ATSAMD21E16C-UUT: A High-Performance 32-Bit ARM Cortex-M0+ Microcontroller by Microchip Technology

The ATSAMD21E16C-UUT from Microchip Technology is a cutting-edge 32-bit microcontroller designed for modern embedded applications. Combining exceptional performance with ultra-low power consumption, this MCU is perfect for IoT devices, consumer electronics, industrial automation, and more. As part of Microchip's SAM D21 family, it delivers advanced features in a compact package, making it one of the most versatile microcontrollers available today.

Comprehensive Technical Overview

Advanced Processor Architecture

At its core, the ATSAMD21E16C-UUT features an ARM Cortex-M0+ processor running at 48MHz. This 32-bit RISC architecture provides:

• Up to 2.46 CoreMark/MHz performance
• Single-cycle I/O access for faster peripheral control
• Hardware multiplier for efficient mathematical operations
• Thumb-2 instruction set for optimal code density

Memory Configuration

The microcontroller boasts an impressive memory architecture:

• 64KB Flash memory with 100,000 write cycles endurance
• 8KB SRAM for high-speed data processing
• Memory Protection Unit (MPU) for enhanced security
• Dual-panel flash for simultaneous read-write operations

Rich Peripheral Set

The ATSAMD21E16C-UUT includes an extensive range of peripherals:

• 12-channel 12-bit ADC with 350ksps conversion rate
• 10-bit DAC for analog output
• 6-channel DMA controller for efficient data transfer
• Multiple 16-bit timer/counters with PWM
• Real-Time Counter (RTC) with calendar functionality
• 32-bit CRC generator for data integrity checks

Connectivity Features

This microcontroller supports virtually all standard communication protocols:

• USB 2.0 Full-Speed with embedded PHY
• Up to 8 Serial Communication Interfaces (SERCOM) configurable as:
  • USART/UART
  • SPI
  • I2C
  • LIN slave
• I2S interface for digital audio
• PDC for peripheral DMA

Power Management

The ATSAMD21E16C-UUT excels in power efficiency:

• Operating voltage: 1.62V to 3.63V
• Active mode power as low as 70 A/MHz
• Standby current down to 4 A with RTC running
• Backup domain with <1 A consumption
• Multiple sleep modes for optimal power management

Development Ecosystem

Microchip provides comprehensive support for the ATSAMD21E16C-UUT:

• Free Atmel Studio IDE and MPLAB X IDE
• Support for IAR Embedded Workbench and Keil MDK
• Arduino-compatible boards available
• Extensive library support including Harmony 3 framework
• Evaluation kits and development boards

Package Options and Availability

The ATSAMD21E16C-UUT is available in:

• 35-ball WLCSP (2.82 x 2.53mm)
• 32-pin QFN (5x5mm)
• 48-pin QFN (7x7mm)

All variants are industrial temperature rated (-40 C to +85 C) and RoHS compliant.

Applications

This versatile microcontroller is ideal for:

• IoT Edge Nodes: Sensor hubs, wireless modules
• Consumer Electronics: Smart home devices, wearables
• Industrial Control: HMI, motor control, PLCs
• Medical Devices: Portable monitoring equipment
• Automotive: Aftermarket accessories, body electronics

Why Choose ATSAMD21E16C-UUT?

The ATSAMD21E16C-UUT stands out because:

1. Combines 32-bit performance with 8-bit simplicity
2. Offers best-in-class power efficiency
3. Provides extensive peripheral integration
4. Features robust development ecosystem
5. Delivers excellent cost-performance ratio

For engineers looking to develop next-generation embedded systems, the ATSAMD21E16C-UUT represents an optimal balance of performance, power efficiency, and cost-effectiveness. Its comprehensive feature set and strong vendor support make it an excellent choice for a wide range of applications.

Ready to start your project? Purchase the ATSAMD21E16C-UUT today from authorized Microchip distributors and take advantage of its powerful features for your embedded designs.