LM3S1968-IQC50-A2T

Microcontrollers Overview

The LM3S1968-IQC50-A2T is a 32-bit ARM Cortex-M3 microcontroller from the Stellaris Fury series by Texas Instruments. It features a 50 MHz maximum clock frequency, 256 kB of flash program memory, and 64 kB of data RAM. The device operates within a voltage range of 2.25 V to 2.75 V and supports an industrial temperature range of -40°C to +85°C. It includes a 10-bit ADC, 52 I/O lines, and interfaces such as I2C, SPI, SSI, and UART. The component is housed in an LQFP-100 package.

Microcontrollers Feature Summary

• Integrates an ARM Cortex-M3 processor core with Thumb-2 instruction set support for efficient code execution.
• Includes on-chip peripherals such as multiple timers, a 10-bit analog-to-digital converter, and various serial communication controllers.
• Supports low-power operation modes including run, sleep, and deep sleep states managed by integrated power control logic.

Microcontrollers Applications

• Industrial control systems requiring robust processing capabilities
• Medical devices utilizing precise analog signal acquisition
• Consumer electronics employing high-speed serial communication protocols

Microcontrollers Procurement Notes

Verify the specific suffix 'A2T' against official Texas Instruments documentation to confirm tape-and-reel packaging and exact revision status. Confirm lifecycle status, as this model may be marked as Not Recommended for New Designs (NRND). Ensure compatibility with existing firmware libraries before procurement.

Microcontrollers Selection Notes

Select this component when a balance of substantial flash memory and moderate I/O count is required within a 100-pin form factor. Consider the 2.25V to 2.75V operating voltage range for power supply design. Evaluate the availability of the LQFP-100 package against board space constraints and thermal requirements.

Microcontrollers Part Context

This part belongs to the Texas Instruments Stellaris LM3S family, designed for embedded applications using the ARM Cortex-M3 architecture. The LM3S1968 variant specifically targets applications needing larger program storage compared to lower-tier models in the same series, while maintaining standard peripheral sets.

Microcontrollers Replacement Considerations

Check for updated revisions within the LM3S1968 series or alternative Stellaris parts with similar pin counts and memory sizes. Verify if newer generations like the Tiva C Series offer functional equivalents with improved availability.