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The ATSAMD20G17A-AU is a microcontroller from Microchip Technology (formerly Atmel). Below are its specifications, descriptions, and features:

Manufacturer:

• ATMEL (now part of Microchip Technology)

Specifications:

• Core: ARM® Cortex®-M0+
• Operating Frequency: Up to 48 MHz
• Flash Memory: 128 KB
• SRAM: 16 KB
• Package: TQFP-48
• Operating Voltage: 1.62V to 3.63V
• Temperature Range: -40°C to +85°C
• GPIO Pins: 38
• ADC Channels: 12-bit, 20 channels
• DAC Channels: 10-bit, 1 channel
• Timers:
• 16-bit Timer/Counter (TC) × 4
• 32-bit Timer/Counter (TC) × 1
• 16-bit Real-Time Counter (RTC)
• Communication Interfaces:
• USART × 6
• SPI × 2
• I2C × 2
• USB 2.0 Full-Speed Interface (with embedded PHY)
• DMA Controller (12 channels)
• Watchdog Timer (WDT)
• Serial Wire Debug (SWD) Interface

Descriptions:

The ATSAMD20G17A-AU is a low-power, high-performance microcontroller based on the ARM Cortex-M0+ core. It is designed for embedded applications requiring efficient processing, connectivity, and analog features. The device includes 128 KB Flash and 16 KB SRAM, making it suitable for a wide range of IoT, industrial, and consumer applications.

Key Features:

• Low Power Consumption:
• Active Mode: 35 µA/MHz
• Sleep Mode: 4 µA (with RTC running)
• High-Performance 32-bit Core with 48 MHz operation
• Rich Peripheral Set (ADC, DAC, USB, USART, SPI, I2C, Timers)
• Flexible Power Management with multiple sleep modes
• Hardware-Based Security Features (CRC, True Random Number Generator)
• Industrial-Grade Reliability (-40°C to +85°C)

This microcontroller is commonly used in embedded systems, IoT devices, industrial control, and USB-enabled applications.