SAM D21 MCU Overview
Last modified by Microchip on 2023/11/10 11:08
A rich set of peripherals, flexibility, and ease of use combined with low power consumption make the Microchip SAM D21 Arm® Cortex®-M0+ based microcontroller series ideal for a wide range of home automation, consumer, metering, and industrial applications. The SAM D21 is designed for simple and intuitive migration between SAM D devices with identical peripheral modules, compatible code, and a linear address map.
Key Features
- Arm Cortex-M0+ based MCU running up to 48 MHz
- Up to 256 kB embedded flash and 32 kB SRAM
- Low power consumption at < 70 µA/MHz
- DMA and event system
- Six (SAM D21J and SAM D21G, four in the SAM D21E) flexible serial communication modules (SERCOM)
- Full-Speed USB Device and embedded Host
- 12-bit ADC
- SAM D21J: 20 channels
- SAM D21G: 14 channels
- SAM D21E: 10 channels
- 10-bit DAC
- Hardware touch support
- QFP and QFN package options
- SAM D21J: 64 pins
- SAM D21G: 48 pins
- SAM D21E: 32 pins
Block Diagram
- Block diagram for ATSAMD21J18.
