Texas Instruments LM3S1J11-IQC50-C3

Texas Instruments LM3S1J11-IQC50-C3 ARM Cortex-M3 Microcontroller - Industrial-Grade Performance

The LM3S1J11-IQC50-C3 is a high-performance 32-bit microcontroller from Texas Instruments' renowned Stellaris ARM Cortex-M3 family, engineered for demanding embedded applications that require robust processing power, extensive connectivity options, and industrial-grade reliability. This authentic TI microcontroller delivers exceptional value for engineers and system integrators building next-generation embedded solutions.

Core Performance & Architecture

• Powerful ARM Cortex-M3 Core: 32-bit single-core RISC processor running at 50MHz delivers up to 1.25 DMIPS/MHz for exceptional real-time control performance and deterministic interrupt handling
• Generous Memory Resources: 128KB Flash program memory (128K x 8) provides ample space for complex firmware, bootloaders, and OTA update capabilities, while 20KB SRAM (20K x 8) ensures smooth multitasking and data buffering
• Advanced Instruction Set: Thumb-2 instruction set combines 16-bit and 32-bit instructions for optimal code density and execution efficiency, reducing memory footprint by up to 30%

Comprehensive Connectivity & Communication Interfaces

• Multi-Protocol Serial Communications: Integrated I2C, IrDA, LINbus, Microwire, SPI, SSI, and UART/USART interfaces enable seamless integration with sensors, displays, wireless modules, and industrial networks
• Flexible I/O Architecture: 67 programmable general-purpose I/O pins with configurable pull-up/pull-down resistors offer maximum design flexibility for interfacing with diverse peripherals, sensors, actuators, and human-machine interfaces
• Industrial Communication Ready: Built-in LINbus support makes this MCU ideal for automotive body electronics, while multiple UART channels enable RS-232/RS-485 industrial protocols

Rich Peripheral Set & System Features

• Direct Memory Access (DMA): Multi-channel DMA controller offloads CPU from data transfer tasks, enabling efficient peripheral-to-memory and memory-to-memory operations without processor intervention
• Pulse Width Modulation (PWM): Integrated PWM modules with programmable frequency and duty cycle control for motor control, LED dimming, and power conversion applications
• System Protection: Watchdog Timer (WDT), Brown-out Detect/Reset, and Power-On Reset (POR) circuits ensure reliable operation and automatic recovery from fault conditions
• Precision Analog Conversion: 8-channel 10-bit successive approximation ADC with up to 500 ksps sampling rate for accurate sensor data acquisition, process monitoring, and signal conditioning
• Internal Oscillator: Integrated precision oscillator eliminates external crystal requirements, reducing BOM cost and board space while maintaining timing accuracy

Industrial-Grade Reliability & Environmental Specifications

• Wide Operating Voltage Range: 1.08V to 3.6V supply voltage supports both battery-powered portable devices and industrial 3.3V systems with built-in voltage regulation
• Extended Temperature Range: -40°C to 85°C (TA) ambient operating temperature ensures reliable performance in harsh industrial, automotive, and outdoor environments
• Low Power Modes: Multiple sleep and deep-sleep modes with fast wake-up enable energy-efficient battery-powered and IoT applications
• ESD Protection: Built-in electrostatic discharge protection on all I/O pins enhances robustness in electrically noisy industrial environments

Compact Surface Mount Package

• Space-Efficient Footprint: 100-pin LQFP (Low-Profile Quad Flat Pack) package with 14x14mm body size optimizes PCB real estate utilization while maintaining excellent thermal performance
• Manufacturing-Friendly: Surface mount technology (SMT) compatible for automated pick-and-place assembly, reducing production costs and improving manufacturing yield
• RoHS Compliant: Lead-free package meets EU RoHS directives for environmentally responsible electronics manufacturing

Target Applications & Use Cases

The LM3S1J11-IQC50-C3 excels in a wide range of demanding embedded applications:

• Industrial Automation: PLCs, process controllers, HMI terminals, data acquisition systems, and factory automation equipment
• Motor Control: Brushless DC motor drives, stepper motor controllers, servo systems, and variable frequency drives
• Building Automation: HVAC controllers, lighting control systems, access control, and energy management systems
• Medical Devices: Patient monitoring equipment, diagnostic instruments, infusion pumps, and portable medical devices
• Automotive Systems: Body control modules, dashboard controllers, lighting systems, and LIN-based automotive networks
• IoT Edge Computing: Smart sensors, wireless gateways, edge analytics nodes, and connected industrial equipment
• Consumer Electronics: Smart home devices, wearables, gaming peripherals, and connected appliances

Development & Software Ecosystem

• Comprehensive Toolchain Support: Compatible with industry-standard ARM development tools including Keil MDK, IAR Embedded Workbench, and GCC-based toolchains
• Rich Software Libraries: Texas Instruments StellarisWare peripheral driver library accelerates development with pre-tested, production-ready code
• JTAG/SWD Debug Interface: Standard ARM debug interfaces enable real-time debugging, flash programming, and performance profiling
• Extensive Documentation: Complete datasheets, reference manuals, application notes, and design guides available from Texas Instruments

Why Choose HQICKEY for Your LM3S1J11-IQC50-C3 Purchase

• 100% Authentic Components: We guarantee genuine Texas Instruments semiconductors sourced directly from authorized distributors with full traceability and certificates of conformance
• Long Lifecycle Availability: Strategic inventory management ensures consistent supply for your production needs, from prototype to high-volume manufacturing
• Dedicated Technical Support: Our experienced applications engineers provide pre-sales consultation, design-in support, and post-sales technical assistance to ensure your project success
• Quality Assurance: Rigorous incoming inspection, proper ESD handling, and climate-controlled storage maintain component integrity from our warehouse to your production line
• Fast Global Shipping: Worldwide delivery with multiple shipping options to meet your project timelines and budget requirements
• Competitive Pricing: Volume pricing available for production quantities with flexible payment terms for qualified customers

Technical Specifications Summary

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• LM3S1J11-IQC50-C3.pdf