ATSAMD21J15A-AU

Connectivity:	I²C, LINbus, SPI, UART/USART, USB
Peripherals:	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number of I/O:	52
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 20x12b, D/A 1x10b
Oscillator Type:	Internal
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	64-TQFP
Supplier Device Package:	64-TQFP (10x10)
Series:	SAM D21J
Packaging:	Tray
Part Status:	Obsolete
Core Processor:	ARM® Cortex®-M0+
Core Size:	32-Bit
Speed:	48MHz

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<p>The ATSAMD21J15A-AU is an advanced microcontroller that combines a low-power ATSAMD21J15A Arm Cortex-M0+-based MCUwith an integrated LNA and ultra low-power BLE Silicon Labs EM90511 module. It offers remarkable performance, flexibility, integration, and cost-effectiveness, making it ideal for a wide range of connected embedded applications. The device is manufactured using the latest CMOS technology and utilizes the serial peripheral interface (SPI) and the digital frequency modulated (DFM) serial compatible communication protocol.</p><h2>Application Field</h2><p>The ATSAMD21J15A-AU is well-suited for many consumer and industrial applications such as wearables, medical monitoring, consumer electronics, home automation, and the Internet of Things (IoT) applications. The device provides the perfect balance of performance and functionality, enabling users to develop innovative design solutions with powerful features while minimizing size and consumer cost. In addition, the low-power capabilities and integrated cost-effective solutions make the ATSAMD21J15A-AU an ideal choice for aggressive real-time applications.</p><p>The ATSAMD21J15A-AU is also great for embedded designers looking to create fast and reliable applications with minimal design time and great low-power performance. It is ideal for applications that require both low-power functionality and high-speed performance, including audio, wireless, robotics, automotive, and industrial applications. The ARM Cortex-M0+ architecture allows the device to be easily integrated into a variety of applications, including embedded systems, automotive infotainment systems, connected devices, healthcare devices, and smart home applications.</p><h2>Working Principle</h2><p>The ATSAMD21J15A-AU is based on an ARM Cortex-M0+ processor with integrated LNA and ultra low-power BLE Silicon Labs EM90511 module. It runs at up to 48MHz and utilizes the ARM Cortex-M0+ instruction set. The Cortex-M0+ core features 32-bit instructions, allowing it to achieve higher performance than 8-bit or 16-bit processors. The device also features 128KB of Flash Memory and 8KB of RAM, as well as a wide range of peripherals, including I2C, SPI, UART, and GPIOs.</p><p>The ATSAMD21J15A-AU supports a wide variety of operating modes, allowing designers to choose their preferred configuration. For example, the chip can be set to run at low-power standby mode, as well as medium- and high-speed modes. The device’s low-power mode helps extend battery life and improves performance in battery-operated devices.</p><p>The ATSAMD21J15A-AU also supports a wide range of communication interfaces. It has built-in support for SPI, I2C, UART, and specially designed protocols such as DFM and DINOS. The device has a RTC, and can be used for wakeup and time-stamp functions. The ATSAMD21J15A-AU also supports security features, such as built-in AES-128 encryption, providing robust security and reliability.</p><p>Overall, the ATSAMD21J15A-AU is a highly integrated, feature-rich microcontroller that offers users a great balance of performance, flexibility, integration, and cost-effectiveness. With support for a wide range of operating modes and communication protocols, it is the perfect choice for a variety of connected embedded applications.</p>

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