ATSAMD21E16C-UUT The ATSAMD21E16C-UUT is a 32-bit ARM Cortex-M0+ microcontroller from Microchip Technology. It features 64KB Flash, 8KB RAM, 48MHz operation, and a 35-WLCSP package.
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ATSAMD21E16C-UUT

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATSAMD21E16C-UUT is a 32-bit ARM Cortex-M0+ microcontroller from Microchip Technology. It features 64KB Flash, 8KB RAM, 48MHz operation, and a 35-WLCSP package.
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ATSAMD21E16C-UUT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
Failure Rate
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
SVHC Present
Speed
Supplier Device Package
Voltage

ATSAMD21E16C-UUT Description

Short technical summary and product information.

The ATSAMD21E16C-UUT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, designed for embedded applications requiring low power and high performance. It operates at a clock frequency of 48 MHz and is part of the SAM D21E series, which includes Functional Safety (FuSa) features.

 

It integrates 64 KB of Flash program memory and 8 KB of RAM, along with a rich set of peripherals including brown-out detect/reset, DMA, I²S, POR, PWM, and WDT. Connectivity options include I²C, LINbus, SPI, UART/USART, and USB. The device also features 10-channel 12-bit A/D converter and a single 10-bit D/A converter.

 

The microcontroller is supplied in a 35-pin XFBGA/WLCSP package (35-WLCSP, 2.82x2.53 mm) with surface mount mounting. It operates over a supply voltage range of 1.62 V to 3.63 V and a temperature range of -40°C to 85°C, making it suitable for a wide range of industrial and consumer environments.

ATSAMD21E16C-UUT Quick Information

Product Type: Microcontroller
Series: SAM D21E, Functional Safety (FuSa)
Canonical Name: Microchip Technology ATSAMD21E16C-UUT ARM Cortex-M0+ 32-bit Microcontroller, 64KB Flash, 8KB RAM, 48MHz, 35-WLCSP
Subcategory: ARM Cortex-M0+ Microcontroller

ATSAMD21E16C-UUT Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

ATSAMD21E16C-UUT Features

  • 32-bit ARM Cortex-M0+ core, 48MHz clock.
  • 64KB Flash and 8KB RAM on-chip.
  • Supports I2C, SPI, UART/USART, and USB.
  • Operating voltage range 1.62V to 3.63V.
  • Temperature range -40°C to 85°C.

ATSAMD21E16C-UUT Applications

  • Ideal for embedded control systems.
  • Suitable for IoT sensor nodes.
  • Used in industrial automation.
  • Powers battery-operated devices.

ATSAMD21E16C-UUT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATSAMD21E16C-UUT?

The operating voltage range is 1.62V to 3.63V.

What package is the ATSAMD21E16C-UUT available in?

It is available in a 35-XFBGA, WLCSP package with supplier device package 35-WLCSP (2.82x2.53).

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

Is the ATSAMD21E16C-UUT RoHS compliant?

It is listed as RoHS3 Compliant, but this is unverified (low confidence).

What is the core processor of the ATSAMD21E16C-UUT?

The core processor is ARM Cortex-M0+ (32-bit single-core).

How much flash memory does it have?

It has 64KB (64K x 8) of Flash program memory.

What communication interfaces does it support?

It supports I2C, LINbus, SPI, UART/USART, and USB.

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