ATSAMC21J15A-ANT

Overview

The ATSAMC21J15A-ANT is an ARM microcontroller from the Microchip ATSAMC21 series, featuring an ARM Cortex-M0+ core. It operates at a maximum clock frequency of 48 MHz and includes 32 kB of program memory and 4 kB of data RAM. The device provides 52 I/O pins and supports a supply voltage range of 2.7 V to 5.5 V. It integrates two 12-bit ADCs with 20 channels, a 10-bit DAC, and five timer/counters. Interfaces include I2C, LIN, PMBus, Serial, SPI, and USART. It is qualified under AEC-Q100 standards and functions within a temperature range of -40°C to +105°C in a TQFP-64 package.

Feature Summary

• Automotive-grade reliability certified by AEC-Q100 qualification for industrial and commercial applications.
• Integrated Peripheral Touch Control (PTC) module designed for robust user interface development.
• Advanced motor control peripherals support precise motion management tasks.
• SERCOM modules provide flexible communication capabilities across multiple protocol standards.

Applications

• Industrial automation systems requiring reliable MCU performance.
• Commercial devices operating in electrically noisy environments.
• Motor control applications utilizing integrated peripheral features.
• User interface implementations leveraging touch control capabilities.

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm package integrity upon receipt as the unit is moisture sensitive. Ensure storage conditions comply with humidity sensitivity guidelines before soldering. Cross-reference datasheet specifications against project requirements to validate compatibility with existing system architectures and power constraints.

Selection Notes

Select this model when automotive qualification is mandatory alongside specific pin counts. The 32 kB memory size suits compact firmware deployments. Verify that the 48 MHz speed meets processing demands. Consider the TQFP-64 footprint for PCB layout constraints. Evaluate if the 52 I/O count aligns with peripheral connectivity needs without requiring external multiplexing solutions.

Part Context

This component belongs to the ATSAMC21 family of 5V Cortex-M0+ microcontrollers. The J-series designation indicates specific memory and I/O configurations within the lineup. These devices are engineered for durability in challenging operational settings. The ANT suffix denotes the specific temperature grade and packaging variant offered by the manufacturer.

FAQ

What is the maximum operating temperature for this microcontroller?

The maximum operating temperature is +105°C, supporting extended industrial environments.

Does this device support automotive standards?

Yes, it is qualified according to the AEC-Q100 standard for automotive electronics.

How many analog-to-digital converter channels are available?

The device features two 12-bit ADCs providing a total of 20 input channels.