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ATSAMD21J18A-MUT

Name: ATSAMD21J18A-MUT
Rating: 4.7 (12 reviews)

IC MCU 32BIT 256KB FLASH 64QFN

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資料表 ATSAMD21J18A-MUT DataSheet
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規格

Series	SAM D21J, Functional Safety (FuSa)
Part Status	Active
DigiKey Programmable	Not Verified
Core Processor	ARM® Cortex®-M0+
Core Size	32-Bit Single-Core
Speed	48MHz
Connectivity	I2C, LINbus, SPI, UART/USART, USB
Peripherals	Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Number of I/O	52
Program Memory Size	256KB (256K x 8)
Program Memory Type	FLASH
RAM Size	32K x 8
Voltage - Supply (Vcc/Vdd)	1.62V ~ 3.6V
Data Converters	A/D 20x12b; D/A 1x10b
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Supplier Device Package	64-QFN (9x9)
Package / Case	64-VFQFN Exposed Pad
Base Product Number	ATSAMD21

概述

Description

The ATSAMD21J18A-MUT is a microcontroller from Microchip Technology's SAM D21 series, based on the ARM Cortex-M0+ architecture. It features a 32-bit RISC core, running at speeds up to 48 MHz, with a 512 KB flash memory and 32 KB SRAM. This versatile MCU is designed for low-power applications, making it suitable for battery-operated devices.
Key features include multiple digital and analog interfaces such as I2C, SPI, USART, and PWM, as well as up to 20 GPIO pins. It supports various power management modes, allowing for energy-efficient operation. The device also incorporates a 12-bit ADC, a real-time clock (RTC), and a configurable watchdog timer, enhancing its functionality in embedded systems.
The ATSAMD21J18A-MUT is ideal for applications in IoT, consumer electronics, and industrial control due to its performance, flexibility, and low power consumption. It is often used in development with the Atmel Studio or the Arduino platform, providing a robust ecosystem for prototyping and development.

Features

The ATSAMD21J18A-MUT is a microcontroller from Microchip's SAM D21 family, based on the ARM Cortex-M0+ architecture. Key features include:
- Core: 32-bit ARM Cortex-M0+ processor with a maximum clock speed of 48 MHz.
- Flash Memory: 256 KB of Flash memory for program storage.
- SRAM: 32 KB of SRAM for data storage.
- EEPROM: 4 KB of emulated EEPROM.
- I/O Ports: Up to 38 programmable I/O pins.
- Peripheral Interfaces: Includes UART, SPI, I2C, and USB 2.0 Full Speed.
- ADC/DAC: 12-bit Analog-to-Digital Converter (ADC) with up to 20 channels; 10-bit Digital-to-Analog Converter (DAC).
- Timers: Multiple 16-bit and 32-bit timers for various applications.
- Low Power Modes: Designed for energy-efficient applications with various low power modes.
- Operating Voltage: 1.62V to 3.63V supply voltage range.
The ATSAMD21J18A-MUT is suitable for a wide range of applications, including IoT devices, wearables, and embedded systems.

Package

The ATSAMD21J18A-MUT is packaged in a 32-pin QFN (Quad Flat No-lead) package. This compact form factor is designed for space-constrained applications, providing excellent thermal performance and electrical characteristics.

Pinout

The ATSAMD21J18A-MUT is a microcontroller from Microchip's SAM D21 series. It features 48 pins, with a variety of functions including digital I/O, analog inputs, communication interfaces, and power management.
Key pin functions include:
- Digital I/O: Configurable as input or output for general-purpose use.
- Analog Inputs: Up to 12 ADC channels for analog signal processing.
- Communication Interfaces: Supports several protocols including I2C, SPI, and USART for interfacing with other devices.
- Timers/Counters: Multiple timer/counter options for generating PWM signals or measuring events.
- Reset and Power Pins: Includes pins for power supply and reset functionality.
The microcontroller is designed for low-power applications and is suitable for embedded systems in various fields such as IoT, consumer electronics, and industrial automation.

Manufacturer

The ATSAMD21J18A-MUT is manufactured by Microchip Technology Inc., a leading semiconductor company. Founded in 1989, Microchip specializes in microcontrollers, memory products, and analog semiconductors. The company primarily serves various industries, including automotive, industrial, and consumer electronics. Microchip is known for its innovative solutions and extensive product portfolio, which includes a range of microcontroller families, such as the SAM D series, featuring ARM Cortex-M cores.

Application

The ATSAMD21J18A-MUT microcontroller is widely used in applications such as Internet of Things (IoT) devices, wearable technology, sensor monitoring, smart home automation, and industrial automation. Its low power consumption and integrated features like ADC, PWM, and communication interfaces (I2C, SPI, UART) make it suitable for battery-operated devices and real-time control systems.

Equivalent

The ATSAMD21J18A-MUT, an ARM Cortex-M0+ microcontroller by Microchip, has equivalents such as the NXP LPC11Uxx series, STMicroelectronics STM32F0 series, and Silicon Labs EFM32 series. These alternatives also offer low power consumption, similar performance, and various peripheral options, making them suitable substitutes for applications requiring 32-bit microcontrollers. Always check specific features and compatibility for your project needs.