The ATSAMD20J14B-AU is a low-power microcontroller unit (MCU) from Microchip Technology. It is part of the SAM D20 family of ARM Cortex-M0+ based MCUs. The device is available in a 48-ball QFN package and operates over a wide voltage range of 1.8V to 3.6V.
Key Features:
- Core: The ATSAMD20J14B-AU features a 32-bit ARM Cortex-M0+ CPU with a maximum CPU frequency of 48 MHz.
- Memory: The device provides 256KB of flash memory, 32KB of SRAM, and 4KB of read-while-write memory.
- Peripherals: The MCU includes a variety of peripherals such as 20-channel capable touch-sense controller, 12-channel DMA controller, 12-channel ultra-low power analog-to-digital converter (ADC), 8-channel digital-to-digital converter (DAC), and more.
- Connectivity: The ATSAMD20J14B-AU offers multiple communication interfaces, including Serial Peripheral Interface (SPI), Inter-Integrated Circuit (I2C), Universal Asynchronous Receiver/Transmitter (UART), and Universal Serial Bus (USB).
- Security: The device features an ARM TrustZone CryptoCell-310 cryptographic module for secure data processing and storage.
Applications:
- Industrial Automation: The ATSAMD20J14B-AU can be used in industrial control systems, where low power consumption and reliable performance are crucial.
- Medical Devices: The MCU's low power consumption and security features make it suitable for use in medical devices, such as wearable health monitors and portable diagnostic equipment.
- IoT Devices: The ATSAMD20J14B-AU is well-suited for Internet of Things (IoT) applications, including smart home devices, sensors, and gateways.
- Portable Devices: The MCU's low power consumption and small form factor make it an ideal choice for portable electronics, such as fitness trackers, smart watches, and portable gaming devices.
- Automotive Applications: The ATSAMD20J14B-AU can be used in automotive applications, such as infotainment systems, body control modules, and advanced driver-assistance systems (ADAS).
In summary, the ATSAMD20J14B-AU is a versatile, low-power MCU with a wide range of features and applications. Its combination of processing power, memory, peripherals, and security features make it suitable for a variety of applications, from industrial automation to portable devices and IoT applications.