LM3S1110-IQC25-A2T

Microcontrollers Overview

The LM3S1110-IQC25-A2T is a 32-bit ARM Cortex-M3 microcontroller from the Stellaris family, manufactured by Texas Instruments. It operates at a maximum clock frequency of 25 MHz and features 64 kB of Flash program memory and 16 kB of SRAM data memory. The device utilizes an LQFP-100 surface-mount package and supports a supply voltage range of 2.25 V to 2.75 V. It includes multiple communication interfaces such as I2C, SPI, SSI, and UART, along with an 8-channel 10-bit ADC module. The component is rated for industrial operating temperatures between -40°C and +85°C.

Microcontrollers Feature Summary

• Integrates an ARM Cortex-M3 processor core with hardware multiply and divide capabilities for efficient code execution.
• Includes a Memory Protection Unit (MPU) to enhance system security and reliability in embedded applications.
• Features integrated analog peripherals including an 8-channel 10-bit Analog-to-Digital Converter and programmable analog comparators.

Microcontrollers Applications

• Industrial control systems requiring robust processing and analog signal acquisition
• Embedded sensor nodes utilizing serial communication protocols
• Consumer electronics devices needing low-power operation modes

Microcontrollers Procurement Notes

Verify the specific suffix and temperature grade against current official datasheets before integration. Confirm lifecycle status as this component may be discontinued or recommended against new designs. Ensure compatibility with existing firmware libraries provided by the manufacturer for the Stellaris architecture.

Microcontrollers Selection Notes

Select this component when a balance of moderate processing speed and extensive analog connectivity is required within a compact footprint. Consider the 25 MHz operational limit and available GPIO count relative to system interface requirements. Evaluate power consumption characteristics across active and sleep modes for battery-operated constraints.

Microcontrollers Part Context

This microcontroller belongs to the Stellaris LM3S series, designed for cost-sensitive embedded applications. It shares architectural similarities with other members like the LM3S1138 but offers specific memory and peripheral configurations tailored for distinct market segments. The part represents a transition period in TI's MCU portfolio following the acquisition of Luminary Micro.

Microcontrollers Replacement Considerations

Consult official substitution guides for pin-compatible alternatives within the same Stellaris family. Verify that any replacement maintains identical memory sizes and peripheral counts to ensure software compatibility without major refactoring.