Mfr Part #:

ATSAMC21N18A-AN

The ATSAMC21N18A-AN is a 32-bit ARM Cortex-M0+ microcontroller from Microchip Technology. It operates at 48MHz with 256KB flash memory and 32KB RAM, available in a 100-TQFP package.

✓ Total Stock: 1,602 pcs

ATSAMC21N18A-AN Available from 1 distributor

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Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Xingangxin ✓ Non-Authorised Inventory information	1,602 pcs On Request	1602 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

ATSAMC21N18A-AN Description

Short technical summary and product information.

The ATSAMC21N18A-AN is a 32-bit ARM Cortex-M0+ based microcontroller from Microchip Technology. It features a maximum clock speed of 48MHz, providing a balance of performance and power efficiency for embedded control applications. The device is built around a 32-bit single-core architecture and includes a comprehensive set of peripherals.

This microcontroller offers 256KB of program memory in flash format and 32KB of RAM, along with 84 general-purpose I/O pins. It integrates a range of connectivity options including CANbus, I2C, LINbus, SPI, and UART/USART. The device also includes analog-to-digital converters (20x12-bit and 3x16-bit) and a digital-to-analog converter (1x10-bit), making it suitable for mixed-signal applications.

The ATSAMC21N18A-AN operates from a 2.7V to 5.5V supply and has an operating temperature range of -40°C to 105°C. It includes internal oscillator, brown-out detect/reset, DMA, POR, and watchdog timer functions for robust system design. The 100-TQFP package (14x14mm) is surface-mountable, suitable for a wide range of PCB assembly processes.

ATSAMC21N18A-AN Quick Information

Product Type: Microcontroller

Series: SAM C21

Canonical Name: Microchip Technology ATSAMC21N18A-AN - 32-Bit ARM Cortex-M0+ Microcontroller

Subcategory: Microcontrollers

ATSAMC21N18A-AN Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

ATSAMC21N18A-AN Features

ARM Cortex-M0+ 32-bit processor core.
Runs at 48MHz maximum speed.
256KB flash and 32KB SRAM memory.
Supports 84 general-purpose I/O pins.
Operates at -40°C to 105°C range.

ATSAMC21N18A-AN Applications

Supports CANbus networking for automotive applications.
Ideal for industrial control with multiple UARTs.
Suitable for sensor interfaces using I2C and SPI.
Capable of mixed-signal processing with ADCs and DAC.

ATSAMC21N18A-AN FAQs

7 frequently asked questions generated from this part’s specifications.

What is the operating voltage range of the ATSAMC21N18A-AN?

The operating voltage range is 2.7V to 5.5V.

What package does the ATSAMC21N18A-AN come in?

The ATSAMC21N18A-AN is available in a 100-TQFP (14x14mm) surface-mount package.

What is the operating temperature range of the ATSAMC21N18A-AN?

The operating temperature range is -40°C to 105°C.

Is the ATSAMC21N18A-AN RoHS compliant?

The part is listed as RoHS3 compliant, but this status is unverified.

What is the maximum clock speed of the ATSAMC21N18A-AN?

The maximum clock speed is 48MHz.

How much flash memory does the ATSAMC21N18A-AN have?

It has 256KB of flash program memory.

What communication interfaces are available on the ATSAMC21N18A-AN?

The integrated connectivity includes CANbus, I2C, LINbus, SPI, and UART/USART.

Category	Microcontrollers
Manufacturer Name	Microchip Technology
Connectivity	CANbus, I2C, LINbus, SPI, UART/USART
Core Processor	ARM Cortex-M0+
Core Size	32-Bit Single-Core
Data Converters	A/D 20x12b, 3x16b; D/A 1x10b
Mounting Type	Surface Mount
Number of I	84
Operating Temperature	-40°C ~ 105°C (TA)
Oscillator Type	Internal
Peripherals	Brown-out Detect/Reset, DMA, POR, WDT
Program Memory Size	256KB (256K x 8)
Program Memory Type	FLASH
RAM Size	32K x 8
Speed	48MHz
Supplier Device Package	100-TQFP (14x14)
Voltage	2.7V ~ 5.5V