LM3S3W26-IQR50-C0T

Microcontrollers Overview

The LM3S3W26-IQR50-C0T is a 32-bit microcontroller from the Texas Instruments Stellaris ARM Cortex-M3S 3000 series. It integrates 128KB of flash memory and 32KB of RAM within a 64-pin LQFP package. The device operates at a maximum clock frequency of 50MHz and supports an input/output count of 33 pins. It features an internal oscillator and includes peripherals such as DMA, PWM, and watchdog timers. The component is designed for surface-mount installation and functions within a specified temperature range.

Microcontrollers Feature Summary

• Integrates ARM Cortex-M3S core with 128KB flash and 32KB RAM
• Supports multiple communication interfaces including USB, UART, SPI, and I2C
• Includes hardware peripherals for DMA, PWM, and power management

Microcontrollers Applications

• Embedded control systems requiring USB connectivity
• Industrial automation controllers
• Consumer electronic devices

Microcontrollers Procurement Notes

Verify the exact suffix C0T against official Texas Instruments documentation to confirm voltage and temperature grades. Confirm availability status as components in this series may be discontinued or restricted. Ensure compatibility with existing PCB footprints and firmware libraries before procurement.

Microcontrollers Selection Notes

Select this model when a Stellaris MCU with 128KB flash and integrated USB functionality is required. Compare pin counts and peripheral sets against alternative LM3S3xxx variants. Verify that the 64-LQFP package fits the mechanical constraints and that the operating voltage aligns with system power rails.

Microcontrollers Part Context

This part belongs to the Stellaris ARM Cortex-M3S 3000 family, which combines high-performance processing with rich analog and digital peripherals. The series targets cost-sensitive applications needing robust connectivity options like USB and standard serial buses within a compact form factor.

Microcontrollers Replacement Considerations

Check for updated revisions within the LM3S3W26 series. Consult official substitution guides for compatible parts with identical pinouts and memory configurations.