Features

• Processor
  • ARM Cortex-M0+ CPU running at up to 48MHz
    • Single-cycle hardware multiplier
    • Micro Trace Buffer (MTB)
• Memories
  • 32/64/128/256KB in-system self-programmable Flash
  • 4/8/16/32KB SRAM Memory
• System
  • Power-on reset (POR) and brown-out detection (BOD)
  • Internal and external clock options with 48MHz Digital Frequency Locked Loop (DFLL48M) and 48MHz to 96MHz Fractional Digital Phase Locked Loop (FDPLL96M)
  • External Interrupt Controller (EIC)
  • 16 external interrupts
  • One non-maskable interrupt
  • 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
  • Three 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
  • 32-bit Real Time Counter (RTC) with clock/calendar function
  • Watchdog Timer (WDT)
  • CRC-32 generator
  • One full-speed (12Mbps) Universal Serial Bus (USB) 2.0 interface
    • Embedded host and device function
    • Eight endpoints
  • Up to six Serial Communication Interfaces (SERCOM), each configurable to operate as either:
    • USART with full-duplex and single-wire half-duplex configuration
    • I2C up to 3.4MHz
    • SPI
    • LIN slave
  • One two-channel Inter-IC Sound (I²S) interface
  • One 12-bit, 350ksps Analog-to-Digital Converter (ADC) with up to 20 channels
    • Differential and single-ended input
    • 1/2x to 16x programmable gain stage
    • Automatic offset and gain error compensation
    • Oversampling and decimation in hardware to support 13-, 14-, 15- or 16-bit resolution
  • 10-bit, 350ksps Digital-to-Analog Converter (DAC)
  • Two Analog Comparators (AC) with window compare function
  • Peripheral Touch Controller (PTC)
    • 256-Channel capacitive touch and proximity sensing
• I/O
  • Up to 52 programmable I/O pins
• Drop in compatible with SAM D20
• Packages
  • 64-pin TQFP, QFN, UFBGA
  • 48-pin TQFP, QFN, WLCSP
  • 32-pin TQFP, QFN, WLCSP
• Operating Voltage
  • 1.62V – 3.63V