ATSAMC21J15A-MNT

Overview

The ATSAMC21J15A-MNT is a Microchip Technology ARM microcontroller within the SAM C21 series, featuring an ARM Cortex-M0+ core. It provides 32 kB of program memory and 4 kB of SRAM data RAM. The device operates with a maximum clock frequency of 48 MHz and supports a supply voltage range from 2.7 V to 5.5 V. It includes two 12-bit ADCs with 20 channels and a 10-bit DAC. The component offers 52 I/O pins and interfaces such as I2C, LIN, PMBus, Serial, SPI, and USART. It is housed in a 64-QFN package and is qualified for AEC-Q100 standards, operating between -40°C and +105°C.

Feature Summary

• Equipped with an ARM Cortex-M0+ processor core for efficient code execution.
• Includes robust communication peripherals supporting multiple serial interface protocols.
• Features analog-to-digital conversion capabilities with dual 12-bit resolution.
• Designed for industrial environments with extended temperature range operation.

Applications

• Industrial control systems requiring reliable MCU performance
• Commercial applications utilizing robust communication interfaces
• Motor control applications leveraging advanced peripheral support

Procurement Notes

Verify the specific suffix MNT corresponds to the 64-QFN package and tape-and-reel delivery format. Confirm that the AEC-Q100 qualification meets automotive or industrial reliability requirements. Ensure the 105°C maximum operating temperature aligns with thermal design constraints. Check for RoHS compliance status before finalizing procurement specifications.

Selection Notes

Select this part when 32 kB flash and 4 kB RAM are sufficient for application logic. Choose the 64-QFN package for compact surface-mount designs. Consider the 48 MHz speed limit for timing-critical tasks. Verify that the 2.7 V to 5.5 V voltage range matches the system power supply architecture.

Part Context

This component belongs to the Microchip SAM C21 family of 5V Cortex-M0+ devices. These MCUs are designed for industrial and commercial applications in noisy environments. The family emphasizes robust communications peripherals and advanced motor control features. The ATSAMC21J15A variant specifically offers lower memory capacity compared to higher-end models in the same series.

FAQ

What is the maximum operating temperature for the ATSAMC21J15A-MNT?

The maximum operating temperature is +105°C.

Does the ATSAMC21J15A-MNT support CAN FD communication?

No, the ATSAMC21J15A-MNT does not include CAN FD; it supports I2C, LIN, PMBus, Serial, SPI, and USART.

How many ADC channels are available on this microcontroller?

There are 20 ADC channels available with dual 12-bit resolution.