LM3S8938-IBZ50-A2T

Product Overview

Category

The LM3S8938-IBZ50-A2T belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and systems for controlling and processing data.

Characteristics

• High-performance 32-bit ARM Cortex-M3 processor
• Clock speed: 50 MHz
• Flash memory: 256 KB
• RAM: 64 KB
• Operating voltage: 3.3V
• Low power consumption
• Integrated peripherals for enhanced functionality

Package

The LM3S8938-IBZ50-A2T is available in a compact package, suitable for surface mount technology (SMT) applications.

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control and processing capabilities for embedded systems.

Packaging/Quantity

The LM3S8938-IBZ50-A2T is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Architecture: ARM Cortex-M3
• Clock Speed: 50 MHz
• Flash Memory: 256 KB
• RAM: 64 KB
• Operating Voltage: 3.3V
• Digital I/O Pins: 38
• Analog Input Channels: 12
• Communication Interfaces: UART, SPI, I2C, USB
• Timers/Counters: 6
• ADC Resolution: 12-bit
• PWM Channels: 6
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM3S8938-IBZ50-A2T has a total of 64 pins, which are assigned to various functions such as digital I/O, analog inputs, communication interfaces, timers/counters, and power supply. The detailed pin configuration is as follows:

• Pin 1: VDD (Power Supply)
• Pin 2: GND (Ground)
• Pin 3-40: Digital I/O Pins
• Pin 41-52: Analog Input Pins
• Pin 53: UART0_TX (UART Transmit)
• Pin 54: UART0_RX (UART Receive)
• Pin 55: SPI0_CLK (SPI Clock)
• Pin 56: SPI0_MISO (SPI Master In Slave Out)
• Pin 57: SPI0_MOSI (SPI Master Out Slave In)
• Pin 58: I2C0_SCL (I2C Serial Clock)
• Pin 59: I2C0_SDA (I2C Serial Data)
• Pin 60: USB_DN (USB Data Negative)
• Pin 61: USB_DP (USB Data Positive)
• Pin 62-63: Timer/Counter Inputs
• Pin 64: RESET (Reset)

Functional Features

The LM3S8938-IBZ50-A2T offers several functional features that enhance its performance and usability in various applications:

• High-performance ARM Cortex-M3 processor for efficient data processing.
• Integrated peripherals such as UART, SPI, I2C, and USB for seamless communication with external devices.
• Timers/counters for precise timing and event management.
• Analog-to-digital converter (ADC) for accurate analog signal acquisition.
• PWM channels for generating precise analog output signals.
• Low power consumption for energy-efficient operation.
• Robust design and temperature range (-40°C to +85°C) for reliable performance in harsh environments.

Advantages and Disadvantages

Advantages

• High-performance processor enables fast and efficient data processing.
• Integrated peripherals simplify the design and implementation of communication interfaces.
• Low power consumption prolongs battery life in portable devices.
• Wide operating temperature range allows for use in various environments.
• Compact package facilitates space-saving designs.

Disadvantages

• Limited flash memory and RAM may restrict the complexity of applications.
• Lack of built-in Ethernet or Wi-Fi connectivity may require additional components for network communication.

Working Principles

The LM3S8938-IBZ50-A2T operates based on the ARM Cortex-M3 architecture. It executes instructions stored in its flash memory, processes data, and controls external devices through its integrated peripherals. The microcontroller communicates with other devices using various interfaces such as UART, SPI, I2C, and USB. It can also acquire analog signals through its ADC and generate precise analog outputs using PWM channels.

Detailed Application Field Plans

The LM3S8938-IBZ50-A2T finds applications in a wide range of fields, including but not limited to:

1. Industrial Automation: Control systems, motor drives, and monitoring devices.
2. Consumer Electronics: Home appliances, gaming consoles, and audio/video equipment.
3. Automotive: Engine control units, dashboard displays, and infotainment systems.
4. Internet of