ATSAMD20G16B-MU

Overview

The ATSAMD20G16B-MU is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum frequency of 48 MHz. It features 64 KB of in-system programmable Flash memory and 8 KB of SRAM. The device includes 14 channels of 12-bit ADC and one 10-bit DAC. It supports I2C, SPI, and USART interfaces within a 48-VQFN package.

Feature Summary

• Integrates an ARM Cortex-M0+ processor for efficient code execution
• Provides flexible analog conversion with multiple 12-bit ADC channels
• Includes serial communication peripherals for system connectivity

Applications

• Industrial control systems requiring low-power processing
• Consumer electronics utilizing serial communication protocols
• General-purpose embedded applications with analog sensing needs

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with existing design constraints regarding voltage levels and pin configurations before procurement.

Selection Notes

Select this component when a balance of moderate memory capacity and analog input capabilities is required. Consider the 48-pin form factor for space-constrained designs needing multiple I/O lines and serial interfaces.

Part Context

This part belongs to the SAM D20 family, designed for cost-sensitive applications. It shares architectural similarities with other SAMD series devices but offers specific peripheral counts and memory sizes tailored for entry-level 32-bit MCU requirements.

Replacement Considerations

Consult official substitution lists for compatible parts within the SAM D20 or SAM D21 families. Verify pinout and register compatibility if replacing with variants having different memory sizes or package options.