ATSAMC21E17A-MUT

Overview

The ATSAMC21E17A-MUT is a 32-bit RISC microcontroller based on the ARM Cortex-M0+ core, manufactured by Microchip Technology. It features 128 kB of program memory and 16 kB of SRAM data memory. 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 dual 12-bit ADCs with 10 channels, a 10-bit DAC, and five timer/counters. Connectivity is provided via I2C, LIN, PMBus, Serial, SPI, and USART interfaces. The component is housed in a VQFN-32 package and is qualified under AEC-Q100 standards for automotive applications.

Feature Summary

• Dual 12-bit analog-to-digital converters enable high-resolution signal acquisition for sensor interfacing.
• Integrated Peripheral Touch Control (PTC) facilitates robust capacitive touch user interface development.
• Robust communication peripherals including SERCOM modules support flexible serial data exchange protocols.
• Automotive qualification ensures reliability for operation in electrically noisy industrial environments.

Applications

• Industrial control systems requiring reliable serial communication
• Automotive electronics compliant with AEC-Q100 standards
• Consumer devices utilizing capacitive touch interfaces
• Motor control applications leveraging advanced peripheral features

Procurement Notes

Verify the specific suffix 'MUT' corresponds to the VQFN-32 package and tape-and-reel delivery format as documented in official Microchip datasheets. Confirm that the AEC-Q100 qualification status meets project requirements for automotive or industrial deployment. Ensure compatibility with the 2.7 V to 5.5 V operating voltage range during system power design.

Selection Notes

Select this component when a balance of moderate memory capacity and automotive-grade reliability is required. The dual ADC configuration distinguishes it from single-ADC variants within the SAM C21 family. Consider the VQFN-32 footprint constraints against available PCB real estate. Evaluate the 48 MHz processing speed against application latency requirements compared to higher-frequency Cortex-M4 alternatives.

Part Context

This part belongs to the Microchip ATSAM C21 series of 5V ARM Cortex-M0+ microcontrollers. The series is engineered for commercial and industrial applications in noisy environments. It shares architectural similarities with other SAM C21 models but differs in memory size, package type, and peripheral count. The E17A designation indicates specific memory and pinout configurations within the E-series subset.

Replacement Considerations

Cross-reference with ATSAMC21E17A-AU for TQFP-32 packaging or ATSAMC21E17A-MU for alternative VQFN variations. Verify pin compatibility and memory specifications before substitution. Consult Microchip documentation for detailed pin-to-pin replacement guidelines and electrical parameter tolerances.

FAQ

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

The device is rated for an extended industrial temperature range, with a maximum operating temperature of +85°C.

Does this microcontroller support CAN FD communication?

Official specifications for the ATSAMC21E17A-MUT list I2C, LIN, PMBus, Serial, SPI, and USART interfaces. CAN FD support is not explicitly confirmed for this specific part number in the provided documentation.

How many analog input channels are available?

The device features dual 12-bit ADCs providing a total of 10 analog input channels.