Texas Instruments LM3S3N26-IQR50-C3

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Product attributes Property Value
Manufacturer Texas Instruments
Product Series Stellaris® ARM® Cortex®-M3S 3000
Packaging | Tray
Core Processor ARM® Cortex®-M3
Core Size 32-Bit Single-Core
Speed 50MHz
Connectivity I2C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O 33
Program Memory Size 64KB (64K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 12K x 8
Voltage - Supply (Vcc/Vdd) 1.08V ~ 1.32V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Supplier Device Package 64-LQFP (10x10)
Package / Case 64-LQFP
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Texas Instruments LM3S3N26-IQR50-C3 Microcontroller

The LM3S3N26-IQR50-C3 is a high-performance 32-bit ARM® Cortex®-M3 microcontroller from Texas Instruments' Stellaris® 3000 series, engineered for demanding embedded and industrial applications. Operating at 50MHz with 64KB Flash memory and 12KB RAM, this MCU delivers exceptional processing power and flexibility for real-time control systems, industrial automation, and connectivity-driven designs.

Key Features & Benefits

  • High-Performance Core: ARM® Cortex®-M3 32-bit single-core processor running at 50MHz ensures fast execution and responsive system performance
  • Rich Connectivity: Integrated I2C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART, and USB interfaces enable seamless communication across multiple protocols
  • Robust Peripherals: Built-in DMA, PWM, WDT, Brown-out Detect/Reset, and POR enhance system reliability and reduce external component count
  • Flexible I/O: 33 general-purpose I/O pins provide extensive interfacing options for sensors, actuators, and displays
  • Precision Analog: 8-channel 10-bit A/D converter enables accurate sensor data acquisition
  • Industrial-Grade Reliability: Operating temperature range of -40°C to 85°C ensures stable performance in harsh environments
  • Compact Surface Mount Package: 64-LQFP (10x10mm) footprint optimizes board space utilization

Ideal Applications

Perfect for industrial control systems, motor control, building automation, medical devices, data acquisition systems, and USB-enabled embedded applications requiring reliable long-lifecycle components.

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