ATSAML21G18B-AUT

Program Memory Type:	FLASH
Base Part Number:	ATSAML21G18
Supplier Device Package:	48-TQFP (7x7)
Package / Case:	48-TQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 14x12b, D/A 2x12b
Voltage - Supply (Vcc/Vdd):	1.62 V ~ 3.63 V
RAM Size:	32K x 8
EEPROM Size:	--
Series:	SAM L21G
Program Memory Size:	256KB (256K x 8)
Number of I/O:	37
Peripherals:	DMA, POR, PWM, WDT
Connectivity:	I²C, LINbus, SCI, SPI, UART/USART, USB
Speed:	48MHz
Core Size:	32-Bit
Core Processor:	ARM® Cortex®-M0+
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Application Field

The ATSAML21G18B-AUT is a 32-bit low power microcontroller integrated with secure hardware encryption accelerator. It has a wide range of applications, especially in the Internet of Things (IoT). It can be used in robotic arms, drones, 3D printers, as well as consumer electronics and home appliances.Also, its low power consumption and secure hardware encryption make it an ideal choice for connected embedded systems in different industries such as automotive and healthcare. Moreover, it provides secure reliable connectivity to cloud-based services, thus making it suitable for building infrastructure, point of sale systems and payment terminals.

Working Principle

The ATSAML21G18B-AUT features dual core ARM Cortex-M0+ and ARM Cortex-M4 processor core complex. This dual core processor core organization allows for secure operation and multitasking. The Cortex-M0+ core performs non-secure applications, while the Cortex-M4 core is used for secure operations. It has a wide range of peripherals including 12bit DAC, USB 2.0 host, and an integrated security module. These features make it suitable for embedded applications that have stringent security requirements.The secure hardware encryption accelerator integrated in the ATSAML21G18B-AUT has advanced cryptographic algorithms such as advanced encryption standard (AES), secure hash algorithm (SHA) and other elliptic curve cryptographic techniques. These cryptographic techniques provide robust and advanced cryptographic techniques to secure the embedded applications.Additionally, ATSAML21G18B-AUT supports a wide range of communication solutions such as LWIP and IoTConnect, making it capable of facilitating the secure transfer of data between connected devices.The ATSAML21G18B-AUT device also supports integrated development environment (IDE) such as Atmel Studio and third-party toolchains such as ARM Keil MDK and IAR Embedded Workbench. Thus enabling developers to create and debug applications for various embedded applications.

Conclusion

The ATSAML21G18B-AUT is a powerful microcontroller that can be used in a variety of embedded applications due to its low power consumption, secure features and wide range of communication solutions. It also features a secure hardware encryption accelerator, which can help protect connected devices from cyber attacks. Furthermore, its support for IDEs and third-party toolchains makes it an ideal choice for embedded applications.

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