Microchip ATSAMD21G17D-AF

ATSAMD21G17D-AF General Description

The ATSAMD21G17D-AF stands out for its seamless pin migration to other SAMD21 devices, providing flexibility for future hardware upgrades or design changes. Its wide voltage supply range of 1.62V to 3.63V accommodates various power input sources, while support for up to 120 touch channels adds another layer of versatility. Whether you're working on a consumer electronics project or a complex industrial automation system, this microcontroller offers the performance and reliability needed to bring your ideas to life

Features

Processor
• ARM Cortex-M0+ CPU running at up to 48MHz
• Single-cycle hardware multiplier
• Micro Trace Buffer

Memories
• 128KB in-system self-programmable Flash
• 4KB RWW Support in device variant D
• 16KB SRAM Memory

System
• Power-on reset (POR) and brown-out detection (BOD)
• Internal and external clock options with 48MHDigital Frequency Locked Loop (DFLL48M) and 48MHto 96MHFractional
• External Interrupt Controller (EIC)
• 16 external interrupts
• One non-maskable interrupt
• Two-pin Serial Wire Debug (SWD) programming, test and debugging interface
• Drop in compatible with SAM D20

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 compare/capture channels
• One 8-bit TC with compare/capture channels
• One 32-bit TC with 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
• 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 device function
• Eight endpoints
• Six Serial Communication Interfaces (SERCOM), each configurable to operate as either:
• USART with full-duplex and single-wire half-duplex configuration
• I2C Bus up to 3.4MHz
• SMBUS/PMBUS
• SPI
• LIN client
• 12-bit, 350ksps Analog-to-Digital Converter (ADC) with up to 14 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
• 38 GPIO pins

Packages
• 48-pin TQFP, QFN, WLCSP

Operating Voltage
• 1.62V – 3.63V

Specifications