advanced Analog and PWM, but here are current alternatives in CircuitPython.

Low-Power, 32-bit Cortex-M0+ MCU with Advanced Analog and PWM

Low-Power, 32-bit Cortex-M0+ MCU with Advanced Analog and PWM

Discontinued

The Microchip SAM D21 is a low-power 32-bit microcontroller based on the ARM Cortex-M0+ processor. Running at up to 48 MHz with 2.46 CoreMark/MHz, it offers a strong balance of performance and power efficiency for embedded applications.

Key Features

  • ARM Cortex-M0+ Core – 32-bit processing at up to 48 MHz
  • Up to 256 KB Flash / 32 KB SRAM – Ample memory for embedded applications
  • Advanced Analogue – High-performance ADC, DAC, and analogue comparators
  • PWM Outputs – Flexible timer/counter peripherals for motor control and signal generation
  • Event System – Hardware inter-peripheral signalling without CPU intervention
  • Capacitive Touch – Built-in support for touch buttons, sliders, and wheels
  • Low Power – Multiple sleep modes for battery-powered designs
  • Pin-Compatible Migration – Available in 32- to 64-pin packages with linear address map compatibility across the SAM D21 family

Ideal For

  • IoT and sensor nodes
  • Wearable devices
  • Motor and actuator control
  • Touch-enabled user interfaces
  • Low-power embedded systems

Package Contents

  • 1× SAM D21 Microcontroller
Maddy, co-founder of Little Bird

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