ATSAMD21G15B-MUT

Overview

The ATSAMD21G15B-MUT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum frequency of 48MHz. It features 32KB of in-system programmable Flash memory and 4KB of SRAM. The device includes an internal oscillator and supports a supply voltage range of 1.62V to 3.6V. Connectivity options include I2C, LINbus, SPI, UART/USART, and USB interfaces. Peripheral functions encompass DMA, I2S, PWM, WDT, and power-on reset. The component is housed in a 48-QFN package with a temperature rating of -40°C to 85°C.

Feature Summary

• Integrates a 32-bit ARM Cortex-M0+ processor for efficient code execution.
• Provides advanced analog capabilities including multiple 12-bit ADC channels and a 10-bit DAC.
• Supports functional safety (FuSa) requirements within the SAM D21 family.
• Includes comprehensive peripheral sets such as DMA controllers and various communication interfaces.

Applications

• Industrial control systems requiring robust communication protocols
• Consumer electronics utilizing low-power embedded processing
• IoT devices needing integrated USB connectivity

Procurement Notes

Verify the specific suffix 'MUT' against official Microchip documentation to confirm the package type and temperature grade. Ensure compatibility with existing PCB footprints for the 48-QFN form factor. Cross-reference the datasheet revision history for any errata or design changes that may impact implementation. Confirm RoHS compliance status through manufacturer declarations.

Selection Notes

Select this model when a balance of moderate program memory and rich analog peripherals is required. The 48MHz speed suits applications not demanding high-performance computing but needing precise timing and interface versatility. Consider the 48-QFN package constraints for thermal management and board space. Evaluate if the 32KB Flash meets long-term firmware update needs without external storage.

Part Context

This component belongs to the SAM D21J/G series from Microchip Technology, designed for cost-sensitive and performance-efficient embedded applications. The series emphasizes low power consumption while maintaining high functionality through the Cortex-M0+ architecture. It serves as a versatile solution for general-purpose microcontroller tasks in compact electronic designs.

Replacement Considerations

ATSAMD21G15B-MU: Identical electrical specifications and pinout; differs only in packaging format (tray versus tape-and-reel). Verify that the change in reel configuration does not affect automated assembly processes.