ATSAM4SA16BA-MUR

Overview

The ATSAM4SA16BA-MUR is an ARM Cortex-M4 microcontroller from the SAM4S series, manufactured by Microchip Technology. It features a 32-bit data bus and operates at a maximum clock frequency of 120 MHz. The device integrates 1 MB of flash program memory and 160 kB of SRAM data RAM. It includes a 12-bit ADC with 11 channels and provides 47 general-purpose I/O pins. The unit supports multiple communication interfaces including I2C, SPI, UART, and USB. It functions within a supply voltage range of 1.08 V to 1.32 V for core logic and 3.3 V for I/Os, operating between -40°C and +85°C in an LQFP-64 package.

Feature Summary

• Integrates an ARM Cortex-M4 processor core for high-performance embedded control applications.
• Provides extensive connectivity through integrated peripherals such as USB, SPI, I2C, and UART.
• Includes a 12-bit analog-to-digital converter with multiple input channels for sensor interfacing.

Applications

• Industrial automation controllers
• Consumer electronics devices
• Medical equipment systems

Procurement Notes

Verify the specific suffix MUR indicates tape and reel packaging when sourcing components. Confirm that the ordering information matches the required quantity increments for reel-based distribution. Ensure the component meets RoHS compliance standards if required by your manufacturing process. Cross-reference the manufacturer part number with official datasheets to confirm pinout and electrical specifications before finalizing procurement orders.

Selection Notes

Select this component for designs requiring a balance of processing power and peripheral integration within a compact form factor. The 120 MHz speed and 1 MB memory support complex firmware execution. Consider the LQFP-64 package constraints regarding board space and thermal management. Evaluate the 3.3 V I/O voltage levels against external interface requirements to ensure signal compatibility without additional level shifting.

Part Context

This microcontroller belongs to the SAM4S family, which utilizes the ARM Cortex-M4 architecture. The series is designed for cost-sensitive applications needing robust performance. The ATSAM4SA16BA variant specifically denotes the memory configuration and feature set within this lineup. It serves as a versatile solution for various embedded computing tasks across different industries.

Replacement Considerations

Consult official Microchip documentation for verified substitute part numbers. Ensure any replacement maintains compatible pinouts and electrical characteristics. Verify that alternative components meet the same temperature and voltage specifications.