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The ATSAMC21J18A-ANT is a high-performance, low-power 32-bit microcontroller from Microchip, based on the ARM® Cortex®-M0+ core. It is designed for applications requiring robust communication, analog features, and 5V operation—ideal for industrial control, automotive systems, and connected devices.

Key Specifications

Core: ARM Cortex-M0+, up to 48 MHz

Flash Memory: 256 KB

SRAM: 32 KB

Operating Voltage: 2.7V to 5.5V

Operating Temperature: -40°C to +105°C

I/O Pins: 52

Package: 64-pin TQFP (10 × 10 mm)

Packaging: Tape & Reel (ANT suffix)

Features

Communication Interfaces:

CAN FD

LIN

UART/USART

SPI

I²C

Analog Capabilities:

20-channel 12-bit ADC

3-channel 16-bit ADC

1-channel 10-bit DAC

Timers and Peripherals:

DMA Controller

Watchdog Timer (WDT)

Power-On Reset (POR)

Brown-Out Detection (BOD)

Safety and Reliability:

Designed for functional safety and robust performance in industrial and automotive environments

Development Tools Support:

MPLAB X IDE

MPLAB Code Configurator

MPLAB Xpress IDE

VS Code Extension

This MCU is well-suited for industrial automation, home appliances, automotive networking, and smart energy systems.

For more information, visit Microchip’s official product page.