LM3S328-EGZ25-C2

Introduction

The LM3S328-EGZ25-C2 is a microcontroller belonging to the LM3S series, designed and manufactured by Texas Instruments. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Microcontroller
• Use: Embedded systems, industrial control, automation
• Characteristics: High performance, low power consumption, integrated peripherals
• Package: LQFP (Low-profile Quad Flat Package)
• Essence: ARM Cortex-M3 core
• Packaging/Quantity: Tape & Reel, 250 units per reel

Specifications

• Core: ARM Cortex-M3
• Clock Speed: 25 MHz
• Flash Memory: 128 KB
• RAM: 32 KB
• Operating Voltage: 3.3V
• I/O Pins: 43
• Communication Interfaces: UART, SPI, I2C, USB
• Analog Inputs: 8 channels

Detailed Pin Configuration

The LM3S328-EGZ25-C2 features a total of 64 pins in a LQFP package. The pinout includes power supply pins, GPIO pins, communication interface pins, and analog input pins. Refer to the datasheet for the complete pin configuration.

Functional Features

• Integrated Peripherals: Timers, PWM, ADC, DAC
• Real-Time Clock (RTC): Built-in RTC for timekeeping applications
• Low-Power Modes: Multiple low-power modes for energy-efficient operation
• Security Features: Hardware encryption, secure boot, and tamper detection

Advantages and Disadvantages

Advantages

• High-performance ARM Cortex-M3 core
• Integrated peripherals reduce external component count
• Low power consumption extends battery life
• Secure boot and encryption enhance system security

Disadvantages

• Limited RAM and flash memory compared to higher-end microcontrollers
• Higher cost compared to basic 8-bit microcontrollers

Working Principles

The LM3S328-EGZ25-C2 operates on a 32-bit ARM Cortex-M3 core, which executes instructions at high speed while consuming minimal power. The integrated peripherals facilitate interfacing with external devices and sensors, making it suitable for embedded systems and industrial control applications.

Detailed Application Field Plans

The LM3S328-EGZ25-C2 is well-suited for a wide range of applications, including: - Industrial automation - Motor control systems - Home automation - IoT (Internet of Things) devices - Building management systems

Detailed and Complete Alternative Models

• LM3S6965-IBZ50-A2: Higher memory capacity and additional communication interfaces
• LM3S9B96-IQC80-C5: Enhanced security features and extended temperature range support
• LM4F232H5QD: Upgraded to ARM Cortex-M4 core with floating-point unit

In conclusion, the LM3S328-EGZ25-C2 offers a balance of performance, power efficiency, and integrated features, making it suitable for various embedded applications. Its ARM Cortex-M3 core and integrated peripherals provide a solid foundation for developing reliable and efficient systems.

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