ATSAMD21G15A-AUT

Series:	SAM D21G
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
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:	38
Program Memory Size:	32KB (32K x 8)
Program Memory Type:	FLASH
EEPROM Size:	--
RAM Size:	4K x 8
Voltage - Supply (Vcc/Vdd):	1.62 V ~ 3.6 V
Data Converters:	A/D 14x12b, D/A 1x10b
Oscillator Type:	Internal
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	48-TQFP
Supplier Device Package:	48-TQFP (7x7)

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Introduction

The ATSAMD21G15A-AUT is an advanced 32-bit microcontroller designed and manufactured by Atmel, a major market player in the embedded systems industry. This product is part of the ATSAMD series and comes with a modified instruction set including 16KB of flash, 8KB of RAM and various peripherals. The ATSAMD21G15A-AUT offers many solutions for low-power applications, such as low-power sleep mode to enable the device for extended battery life. The device can also operate in ‘Power Down’ mode to further extend battery life.

Application Fields

The ATSAMD21G15A-AUT application field includes industrial, medical and consumer products. More specifically, it\'s used in applications requiring low-power solutions such as portable and wearable gadgets, environmental sensing and control, asset tracking and monitoring, data acquisition, haptic feedback systems, Battery Management Systems (BMS), etc.The ATSAM21G15A- AUT has found applications in various industrial sectors, such as automotive, telecommunications, factory automation and many more. With its broad range of features, it is ideal for industrial applications due to its high speed communication interface and its ability to integrate with other components.It is also used in medical applications such as medical imaging, diagnostics and patient monitoring, as well as consumer applications such as home automation and mobile devices.

Working Principle

The ATSAMD21G15A-AUT microcontroller is built around the Cortex-M0+ core and features an ARM Cortex-M0+ processor. The Cortex-M0+ core is based on the ARMv6-M architecture and runs at a maximum frequency of 48MHz. It consists of 16KB of flash memory, 8KB of RAM and a variety of peripherals, including USART, I2C, SPI, GPIO, DMA, and PWM. The ATSAMD21G15A-AUT includes a variety of features, such as low-power sleep mode, low-power run mode, fast wake-up time, real-time-clock (RTC), interrupt-driven communication interface and an improved SPI Interface. These features make it ideal for low-power applications. The device also has an integrated direct-memory-access controller (DMAC), which helps in transfer of data between external peripherals and code memory or RAM. This helps to reduce the overhead of interrupt handling routines during communication. In addition, the ATSAMD21G15A-AUT includes several peripheral interfaces for communications with external components such as USART, I2C, SPI, GPIO, PWM and DMA. These interfaces allow the device to be connected to external devices, such as sensors, controllers, and displays.The device has two power modes, active and sleep mode. In active mode, the device can run at a maximum frequency of 48MHz and in sleep mode, the device can run at a maximum frequency of 32kHz. It also has various sleep modes, such as SLEEP, STANDBY and HALT, each with its own power-saving benefits.The device uses the Atmel Studio integrated development environment (IDE) to support development and debugging. The device also supports an Atmel self-programmable bootloader, allowing applications to be loaded directly into the device. Finally, the device is specified over an industrial temperature range of -40°C to +85°C, making it suitable for a variety of industrial applications.

Conclusion

The ATSAM21G15A-AUT is a powerful and versatile microcontroller for industrial, medical and consumer applications. It features an ARM Cortex-M0+ core, 16KB of flash memory, 8KB of RAM, peripheral interfaces and a variety of power saving features. Additionally, it is supported by Atmel Studio development environment and an Atmel self-programmable bootloader for easy application development and debugging. With its low power requirements and extended temperature range, the ATSAM21G15A-AUT is perfect for low-power applications, such as portable and wearable devices, environmental sensing and control, asset tracking and monitoring, data acquisition, haptic feedback systems, Battery Management Systems (BMS), etc.

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