Microchip 32 bit ARM Cortex M0+ ATSAMD21J18A-AU Microcontroller, 48 MHz, 256kB FLASH, 64-Pin TQFP ATSAMD21J18A-AU

Microchip ATSAMD21J18A-AU is a high-performance 32-bit microcontroller based on the ARM Cortex M0+ core architecture designed for a wide range of embedded applications. Operating at a maximum clock frequency of 48 MHz, this device integrates 256kB of ISP FLASH program memory and 32kB of SRAM for efficient code and data processing.

Encased in a surface mount 64-Pin Thin Quad Flat Package (TQFP), it features 52 programmable input/output pins, allowing complex peripheral interfacing. The microcontroller supports a supply voltage ranging from 1.62V to 3.6V, enabling low power operation suitable for battery-powered designs.

The device includes advanced features such as a 12-channel Direct Memory Access Controller (DMAC), one 10-bit Digital-to-Analog Converter (DAC), twenty 12-bit Analog-to-Digital Converter (ADC) channels, and two analog comparators. It also offers multiple timers, including two 16-bit timers and three 24-bit timer/counters for control, as well as six serial communication modules (SERCOM) useful for SPI, I2C, and UART interfaces.

Designed with robust industrial and commercial use in mind, the ATSAMD21J18A-AU operates reliably within the temperature range of -40°C to 85°C. It complies with the AEC-Q100 automotive standard, making it suitable for automotive applications that demand high reliability. Additional features include PWM outputs, a watchdog timer, six distinct sleep modes for power saving, and programmable brown-out detection to safeguard device operation.

This microcontroller is ideal for embedded control systems, industrial automation, consumer appliances, home automation, and metering applications where efficient processing and low power consumption are required. Its comprehensive peripheral set and memory resources facilitate complex system development, enabling embedded designers to implement a variety of functionality on a single chip.

Features ARM Cortex M0+ core operating at up to 48 MHz speed. Includes 256kB ISP FLASH program memory and 32kB internal SRAM. Equipped with 52 programmable input/output lines for versatile interfacing. Operates between -40°C and 85°C for industrial and commercial applications.

Package type is 64-Pin TQFP suitable for surface mounting. Incorporates 12-channel direct memory access controller for efficient data handling. Provides one 10-bit DAC and twenty 12-bit ADC channels for analog signals processing.

Includes multiple timers and communication modules, enhancing control capabilities. Supports low voltage operation with supply voltage from 1.62V to 3.6V maximum. Utilizes FLASH type program memory with AEC-Q100 automotive standard certification.

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