ATSAMD21E18A-MU

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ATSAMD21E18A-MU

IC MCU 32BIT 256KB FLASH 32QFN

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Specifications

Series SAM D21E, Functional Safety (FuSa)
Part Status Active
Base Product Number ATSAMD21
DigiKey Programmable Not Verified
Core Processor ARM® Cortex®-M0+
Core Size 32-Bit
Speed 48MHz
Connectivity I2C, LINbus, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Number of I/O 26
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
RAM Size 32K x 8
Voltage - Supply (Vcc/Vdd) 1.62V ~ 3.6V
Data Converters A/D 10x12b; D/A 1x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Supplier Device Package 32-VQFN (5x5)
Package 32-VFQFN Exposed Pad
Packaging Tray

Overview

Description

The ATSAMD21E18A-MU is a microcontroller from Microchip's SAM D21 family, based on the ARM Cortex-M0+ architecture. It features 32KB of SRAM and 256KB of flash memory, making it suitable for various embedded applications. With a maximum clock speed of 48 MHz, it supports low-power operation, helping extend battery life in portable devices.
The microcontroller includes a rich set of peripherals such as GPIO, ADC, DAC, timers, and communication interfaces like I2C, SPI, and UART. It also supports USB connectivity, enabling easy integration with other devices. The ATSAMD21E18A-MU operates from a 1.62V to 3.6V supply, making it versatile for low-voltage applications.
Additionally, it is compatible with the Atmel Studio IDE and Arduino ecosystem, facilitating development and prototyping. Its combination of performance, low power consumption, and extensive peripheral support makes the ATSAMD21E18A-MU ideal for IoT devices, wearables, and other embedded systems.

Features

The ATSAMD21E18A-MU is a 32-bit ARM Cortex-M0+ microcontroller from Microchip’s SAM D21 family. Key features include:
- Core: 32-bit ARM Cortex-M0+ running at up to 48 MHz.
- Flash Memory: 256 KB of flash memory.
- SRAM: 32 KB of static RAM.
- I/O Pins: 38 programmable I/O pins.
- ADC: 12-bit Analog-to-Digital Converter with up to 13 channels.
- Communication Interfaces: Supports I2C, SPI, UART, and USART.
- Timers: Multiple 16-bit timers/counters.
- Power Management: Low power consumption with various sleep modes, suitable for battery-operated applications.
- USB: Full-speed USB 2.0 interface.
- Development Support: Compatible with Atmel Studio and other development tools.
Overall, the ATSAMD21E18A-MU is designed for a wide range of applications, including consumer electronics, IoT devices, and embedded systems, offering flexibility and efficiency for developers.

Package

The ATSAMD21E18A-MU is packaged in a 48-pin QFN (Quad Flat No-lead) package. This type of package features a compact design with solder pads on the bottom, allowing for efficient thermal management and a smaller footprint suitable for space-constrained applications.

Pinout

The ATSAMD21E18A-MU is a microcontroller from Microchip's SAM D21 series, featuring 48 pins in a QFN package (Quad Flat No-lead). Its pin count includes a variety of functionalities, including digital I/O, analog inputs, communication interfaces, and power management.
Key functions of the pins include:
- GPIO: Configurable general-purpose input/output pins.
- ADC: Analog-to-digital converter input channels.
- I2C/SPI/UART: Serial communication interfaces for peripheral connectivity.
- PWM: Pulse-width modulation outputs for motor control or signal generation.
- External Interrupts: Dedicated pins for handling external events.
- Reset and Power Pins: Including VCC, GND, and reset functionality.
The microcontroller operates at a maximum clock frequency of 48 MHz and is designed for low-power applications, making it suitable for embedded systems.

Manufacturer

The ATSAMD21E18A-MU is manufactured by Microchip Technology Inc., a leading semiconductor company. Microchip specializes in designing and manufacturing microcontrollers, memory, and analog semiconductor products. The company is well-known for its extensive range of microcontroller families, including the PIC and AVR series, as well as the SAM series, which includes ARM Cortex-M based devices like the ATSAMD21E18A-MU. Microchip serves various industries, including automotive, industrial, consumer, and communication. It focuses on providing embedded control solutions and has a strong commitment to innovation and customer support.

Application

The ATSAMD21E18A-MU is widely used in various application areas, including:
1. Embedded Systems: Ideal for microcontroller applications.
2. IoT Devices: Supports connectivity with low power consumption.
3. Wearable Technology: Suitable for health and fitness trackers.
4. Consumer Electronics: Utilized in smart home devices.
5. Industrial Automation: Employed in control systems and sensors.
6. Automotive Applications: Used for lightweight processing tasks.
Its versatility and low power features make it suitable for a broad range of applications.

Equivalent

The ATSAMD21E18A-MU chip is an ARM Cortex-M0+ microcontroller from Microchip Technology. Equivalent products include the ATSAMD21G18A, which has similar features but with different memory configurations, and the nRF52832 from Nordic Semiconductor, which offers Bluetooth capabilities. Another alternative is the STM32F0 series from STMicroelectronics, providing comparable performance and peripherals. Always check specific requirements for compatibility.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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