ATSAMC21E17A-ANT

Overview

The ATSAMC21E17A-ANT is an ARM microcontroller from the Microchip ATSAMC21 series, featuring an ARM Cortex-M0+ core. It provides 128 kB of program memory and 16 kB of SRAM data RAM within a TQFP-48 package. The device supports a maximum clock frequency of 48 MHz and operates with a supply voltage range of 2.7 V to 5.5 V. It includes 38 I/O lines, a 12-bit ADC with 14 channels, and a 10-bit DAC. The component is qualified under AEC-Q100 standards and functions within a temperature range of -40°C to +105°C.

Feature Summary

• Equipped with an ARM Cortex-M0+ processor core for efficient code execution.
• Includes robust communication peripherals supporting LIN, I2C, PMBus, SPI, and USART interfaces.
• Features advanced analog capabilities with a 12-bit ADC and 10-bit DAC.
• Designed for industrial environments with extended temperature rating and automotive qualification.

Applications

• Industrial control systems requiring robust communication protocols
• Automotive electronics applications meeting AEC-Q100 standards
• Commercial devices operating in noisy environments
• Motor control applications utilizing peripheral touch control

Procurement Notes

Verify the specific suffix ANT corresponds to the TQFP-48 package and 105°C temperature grade when sourcing. Confirm AEC-Q100 qualification status for automotive-grade requirements. Ensure compatibility with 5V logic levels given the specified operating voltage range. Check for moisture sensitivity labeling as indicated in official documentation.

Selection Notes

Select this model for designs requiring a balance of processing power and peripheral richness in a compact 48-pin form factor. The 128 kB flash and 16 kB RAM suit moderate complexity firmware tasks. Consider the 105°C operating limit for high-temperature industrial enclosures. Verify pinout compatibility if replacing similar SAM C21 variants with different I/O counts.

Part Context

This component belongs to the Microchip ATSAMC21 family of 5V Cortex-M0+ microcontrollers. These devices are engineered for industrial and commercial applications in electrically noisy environments. The family emphasizes robust communications via SERCOM modules and CAN FD support, alongside advanced motor control features.

FAQ

What is the maximum operating temperature for the ATSAMC21E17A-ANT?

The maximum operating temperature is +105°C, as indicated by the 'ANT' suffix designation.

Does this microcontroller support automotive applications?

Yes, the device is AEC-Q100 qualified, making it suitable for automotive electronic systems.

How many analog input channels are available on this MCU?

The ATSAMC21E17A-ANT provides 14 channels for its 12-bit Analog-to-Digital Converter (ADC).