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ATSAMC21N18A-AN

Name: ATSAMC21N18A-AN
Rating: 4.7 (12 reviews)

IC MCU 32BIT 256KB FLASH 100TQFP

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データシート ATSAMC21N18A-AN DataSheet
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仕様

Series	SAM C21, Functional Safety (FuSa)
Part Status	Active
DigiKey Programmable	Not Verified
Core Processor	ARM® Cortex®-M0+
Core Size	32-Bit Single-Core
Speed	48MHz
Connectivity	CANbus, I2C, LINbus, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, DMA, POR, WDT
Number of I/O	84
Program Memory Size	256KB (256K x 8)
Program Memory Type	FLASH
RAM Size	32K x 8
Voltage - Supply (Vcc/Vdd)	2.7V ~ 5.5V
Data Converters	A/D 20x12b, 3x16b; D/A 1x10b
Oscillator Type	Internal
Operating Temperature	-40°C ~ 105°C (TA)
Mounting Type	Surface Mount
Supplier Device Package	100-TQFP (14x14)
Package / Case	100-TQFP
Base Product Number	ATSAMC21

概要

Description

The ATSAMC21N18A is a microcontroller from Microchip's SAM C21 family, based on the ARM Cortex-M0+ architecture. It features 32-bit processing capabilities, making it suitable for low-power and cost-sensitive applications. The device operates at a frequency of up to 48 MHz and includes up to 256 KB of Flash memory and 32 KB of SRAM.
Key features include a range of peripheral interfaces such as I2C, SPI, UART, and GPIO, along with support for advanced features like a 12-bit ADC, PWM timers, and various low-power modes. This microcontroller is ideal for applications such as IoT devices, wearable technology, and various industrial automation systems.
Its small package options (e.g., QFN and TQFP) allow for compact designs, and it operates in a wide temperature range, making it suitable for diverse environments. The ATSAMC21N18A also includes built-in security features to protect sensitive data, making it a robust choice for modern embedded systems.

Features

The ATSAMC21N18A-AN is a microcontroller from Microchip's SAM C21 series, featuring the following key specifications:
1. Architecture: ARM Cortex-M0+ core, 32-bit RISC architecture.
2. Performance: Operates at up to 48 MHz, providing efficient processing power.
3. Flash Memory: 256 KB of flash memory for code storage.
4. RAM: 32 KB of SRAM for variable storage.
5. I/O Pins: Up to 38 GPIO pins, configurable for various functions.
6. Peripheral Support: Includes ADC, DAC, USART, I2C, SPI, and PWM modules for versatile interfacing.
7. Low Power: Supports various low-power modes, making it suitable for battery-operated applications.
8. Operating Voltage: 1.62V to 3.63V supply voltage range.
9. Temperature Range: Industrial temperature range -40°C to 85°C.
10. Development Support: Compatible with Microchip's development tools, including MPLAB X IDE and Atmel Studio.
This microcontroller is ideal for IoT applications, sensor interfacing, and low-power designs.

Package

The ATSAMC21N18A-AN is available in a 32-pin QFN (Quad Flat No-lead) package. This compact package type is designed for efficient thermal performance and space-saving in embedded applications.

Pinout

The ATSAMC21N18A-AN is a 32-bit microcontroller from Microchip's SAM C series. It features a total of 48 pins.
The functions of these pins include:
1. Power Supply: VDD and VSS pins for power and ground.
2. Digital I/O: Multiple pins configured as general-purpose input/output (GPIO).
3. Analog Functions: Pins for ADC (Analog-to-Digital Converter) inputs and DAC (Digital-to-Analog Converter) outputs.
4. Communication Interfaces: UART, SPI, and I2C interfaces for serial communication.
5. Timer/Counters: Pins for PWM (Pulse Width Modulation) outputs and timer functions.
6. Reset and Interrupts: Dedicated pins for reset and external interrupts.
7. Debugging: Pins for debugging and programming interfaces.
The microcontroller is suitable for low-power applications and is commonly used in embedded systems.

Manufacturer

The ATSAMC21N18A-AN is manufactured by Microchip Technology Inc., a leading American semiconductor company. Microchip specializes in designing and manufacturing microcontrollers, microprocessors, and a variety of other embedded control solutions. Founded in 1989, the company is known for its focus on developing innovative and cost-effective solutions for a wide range of applications, including automotive, industrial, consumer, and medical sectors. Microchip provides a comprehensive ecosystem of development tools, software, and support to facilitate the design and development of embedded systems. Its commitment to quality and customer support has established it as a trusted partner in the electronics industry.

Application

The ATSAMC21N18A-AN is a microcontroller primarily used in applications such as IoT devices, wearable technology, industrial automation, sensor networks, and home automation. Its low power consumption and integrated peripherals make it suitable for battery-operated devices, smart sensors, and remote monitoring systems. Additionally, it is utilized in consumer electronics and medical devices, enabling efficient data processing and connectivity.

Equivalent

Equivalent products to the ATSAMC21N18A-AN include other microcontrollers in the ATSAMC21 series, such as ATSAMC21J18A and ATSAMC21G18A, which offer similar features and architectures. Additionally, other ARM Cortex-M0+ based microcontrollers from different manufacturers, like the NXP LPC11U68 or STMicroelectronics STM32F0 series, may serve as alternatives depending on specific requirements such as I/O, memory, and peripherals. Always verify compatibility for your application.