SAM D21/DA1 Family Low-Power, 32-bit Cortex-M0+ MCU with Advanced Analog and PWM 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) – Internal and external clock options with 48 MHz Digital Frequency-Locked Loop (DFLL48M) and 48 MHz to 96 MHz Fractional Digital Phase-Locked Loop (FDPLL96M) – External Interrupt Controller (EIC) – 16 external interrupts – One Non-maskable Inte...

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