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HomeProductsRF/IF and RFIDRF Transceiver ICsATSAMR21E18A-MU
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ATSAMR21E18A-MU - Microchip Technology

Manufacturer Part Number
ATSAMR21E18A-MU
Manufacturer
Microchip Technology
Allelco Part Number
32D-ATSAMR21E18A-MU
ECAD Model
Parts Description
IC RF TXRX+MCU ISM>1GHZ 32VQFN
Detailed Description
Package
32-VFQFN Exposed Pad
Data sheet
ATSAMR21E,G Summary.pdf
SAM R21E,G Datasheet.pdf
RoHs Status
ROHS3 Compliant
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In stock: 5116

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Specifications

ATSAMR21E18A-MU Tech Specifications
Microchip Technology - ATSAMR21E18A-MU technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - ATSAMR21E18A-MU

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Voltage - Supply 1.8V ~ 3.6V  
Type TxRx + MCU  
Supplier Device Package 32-QFN (5x5)  
Series SMART™ SAM R21  
Serial Interfaces I²C, SPI, UART, USART, USB  
Sensitivity -99dBm  
RF Family/Standard General ISM > 1GHz  
Protocol -  
Power - Output 4dBm  
Package / Case 32-VFQFN Exposed Pad  
Product Attribute Attribute Value  
Package Tray  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Modulation O-QPSK  
Memory Size 256kB Flash, 32kB SRAM  
GPIO 16  
Frequency 2.4GHz  
Data Rate (Max) 250kbps  
Current - Transmitting 7.2mA ~ 13.8mA  
Current - Receiving 11.3mA ~ 11.8mA  
Base Product Number ATSAMR21  

Parts Introduction

Manufacturer Part Number

ATSAMR21E18A-MU

Manufacturer

Microchip Technology

Introduction

The ATSAMR21E18A-MU is a highly integrated, low-power wireless microcontroller unit (MCU) from Microchip Technology. It combines a 2.4GHz RF transceiver and a 32-bit ARM Cortex-M0+ based microcontroller in a single chip.

Product Features and Performance

4GHz RF transceiver with O-QPSK modulation

Up to 250kbps data rate

Receiver sensitivity of -99dBm

Transmit power of up to 4dBm

Low power consumption: 7.2mA to 13.8mA in transmit mode, 11.3mA to 11.8mA in receive mode

256kB Flash and 32kB SRAM

Integrated serial interfaces: I2C, SPI, UART, USART, USB

16 GPIO pins

Product Advantages

Highly integrated wireless MCU solution

Low power consumption for extended battery life

Flexible serial interface options for easy integration

Robust RF performance for reliable wireless communication

Key Technical Parameters

Frequency: 2.4GHz

Operating temperature: -40°C to 85°C

Supply voltage: 1.8V to 3.6V

Package: 32-QFN (5x5) with exposed pad

Quality and Safety Features

RoHS3 compliant

Microchip's high-quality manufacturing and testing processes

Compatibility

The ATSAMR21E18A-MU is compatible with a wide range of wireless applications and can be used in various IoT, smart home, and industrial automation systems.

Application Areas

Wireless sensor networks

Home automation

Industrial control systems

Wearable devices

Asset tracking

Product Lifecycle

The ATSAMR21E18A-MU is an actively supported product by Microchip Technology. There are no plans for discontinuation, and Microchip offers various replacement and upgrade options as technology evolves.

Key Reasons to Choose This Product

Highly integrated wireless MCU solution for reduced design complexity

Excellent RF performance and low power consumption for efficient wireless communication

Flexible serial interface options for easy integration into various systems

Robust and reliable due to Microchip's quality manufacturing and testing processes

Actively supported by Microchip with replacement and upgrade options available

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology ATSAMR21E18A-MU

Product Attribute ATSAMR21E18A-MU ATSAMR21G18A-MFT ATSAMR21G17A-MU ATSAMR21G18A-MU
Part Number ATSAMR21E18A-MU ATSAMR21G18A-MFT ATSAMR21G17A-MU ATSAMR21G18A-MU
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Supplier Device Package 32-QFN (5x5) 48-QFN (7x7) 48-QFN (7x7) 48-QFN (7x7)
GPIO 16 28 28 28
Current - Receiving 11.3mA ~ 11.8mA 11.3mA ~ 11.8mA 11.3mA ~ 11.8mA 11.3mA ~ 11.8mA
Operating Temperature -40°C ~ 85°C -40°C ~ 125°C -40°C ~ 85°C -40°C ~ 85°C
Sensitivity -99dBm -99dBm -99dBm -99dBm
Power - Output 4dBm 4dBm 4dBm 4dBm
Memory Size 256kB Flash, 32kB SRAM 256kB Flash, 32kB SRAM 128kB Flash, 16kB SRAM 256kB Flash, 32kB SRAM
RF Family/Standard General ISM > 1GHz General ISM > 1GHz General ISM > 1GHz General ISM > 1GHz
Package / Case 32-VFQFN Exposed Pad 48-VFQFN Exposed Pad 48-VFQFN Exposed Pad 48-VFQFN Exposed Pad
Frequency 2.4GHz 2.4GHz 2.4GHz 2.4GHz
Data Rate (Max) 250kbps 250kbps 250kbps 250kbps
Voltage - Supply 1.8V ~ 3.6V 1.8V ~ 3.6V 1.8V ~ 3.6V 1.8V ~ 3.6V
Modulation O-QPSK O-QPSK O-QPSK O-QPSK
Protocol - - - -
Package Tray Tape & Reel (TR) Tray Tray
Type TxRx + MCU TxRx + MCU TxRx + MCU TxRx + MCU
Serial Interfaces I²C, SPI, UART, USART, USB I²C, SPI, UART, USART, USB I²C, SPI, UART, USART, USB I²C, SPI, UART, USART, USB
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Base Product Number ATSAMR21 ATSAMR21 ATSAMR21 ATSAMR21
Current - Transmitting 7.2mA ~ 13.8mA 7.2mA ~ 13.8mA 7.2mA ~ 13.8mA 7.2mA ~ 13.8mA
Series SMART™ SAM R21 SMART™ SAM R21 SMART™ SAM R21 SMART™ SAM R21

ATSAMR21E18A-MU Datasheet PDF

Download ATSAMR21E18A-MU pdf datasheets and Microchip Technology documentation for ATSAMR21E18A-MU - Microchip Technology.

Datasheets
ATSAMR21E,G Summary.pdf
PCN Packaging
MBB/Label Chgs 16/Nov/2018.pdf Transfer to Microchip/Label/Pkg 5/Sep/2016.pdf
PCN Design/Specification
Marking Chgs 11/Jul/2017.pdf
HTML Datasheet
SAM R21E,G Datasheet.pdf
PCN Assembly/Origin
ATSAMR21E/ATMEGA2564 11/Aug/2017.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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ATSAMR21E18A-MU Image

ATSAMR21E18A-MU

Microchip Technology
32D-ATSAMR21E18A-MU

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