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ATSAMD21G18A-MU

Name: ATSAMD21G18A-MU
Rating: 4.7 (12 reviews)

IC MCU 32BIT 256KB FLASH 48QFN

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包 VQFN-48
資料表 ATSAMD21G18A-MU DataSheet
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規格

Package	Bulk
Series	SAM D21G, Functional Safety (FuSa)
ProductStatus	Active
CoreProcessor	ARM® Cortex®-M0+
CoreSize	32-Bit Single-Core
Speed	48MHz
Connectivity	I²C, LINbus, SPI, UART/USART, USB
Peripherals	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
NumberofI/O	38
ProgramMemorySize	256KB (256K x 8)
ProgramMemoryType	FLASH
RAMSize	32K x 8
Voltage-Supply(Vcc/Vdd)	1.62V ~ 3.6V
DataConverters	A/D 14x12b; D/A 1x10b
OscillatorType	Internal
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	48-VFQFN Exposed Pad

概述

Description

The ATSAMD21G18A-MU is a microcontroller from Microchip Technology's SAM D21 series, based on the ARM Cortex-M0+ architecture. It features a 32-bit RISC core operating at up to 48 MHz, with 256 KB of Flash memory and 32 KB of SRAM. This microcontroller is designed for low-power applications, making it suitable for battery-operated devices.
Key features include a rich set of peripherals such as I2C, SPI, USART, ADC, and PWM, enabling versatile connectivity and control options. The ATSAMD21G18A-MU supports various operating voltages (1.62V to 3.63V) and comes in a compact 48-pin QFN package, facilitating integration into space-constrained designs.
Additionally, it supports advanced features like configurable digital interfaces and sleep modes to optimize power consumption. The device is ideal for a range of applications, including IoT devices, wearable technology, and industrial automation, offering a balance of performance and efficiency for developers seeking to create innovative solutions.

Features

The ATSAMD21G18A-MU is a microcontroller from Microchip's SAM D21 series, based on the ARM Cortex-M0+ architecture. Key features include:
1. Core: ARM Cortex-M0+ running at up to 48 MHz.
2. Flash Memory: 256 KB of flash memory for program storage.
3. SRAM: 32 KB of SRAM for data handling.
4. I/O Ports: 38 programmable I/O pins.
5. ADC: 12-bit Analog-to-Digital Converter (ADC) with up to 20 channels.
6. Communication Interfaces: Supports I2C, SPI, USART, and USB.
7. Timers: Multiple 16-bit timers and a Real-Time Counter (RTC).
8. Low Power Modes: Various low-power modes for energy-efficient applications.
9. Peripheral Touch Controller: Capacitive touch support for user interfaces.
10. Operating Voltage: 1.62V to 3.63V for versatile power supply options.
These features make the ATSAMD21G18A-MU suitable for a range of applications, including IoT, consumer electronics, and embedded systems.

Package

The ATSAMD21G18A-MU is available in a 48-pin VQFN (Very Thin Quad Flat No-lead) package type. This compact package provides a small footprint ideal for space-constrained applications.

Pinout

The ATSAMD21G18A-MU is a microcontroller from Microchip’s SAM D21 family, featuring a total of 48 pins in a UQFN package. It has 32 GPIO pins that can be configured for various functions including digital I/O, analog inputs (ADC), PWM outputs, and communication interfaces such as I2C, SPI, and UART.
Key features include:
- 32KB Flash memory
- 4KB SRAM
- 12-bit ADC (up to 16 channels)
- Various timers and PWM capabilities
- Built-in support for sleep modes to reduce power consumption
The pinout supports multiple peripheral functions, allowing for flexible application design, making the ATSAMD21G18A-MU suitable for various embedded applications.

Manufacturer

The ATSAMD21G18A-MU is manufactured by Microchip Technology Inc., a leading provider of embedded control solutions. Microchip is known for its development and production of microcontrollers, analog semiconductors, and memory products, serving a wide range of industries including automotive, industrial, consumer, and communications. The company focuses on providing a diverse portfolio of technology, including both hardware and software solutions, to support developers in creating efficient and innovative applications. Founded in 1989, Microchip has established a strong reputation for quality and reliability in the semiconductor industry.

Application

The ATSAMD21G18A-MU is a low-power microcontroller ideal for applications in IoT devices, wearables, sensor networks, and home automation. It is used in automotive systems, medical devices, and industrial controls. Its features, including a 32-bit ARM Cortex-M0+ core, built-in peripherals, and low-power modes, make it suitable for battery-operated applications and real-time data processing tasks.

Equivalent

The ATSAMD21G18A-MU chip is part of Microchip's SAM D21 series. Equivalent products include other SAM D21 variants like ATSAMD21G15A, ATSAMD21G17A, and ATSAMD21E18A, which differ in flash memory size, RAM, and peripheral features. Additionally, other microcontrollers in the ARM Cortex-M0 family from manufacturers like STMicroelectronics (STM32 series) or NXP (LPC series) may be considered depending on specific application needs and compatibility.