• Processor – ARM Cortex-M0+ CPU running at up to 48MHz • Single-cycle hardware multiplier • Micro Trace Buffer (MTB) • Memories – 16/32/64KB in-system self-programmable Flash – 0.5/1/2KB Read-While-Write (RWW) Flash section – 4/4/8KB 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 controller • Device 2.0 and reduced-host low speed and full speed • Flexible end-point configuration and management with dedicated DMA channels • On-chip transceivers including pull-ups and serial resistors • Crystal-less operation in device mode – 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 – 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 • Packages – 64-pin TQFP – 48-pin TQFP, QFN – 32-pin TQFP, QFN • Operating Voltage – 2.7V - 3.63V • Temperature range – -40°C to +105°C SAM DA1 © 2017 Microchip Technology Inc. Datasheet C
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