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SAMD21

Microchip
Part Number SAMD21
Manufacturer Microchip
Description Low-Power 32-bit Cortex-M0+ MCU
Published May 17, 2019
Detailed Description SAM D21/DA1 Family Low-Power, 32-bit Cortex-M0+ MCU with Advanced Analog and PWM Features • Processor – Arm® Cortex®-M0+...
Datasheet PDF File SAMD21 PDF File

SAMD21
SAMD21

Overview
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 Interrupt (NMI) – Two-pin Serial Wire Debug (SWD) programming, test and debugging interface • Low Power – Idle and Standby Sleep modes – SleepWalking peripherals • Peripherals – 12-channel Direct Memory Access Controller (DMAC) – 12-channel Event System – Up to five 16-bit Timer/Counters (TC), configurable as either: • One 16-bit TC with two compare/capture channels • One 8-bit TC with two compare/capture channels • One 32-bit TC with two compare/capture channels, by using two TCs – Up to four 24-bit Timer/Counters for Control (TCC), with extended functions: • Up to four compare channels with optional complementary output • Generation of synchronized pulse width modulation (PWM) pattern across port pins • Deterministic fault protection, fast decay and configurable dead-time between complementary output • Dithering that increase resolution with up to 5 bit and reduce quantization error – PWM Channels using TC and TCC peripherals: • Up to eight PWM channels on each 24-bit TCC • Up to two PWM channels on each 16-bit TCC • Up to two PWM channels on each 16-bit TC – 32-bit Real Time Counter (RTC) with clock/calendar function – Watchdog Timer (WDT) – CRC-32 generator © 2021 Microchip Technology Inc.
and its subsidiaries Complete Datasheet DS40001882H-page 1 SAM D21/DA1 Family – One ful...


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