ATSAM3S1BB-AUR

Overview

The ATSAM3S1BB-AUR is a 32-bit microcontroller based on the ARM Cortex-M3 core, operating at a maximum clock frequency of 64 MHz. It features 64 kB of Flash program memory and 16 kB of SRAM data RAM. The device provides 47 general-purpose I/O pins and supports multiple communication interfaces including I2C, SPI, UART, USART, and USB. It operates within a supply voltage range of 1.62 V to 3.6 V and functions across an industrial temperature range of -40°C to +85°C. The component is housed in a 64-pin LQFP package.

Feature Summary

• Integrates an ARM Cortex-M3 processor core for efficient 32-bit execution
• Includes built-in Flash memory for non-volatile code storage
• Supports standard serial communication protocols such as SPI and I2C
• Features integrated USB interface capability

Applications

• Industrial control systems requiring robust processing
• Consumer electronics utilizing USB connectivity
• General-purpose embedded applications with moderate memory needs

Procurement Notes

Verify the specific suffix 'AUR' corresponds to the tape and reel packaging format required for automated assembly processes. Confirm that the industrial temperature grade and voltage specifications align with the target system design constraints before finalizing procurement orders.

Selection Notes

Select this component when a balance of processing speed and memory capacity is needed within a compact 64-pin footprint. It is suitable for designs requiring USB integration without external transceivers. Consider pin count limitations and peripheral availability relative to other SAM3S variants during the hardware architecture phase.

Part Context

This part belongs to the Microchip SAM3S series, which utilizes the ARM Cortex-M3 architecture. The series offers various memory configurations and package options to suit different application scales. The ATSAM3S1BB variant specifically targets mid-range performance requirements within this family.

Replacement Considerations

Consult official substitution lists for compatible parts within the SAM3S family. Verify pin compatibility and memory size differences when considering alternatives like the ATSAM3S1AB or ATSAM3S2BA series.