SAMD21 Overview
SAM D21/DA1 Family Low-Power, 32-bit Cortex-M0+ MCU with Advanced Analog and PWM.
SAMD21 Key Features
- Processor
- Arm® Cortex®-M0+ CPU running at up to 48 MHz
- Single-cycle hardware multiplier
- Micro Trace Buffer (MTB)
- Memories
- 4/2/1/0.5 KB Read-While-Write (RWWEE) Flash section (not available on 256 KB devices)
- 256/128/64/32/16 KB in-system self-programmable Flash
- 32/16/8/4 KB SRAM Memory
- System
- Power-on Reset (POR) and Brown-out Detection (BOD)
