Overview
The LM3S5B91-IQC80-C5 is a high-performance microcontroller from Texas Instruments, designed for embedded applications requiring robust processing capabilities and versatile connectivity options. This model belongs to the Stellaris® ARM Cortex-M3 microcontroller family, which is renowned for its efficiency and reliability in demanding environments. The LM3S5B91-IQC80-C5 is particularly suited for industrial automation, consumer electronics, and automotive systems, offering a balance of performance, power efficiency, and integration. Its unique selling points include advanced communication interfaces, extensive peripheral support, and a scalable architecture, making it a competitive choice for developers seeking a flexible and powerful microcontroller solution.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Core Processor | ARM Cortex-M3 | - | 32-bit RISC architecture |
| Operating Frequency | 80 | MHz | Maximum clock speed |
| Flash Memory | 256 | KB | On-chip program memory |
| SRAM | 64 | KB | On-chip data memory |
| Operating Voltage | 3.3 | V | Typical supply voltage |
| I/O Pins | 91 | - | General-purpose I/O |
| Communication Interfaces | UART, SPI, I2C, CAN | - | Multiple protocols supported |
| Operating Temperature | -40 to 85 | °C | Industrial temperature range |
| Package | LQFP | - | 80-pin package |
| Certifications | RoHS, Pb-free | - | Compliant with environmental standards |
Key Features
- High-Performance ARM Cortex-M3 Core: Delivers efficient processing for complex tasks with a clock speed of up to 80 MHz.
- Integrated Memory: Features 256 KB of Flash memory and 64 KB of SRAM for robust program and data storage.
- Versatile Connectivity: Supports multiple communication interfaces, including UART, SPI, I2C, and CAN, enabling seamless integration with various peripherals.
- Scalable Architecture: Designed for flexibility, allowing developers to tailor the microcontroller to specific application requirements.
- Industrial-Grade Reliability: Operates reliably in harsh environments with an industrial temperature range of -40°C to 85°C.
Applications
The LM3S5B91-IQC80-C5 is widely used in various industries due to its versatility and robust performance. In industrial automation, it powers control systems, motor drives, and sensor interfaces. In consumer electronics, it enables smart devices, home automation systems, and wearable technology. For automotive applications, it supports advanced driver-assistance systems (ADAS), infotainment systems, and vehicle control modules. Its extensive connectivity options and scalable architecture make it an ideal choice for developers seeking a reliable and adaptable microcontroller solution.
Q & A
1. What is the operating voltage of the LM3S5B91-IQC80-C5?
The operating voltage is typically 3.3 V.
2. What is the maximum clock speed of this microcontroller?
The maximum clock speed is 80 MHz.
3. How much Flash memory does it have?
It features 256 KB of on-chip Flash memory.
4. What communication interfaces are supported?
It supports UART, SPI, I2C, and CAN interfaces.
5. What is the operating temperature range?
It operates reliably in temperatures ranging from -40°C to 85°C.
6. Is the LM3S5B91-IQC80-C5 RoHS compliant?
Yes, it is RoHS and Pb-free compliant.
7. How many I/O pins does it have?
It has 91 general-purpose I/O pins.
8. What package does it come in?
It is available in an 80-pin LQFP package.
9. Can it be used in automotive applications?
Yes, it is suitable for automotive systems like ADAS and infotainment.
10. What is the core processor architecture?
It uses the ARM Cortex-M3 32-bit RISC architecture.
