ATSAMD20G18A-UUT 32-bit ARM Cortex-M0+ microcontroller with 256KB Flash and 32KB RAM, operating at 48MHz, in a 45-WLCSP package.
Mfr Part #:

ATSAMD20G18A-UUT

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
32-bit ARM Cortex-M0+ microcontroller with 256KB Flash and 32KB RAM, operating at 48MHz, in a 45-WLCSP package.
✓ Total Stock: 4,507 pcs

ATSAMD20G18A-UUT Available from 1 distributor

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4,507 pcs
4507 pcs On Request 1 On Request On Request 18+ On Request On Request

ATSAMD20G18A-UUT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
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Connectivity
Core Processor
Core Size
Data Converters
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
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ATSAMD20G18A-UUT Description

Short technical summary and product information.

The ATSAMD20G18A-UUT is a 32-bit microcontroller from Microchip Technology based on the ARM Cortex-M0+ core. It operates at up to 48 MHz and features 256 KB of Flash program memory and 32 KB of SRAM. The device includes 38 general-purpose I/O pins, a 14-channel 12-bit ADC, a 10-bit DAC, and connectivity interfaces I²C, SPI, and UART/USART. Peripherals include brown-out detect, power-on reset, and watchdog timer.

 

Designed for low-power and high-performance embedded applications, the microcontroller supports a supply voltage range of 1.62V to 3.6V and operates over an industrial temperature range of -40°C to +85°C. The internal oscillator eliminates the need for external clock components.

 

The part is supplied in a 45-ball WLCSP (Wafer Level Chip Scale Package) with a 45-XFBGA, WLCSP package case. It is surface-mount only, suitable for compact designs. The device is RoHS3 compliant.

ATSAMD20G18A-UUT Quick Information

Product Type: Microcontroller
Series: SAM D20
Canonical Name: ATSAMD20G18A-UUT Microchip Technology 32-bit ARM Cortex-M0+ Microcontroller 256KB Flash 45-WLCSP
Subcategory: ARM Cortex-M0+ MCU

ATSAMD20G18A-UUT Compliance

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

ATSAMD20G18A-UUT Features

  • 32-bit ARM Cortex-M0+ core at 48MHz.
  • 256KB Flash and 32KB SRAM memory.
  • 38 I/O pins with multiple serial interfaces.
  • Supply voltage range 1.62V to 3.6V.
  • Industrial temperature range -40°C to 85°C.

ATSAMD20G18A-UUT Applications

  • Ideal for low-power embedded control systems.
  • Suitable for IoT sensor nodes and wearables.
  • Used in industrial automation and monitoring.
  • Applicable for portable medical devices.

ATSAMD20G18A-UUT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATSAMD20G18A-UUT?

The supply voltage range is 1.62V to 3.6V.

What package is the ATSAMD20G18A-UUT available in?

It is available in a 45-ball WLCSP (Wafer Level Chip Scale Package), also designated as 45-XFBGA, WLCSP.

What is the operating temperature range?

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

Is the ATSAMD20G18A-UUT RoHS compliant?

It is listed as RoHS3 Compliant, though the compliance data is unverified.

What is the core processor and speed?

The core is a 32-bit ARM Cortex-M0+ single-core running at 48MHz.

How much Flash and RAM does it have?

It has 256KB of Flash program memory and 32KB of SRAM.

How many I/O pins and what connectivity interfaces are available?

It has 38 I/O pins and supports I²C, SPI, and UART/USART interfaces.

ATSAMD20G18A-UUT Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
ATSAMD20G18A-UUT
ATSAMD20G18A-UUT
Atmel
ARM Cortex-M0+ 32-bit microcontroller from Atmel. Features 48MHz clock, 256KB Flash, 32KB RAM, 38 I/O, and 45-WLCSP package.
View Part
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