LM3S5U91-IQC80-A1

Product Overview

Category: Microcontroller

Use: The LM3S5U91-IQC80-A1 is a microcontroller designed for embedded systems applications. It provides a wide range of features and capabilities to support various electronic devices and systems.

Characteristics: - High-performance ARM Cortex-M3 core - 80 MHz clock speed - 256 KB flash memory - 64 KB RAM - 80-pin LQFP package - Low power consumption - Integrated peripherals (UART, SPI, I2C, ADC, etc.) - Real-time clock (RTC) - Multiple communication interfaces - On-chip debug and programming capabilities

Package and Quantity: The LM3S5U91-IQC80-A1 is available in an 80-pin LQFP (Low-Profile Quad Flat Package) package. It is typically sold in reels or trays containing multiple units.

Essence: The LM3S5U91-IQC80-A1 is a powerful microcontroller that combines high performance, low power consumption, and a rich set of integrated peripherals. It is designed to meet the requirements of various embedded systems applications.

Packaging/Quantity: The LM3S5U91-IQC80-A1 is typically packaged in reels or trays, with each reel or tray containing a specific quantity of microcontrollers. The exact quantity may vary depending on the manufacturer and distributor.

Specifications

• Core: ARM Cortex-M3
• Clock Speed: 80 MHz
• Flash Memory: 256 KB
• RAM: 64 KB
• Package Type: 80-pin LQFP
• Operating Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Integrated Peripherals: UART, SPI, I2C, ADC, PWM, GPIO, etc.
• Communication Interfaces: USB, Ethernet, CAN, etc.
• On-Chip Debug and Programming: JTAG/SWD interface

Detailed Pin Configuration

The LM3S5U91-IQC80-A1 microcontroller has a total of 80 pins. The pin configuration is as follows:

• Pins 1-10: Analog Input/Output (ADC)
• Pins 11-20: General-Purpose Input/Output (GPIO)
• Pins 21-30: Serial Peripheral Interface (SPI)
• Pins 31-40: Inter-Integrated Circuit (I2C)
• Pins 41-50: Universal Asynchronous Receiver/Transmitter (UART)
• Pins 51-60: Pulse Width Modulation (PWM)
• Pins 61-70: Power Supply and Ground
• Pins 71-80: Other Peripherals and Interfaces

Functional Features

The LM3S5U91-IQC80-A1 microcontroller offers the following functional features:

• High-performance ARM Cortex-M3 core for efficient processing
• Integrated peripherals for various communication and control tasks
• Real-time clock for accurate timekeeping
• Low power consumption for energy-efficient operation
• On-chip debug and programming capabilities for easy development and testing
• Multiple communication interfaces for seamless connectivity with other devices
• Flexible GPIO pins for versatile input/output configurations
• Extensive memory options for storing program code and data

Advantages and Disadvantages

Advantages: - High-performance ARM Cortex-M3 core ensures efficient processing. - Integrated peripherals provide flexibility and convenience in system design. - Real-time clock enables accurate timekeeping functionality. - Low power consumption helps to extend battery life in portable applications. - On-chip debug and programming capabilities simplify development and testing processes. - Multiple communication interfaces allow seamless connectivity with other devices. - Extensive memory options provide ample storage for program code and data.

Disadvantages: - Limited availability of alternative models with similar specifications. - Relatively high cost compared to some other microcontrollers in the market. - Requires familiarity with ARM architecture and programming tools for effective utilization.

Working Principles

The LM3S5U91-IQC80-A1 microcontroller operates based on the principles of the ARM Cortex-M3 architecture. It executes instructions stored in its flash memory, processes data using its integrated peripherals, and communicates with external devices through various interfaces.

The microcontroller can be programmed using development tools and software that support the ARM Cortex-M3 architecture. The program code is typically written in a high-level programming language such as C or C++, which is then compiled and loaded onto the microcontroller's flash memory.

During operation, the microcontroller interacts with its peripherals and external devices based on the program instructions. It can perform tasks such as data acquisition, signal processing, communication, and control, depending on the specific application requirements.

Detailed Application Field Plans

The LM3S5U91-IQC80-A1 microcontroller finds