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The ATSAML21E17B-MU is an ultra-low power microcontroller (MCU) that adopts a 32-bit ARM® Cortex®-M0+ processor. The maximum operating frequency of this processor is 48MHz (2.46 CoreMark®/MHz), with up to 128KB of flash memory and 16KB of SRAM. This device has the following main specifications:

Core processor: ARM® Cortex®-M0+

Kernel specification: 32-bit single-core

Speed: 48MHz

Connection capabilities: I2C, LINbus, SCI, SPI, UART/USART, USB

Peripheral devices: DMA, POR, PWM, WDT

I/O number: 25

Program storage capacity: 128KB (128K x 8)

Program memory type: Flash memory

EEPROM capacity: -

RAM size: 16K x 8

Voltage-supply (Vcc/Vdd) : 1.62V to 3.63V

Data converter: A/D 10x12b D/A 2x12b

Oscillator type: Internal

Operating temperature: -40°C to 85°C (TA)

Installation type: Surface mount type

Device packaging: 32-VQFN (5x5)

The ATSAML21E17B-MU MCU adopts complex power management technologies (such as power domain gating, SleepWalking, ultra-low power peripheral devices, etc.) and can achieve extremely low current consumption. The highly configurable peripheral devices include a touch controller that supports a capacitive interface with proximity sensing functionality.

Application scenarios

The ATSAML21E17B-MU microcontroller is widely used in various low-power application scenarios, including:

Industrial Control ‌ : Thanks to its powerful processing capabilities and multiple interface support, it is suitable for a wide range of industrial automation and control systems.

Consumer electronics ‌ : for smart homes, portable devices and other products that require low power consumption and high integration.

Automotive electronics ‌ : widely used in automotive instrument panels, body control modules, etc.

Communication equipment ‌ : suitable for equipment that requires high-speed data processing and communication capabilities.

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.