LM3S5656-IQR80-C0

Microcontrollers Overview

The LM3S5656-IQR80-C0 is a 32-bit microcontroller from the Texas Instruments Stellaris ARM Cortex-M3S 5000 series. It features an ARM Cortex-M3 core operating at a maximum frequency of 80 MHz. The device includes 128 KB of flash program memory and 32 KB of data RAM. It is housed in a 64-pin LQFP package with 33 available I/O lines. Key peripherals include one CAN channel, USB device support, multiple UARTs, SPI, I2C, and an 8-channel 10-bit ADC.

Microcontrollers Feature Summary

• Integrates an ARM Cortex-M3 processor core for high-performance 32-bit processing.
• Provides integrated communication interfaces including CAN bus and USB device connectivity.
• Includes analog-to-digital conversion capabilities with multiple channels.

Microcontrollers Applications

• Industrial control systems requiring CAN bus communication
• USB-enabled embedded devices
• General-purpose microcontroller applications

Microcontrollers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix indicates the correct temperature range and package variant. Check for obsolescence notices as this part may be discontinued. Ensure ESD handling procedures are followed during installation.

Microcontrollers Selection Notes

Select this model when an 80 MHz Cortex-M3 solution with integrated CAN and USB is required. Compare against other LM3S5xxx variants based on specific memory sizes and peripheral availability. Ensure the 64-LQFP package fits the target PCB layout constraints.

Microcontrollers Part Context

This component belongs to the Stellaris family of microcontrollers designed for cost-sensitive embedded applications. The 5000 series typically targets industrial and consumer markets. It utilizes the standard ARM Cortex-M3 architecture common across the TI Stellaris lineup.

Microcontrollers Replacement Considerations

Consult official Texas Instruments documentation for verified cross-reference part numbers. Verify pin compatibility and peripheral equivalence before substitution.