ATSAMC21E15A-ANT

Overview

The ATSAMC21E15A-ANT is an ARM Cortex-M0+ microcontroller from the Microchip SAM C21 series, housed in a 32-pin TQFP package. It features 32 kB of Flash 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 of 2.7 V to 5.5 V. It includes two 12-bit ADCs with 10 channels and one 10-bit DAC. The component is qualified under AEC-Q100 standards for automotive applications and functions within a temperature range of -40°C to +105°C.

Feature Summary

• Automotive-grade reliability certified by AEC-Q100 qualification standards
• Integrated dual 12-bit analog-to-digital converters for precise signal acquisition
• Robust communication peripherals including CAN FD, LIN, I2C, SPI, and USART interfaces
• Advanced motor control capabilities supported by dedicated hardware timers

Applications

• Industrial motor control systems requiring robust noise immunity
• Automotive electronic control units (ECUs) meeting AEC-Q100 standards
• Smart metering devices utilizing high-resolution ADC inputs
• Consumer appliances with integrated user interface controls

Procurement Notes

Verify the specific suffix 'ANT' corresponds to the 32-TQFP package and industrial temperature range (-40°C to +105°C). Confirm that the AEC-Q100 qualification status is required for the target application. Ensure compatibility with 5V logic levels given the 2.7V to 5.5V operating voltage range. Check for moisture sensitivity labeling if reflow soldering processes are involved.

Selection Notes

Select this model when automotive qualification is mandatory alongside a compact 32-pin footprint. The combination of 32 kB Flash and 4 kB RAM suits moderate complexity firmware tasks. Dual 12-bit ADCs provide superior resolution compared to single-channel alternatives. The inclusion of CAN FD makes it suitable for networked automotive or industrial environments without external transceivers.

Part Context

This component belongs to the Microchip SAM C21 family, which targets industrial and commercial applications in noisy environments. The series emphasizes robust communications and advanced motor control features. It utilizes the ARM Cortex-M0+ core for efficient code execution at low power consumption levels.

FAQ

Does the ATSAMC21E15A-ANT support CAN FD?

Yes, the SAM C21 family integrates CAN FD (Controller Area Network Flexible Data-Rate) peripheral modules for high-speed communication.

What is the ADC configuration for this specific part?

The device features two independent 12-bit Analog-to-Digital Converters (ADCs) with a total of 10 available input channels.

Is this microcontroller suitable for harsh automotive environments?

Yes, it is AEC-Q100 qualified, ensuring reliability for automotive applications across the specified temperature range.