Texas Instruments LM3S9B81-IBZ80-C5T
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 355,902.03 | Dhs. 355,902.03 |
| 15+ | Dhs. 344,663.02 | Dhs. 5,169,945.30 |
| 25+ | Dhs. 337,170.35 | Dhs. 8,429,258.75 |
| 50+ | Dhs. 318,438.66 | Dhs. 15,921,933.00 |
| 100+ | Dhs. 280,975.29 | Dhs. 28,097,529.00 |
| N+ | Dhs. 56,195.06 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | Stellaris® ARM® Cortex®-M3S 9000 |
| Packaging | | Tape & Reel (TR) |
| Core Processor | ARM® Cortex®-M3 |
| Core Size | 32-Bit Single-Core |
| Speed | 80MHz |
| Connectivity | CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART, USB OTG |
| Peripherals | Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT |
| Number of I/O | 65 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 96K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.235V ~ 1.365V |
| Data Converters | A/D 16x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 108-BGA (10x10) |
| Package / Case | 108-LFBGA |
| ROHS |  |
Texas Instruments LM3S9B81-IBZ80-C5T - High-Performance ARM Cortex-M3 Microcontroller
The LM3S9B81-IBZ80-C5T from Texas Instruments is a powerful 32-bit microcontroller built on the ARM® Cortex®-M3 architecture, designed for demanding embedded and industrial applications. Part of the renowned Stellaris® 9000 series, this MCU delivers exceptional performance at 80MHz with comprehensive connectivity options and robust peripheral integration.
Key Features & Benefits
- High-Performance Processing: 32-bit ARM Cortex-M3 core running at 80MHz for fast, efficient computation with industry-leading power efficiency
- Generous Memory: 256KB Flash program memory and 96KB RAM for complex applications, real-time operating systems, and sophisticated control algorithms
- Rich Connectivity: Ethernet MAC/PHY, USB 2.0 OTG, CANbus 2.0B, LINbus, I2C, SPI, UART/USART for versatile system integration and multi-protocol support
- Advanced Peripherals: 8-channel DMA controller, I2S audio interface, 8 PWM outputs, dual watchdog timers, and 16-channel 10-bit ADC (1 MSPS) for comprehensive control and monitoring
- Industrial-Grade Reliability: -40°C to 85°C operating range with brown-out detection, power-on reset, and programmable voltage supervisor for mission-critical applications
- Extensive I/O: 65 general-purpose I/O pins with 5V-tolerant inputs for maximum design flexibility and legacy system compatibility
- Development Support: Compatible with industry-standard ARM development tools, extensive code libraries, and TI's comprehensive technical documentation
Performance Advantages
The LM3S9B81-IBZ80-C5T stands out in the embedded microcontroller market with its unique combination of high-speed processing, integrated Ethernet MAC/PHY (eliminating external PHY costs), and USB OTG functionality. The ARM Cortex-M3 architecture provides superior code density compared to traditional 8-bit and 16-bit MCUs, while the 80MHz clock speed ensures real-time responsiveness for time-critical applications. With integrated flash memory and SRAM, this MCU reduces BOM costs and board space requirements.
Ideal Applications
Perfect for industrial automation and factory control systems, motor control and motion applications, building automation and HVAC systems, medical devices and diagnostic equipment, networking equipment and IoT gateways, embedded web servers, data acquisition systems, and connected devices requiring robust connectivity. The integrated Ethernet and USB OTG make it ideal for Industry 4.0 applications, smart manufacturing, and edge computing solutions.
Application Examples
- Industrial Ethernet Gateway: Connect legacy RS-485/Modbus devices to Ethernet networks using integrated Ethernet MAC/PHY and multiple UART interfaces
- Motor Control System: Implement field-oriented control (FOC) algorithms using PWM outputs, ADC inputs, and real-time processing capabilities
- Building Automation Controller: Manage HVAC, lighting, and access control systems with CANbus, Ethernet connectivity, and extensive I/O
- Medical Monitoring Device: Acquire sensor data via ADC, process with ARM core, and communicate via USB OTG for PC connectivity
- IoT Edge Device: Collect sensor data, perform local analytics, and communicate to cloud platforms via Ethernet or USB
Design Considerations
When integrating the LM3S9B81-IBZ80-C5T into your design, consider the 108-LFBGA package requires careful PCB layout with proper power distribution and decoupling. The integrated Ethernet MAC/PHY supports 10/100 Mbps operation with MII/RMII interfaces. USB OTG functionality enables both host and device modes, expanding connectivity options. The device supports in-system programming via JTAG/SWD interfaces, facilitating firmware updates and debugging. Multiple power-saving modes enable battery-powered applications while maintaining real-time responsiveness.
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Related Resources:
LM3S9B81-IBZ80-C5T.pdf