ATSAMC21J18A-AUT Microchip Technology ATSAMC21J18A-AUT is a 32-bit ARM Cortex-M0+ microcontroller operating at 48MHz with 256KB Flash memory and 32KB RAM. It features 52 I/O pins, multiple connectivity options, and is supplied in a 64-TQFP package.
Mfr Part #:

ATSAMC21J18A-AUT

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
Microchip Technology ATSAMC21J18A-AUT is a 32-bit ARM Cortex-M0+ microcontroller operating at 48MHz with 256KB Flash memory and 32KB RAM. It features 52 I/O pins, multiple connectivity options, and is supplied in a 64-TQFP package.
✓ Total Stock: 801 pcs

ATSAMC21J18A-AUT Available from 2 distributors

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ATSAMC21J18A-AUT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
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
Speed
Supplier Device Package
Voltage

ATSAMC21J18A-AUT Description

Short technical summary and product information.

The Microchip Technology ATSAMC21J18A-AUT is a 32-bit ARM Cortex-M0+ microcontroller designed for embedded control applications. It operates at a maximum speed of 48 MHz and provides 256 KB of Flash program memory along with 32 KB of SRAM.

 

Key peripherals include brown-out detect/reset, DMA, POR, and watchdog timer. The device offers a rich set of data converters: 20x12-bit and 3x16-bit ADCs, and a 1x10-bit DAC. Connectivity interfaces include CAN, I2C, LIN, SPI, and UART/USART, making it suitable for a variety of communication protocols.

 

With 52 general-purpose I/O pins and a supply voltage range of 2.7V to 5.5V, the microcontroller can operate in harsh environments from -40°C to 85°C. The part is housed in a 64-TQFP package with a 10x10mm body, using surface mount technology.

ATSAMC21J18A-AUT Quick Information

Product Type: Microcontroller
Series: SAM C21
Canonical Name: Microchip Technology ATSAMC21J18A-AUT Microcontroller, ARM Cortex-M0+, 48MHz, 256KB Flash, 64-TQFP
Subcategory: ARM Cortex-M0+ Microcontrollers

ATSAMC21J18A-AUT Compliance

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

ATSAMC21J18A-AUT Features

  • ARM Cortex-M0+ 32-bit MCU core.
  • 48 MHz maximum operating speed.
  • 256 KB Flash and 32 KB RAM.
  • 2.7V to 5.5V supply voltage range.
  • -40°C to 85°C operating temperature range.

ATSAMC21J18A-AUT Applications

  • Industrial automation and control systems.
  • Automotive body electronics and CAN networks.
  • Embedded designs requiring multiple serial interfaces.
  • IoT sensor nodes and data acquisition.

ATSAMC21J18A-AUT FAQs

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

2.7V to 5.5V.

What package is the ATSAMC21J18A-AUT available in?

64-TQFP (10x10mm).

What is the operating temperature range?

-40°C to 85°C.

Is the ATSAMC21J18A-AUT RoHS compliant?

RoHS3 compliant (unverified).

What is the maximum clock speed?

48 MHz.

How much Flash memory does it have?

256 KB.

What core processor does it use?

ARM Cortex-M0+.

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