ATSAM3S1BA-MUR

Overview

The ATSAM3S1BA-MUR is a Microchip Technology microcontroller based on the ARM Cortex-M3 core, belonging to the SAM3S series. It features 64 kB of Flash program memory and 16 kB of SRAM data RAM within a 64-pin QFN package. The device operates at a maximum clock frequency of 64 MHz with a 32-bit data bus width. It supports an operating voltage range of 1.62 V to 1.9 V and functions within a temperature range of -40°C to +85°C. Key peripherals include a 12-bit ADC with 10 channels, multiple communication interfaces such as SPI, UART, and I2C, and six timer/counters.

Feature Summary

• Integrates an ARM Cortex-M3 processor core for efficient 32-bit instruction execution.
• Includes non-volatile Flash memory for persistent program storage and SRAM for dynamic data handling.
• Provides versatile peripheral connectivity through standard serial communication protocols.
• Features integrated analog-to-digital conversion capabilities for sensor interfacing.

Applications

• Industrial control systems requiring robust processing in moderate temperature environments
• Consumer electronics utilizing low-power ARM-based architectures
• Embedded applications needing reliable serial communication interfaces

Procurement Notes

Verify component authenticity through authorized Microchip distributors or certified suppliers. Confirm the specific suffix indicates the tape and reel packaging format suitable for automated surface-mount assembly. Ensure compliance with RoHS directives and check for any relevant lifecycle notices regarding availability status before finalizing procurement plans.

Selection Notes

Select this model when a balance of moderate memory capacity and cost-effectiveness is required for Cortex-M3 applications. Consider the 64-pin QFN footprint for space-constrained designs. Evaluate if the 64 MHz speed and 1.62 V to 1.9 V supply range align with system power and performance requirements compared to higher-end SAM3S variants.

Part Context

This component is part of the ATSAM3S family, designed for general-purpose embedded control. It utilizes the ARM Cortex-M3 architecture, offering a high-performance RISC core with reduced code size. The SAM3S series targets applications demanding efficient processing, low power consumption, and rich peripheral integration in compact packages.

Replacement Considerations

Consult official Microchip documentation for verified cross-references. Potential alternatives within the same family may include other ATSAM3S variants with differing memory sizes or pin counts, provided functional compatibility is confirmed via datasheet comparison.