ATSAMD21E18A-MU

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ATSAMD21E18A-MU

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IC MCU 32BIT 256KB FLASH 32QFN

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Thông số kỹ thuật

thuộc tính Giá trị
Series SAM D21E, Functional Safety (FuSa)
Part Status Active
Base Product Number ATSAMD21
Digi Key Programmable Not Verified
Core Processor ARM® Cortex®-M0+
Core Size 32-Bit
Speed 48MHz
Connectivity I2C, LINbus, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Number of I/O 26
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 10x12b; D/A 1x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Supplier Device Package 32-VQFN (5x5)
Package / Case 32-VFQFN Exposed Pad
Packaging Tray

Tổng quan

Description

The ATSAMD21E18A-MU is a 32-bit ARM Cortex-M0+ microcontroller from Microchip's SAM D21 series. Key features:
- Core: 48 MHz Cortex-M0+ with 256 KB Flash, 32 KB SRAM.
- Peripherals: USB, 12-bit ADC, DAC, SERCOM (UART/SPI/I2C), timers, PWM.
- Packaging: 32-pin QFN (5x5 mm), suitable for compact designs.
- Low Power: Sleep modes down to <3 µA.
- Applications: IoT, consumer electronics, embedded control.
It’s Arduino-compatible (via Arduino Core) and supports Atmel Studio/Microchip MPLAB for development. Ideal for cost-sensitive, low-power embedded projects.

Equivalent

Equivalent products to the ATSAMD21E18A-MU include:
- ATSAMD21E17A-MU (less flash/RAM)
- ATSAMD21E16A-MU (lower specs)
- ATSAMD21G18A-MU (larger package, more I/O)
- STM32L0 series (e.g., STM32L072CZ) from STMicroelectronics
- EFM32HG series (e.g., EFM32HG322F64) from Silicon Labs
- PIC24FJ256GA406 from Microchip
These offer similar ARM Cortex-M0+ cores and peripherals. Check pin compatibility and specs for exact replacements.

Pinout

The ATSAMD21E18A-MU is a 32-bit ARM Cortex-M0+ microcontroller in a 32-pin QFN (5x5mm) package. Key functions include:
- 32KB Flash, 4KB SRAM
- 48MHz max clock speed
- Peripherals:
- 12-channel 12-bit ADC
- 10-bit DAC
- 16-bit PWM (TCC)
- SERCOM (UART/SPI/I2C)
- USB 2.0 (Full-Speed)
- 22 GPIO pins
- Low-power modes (Sleep, Standby, Idle)
Ideal for embedded applications requiring USB, analog, and low-power operation.

Manufacturer

The ATSAMD21E18A-MU is manufactured by Microchip Technology, a leading American semiconductor company known for its microcontrollers, analog, and mixed-signal integrated circuits. Microchip is a major player in the embedded control industry, providing solutions for a wide range of applications, including automotive, industrial, consumer, and IoT.
The ATSAMD21E18A-MU is part of Microchip’s SAM D21 family, a series of low-power, high-performance ARM Cortex-M0+ based microcontrollers. The company is recognized for its reliable and versatile semiconductor products, often used in embedded systems.

Application

The ATSAMD21E18A-MU is a versatile ARM Cortex-M0+ microcontroller from Microchip. Key application areas include:
- IoT Devices: Sensor nodes, wearables, and smart home gadgets.
- Consumer Electronics: Keyboards, toys, and small appliances.
- Industrial Control: Automation, motor control, and monitoring systems.
- Embedded Systems: Low-power, compact designs like data loggers.
- HMI & Touch Interfaces: Capacitive touch controls and displays.
Its 32-bit processing, low power, and rich peripherals (USB, ADC, DAC) make it ideal for cost-sensitive, space-constrained applications.

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