Microchip ATSAMD51J20A-AU 32 bit ARM Cortex M4 Microcontroller, 120 MHz, 1MB FLASH, 64-Pin TQFP

Microchip ATSAMD51J20A-AU is a high-performance 32-bit ARM Cortex M4 microcontroller designed for general-purpose applications. It operates at a maximum clock speed of 120 MHz and includes 1MB of dual-panel flash memory with ECC for reliability. The device offers 256kB of SRAM with ECC, making it suitable for demanding embedded systems.

This microcontroller supports a variety of communication interfaces such as I2S, SPI, I2C, and USB with embedded Host/device functionality, enabling versatile connectivity options in embedded designs. It includes 51 programmable input/output pins, providing ample flexibility for interfacing with external components.

With 24 channels of 12-bit Analog-to-Digital Converters (ADCs) and 2 Digital-to-Analog Converters (DACs) of 12-bit resolution each, it supports precise analog signal processing. Additional features include 4 analog comparators, 3 timers, and a peripheral touch controller supporting up to 256 capacitive touch channels.

The microcontroller is housed in a compact 64-Pin Thin Quad Flat Package (TQFP) with dimensions 9mm by 9mm by 1mm, ideal for surface mount applications in space-constrained designs. It is designed to operate within industrial temperature ranges of -40°C to 85°C and supports automotive standards including AEC-Q100 and ISO/TS 16949, ensuring robustness suitable for automotive and industrial environments.

With low power consumption and multiple low power modes, the ATSAMD51J20A-AU allows efficient energy use in battery-powered and low power applications. The integrated Quad Serial Peripheral Interface (QSPI) with Execute in Place (XIP) support enhances system performance by enabling fast external memory access.

Operates at maximum 120 MHz clock speed for high-speed processing. Includes 1MB flash and 256kB SRAM with ECC for robust memory operations. Supports multiple serial interfaces: I2S, SPI, I2C, USB with embedded host/device.

Features rich analog peripherals: 24 ADC channels, 2 DACs, 4 comparators. Meets automotive and quality standards AEC-Q100 and ISO/TS 16949. 64-Pin TQFP surface mount package, 9mm x 9mm x 1mm size. Wide operating voltage from 2V to 3.6V and temperature range -40°C to 85°C.

Includes 51 programmable I/Os and 3 timers for versatile control.

This microcontroller is well suited for automotive, industrial, and high-performance embedded applications requiring reliable operation and rich peripheral integration. It enables developers to build efficient, robust, and connected systems with scalable memory and interface features.

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