MC74LVXT8051DR2

Product Overview

• Category: Integrated Circuit (IC)
• Use: Microcontroller
• Characteristics: Low-voltage, high-speed CMOS logic, 8-bit microcontroller
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The MC74LVXT8051DR2 is a versatile microcontroller that combines low-voltage operation with high-speed performance. It is designed for various applications that require efficient control and processing capabilities.
• Packaging/Quantity: The MC74LVXT8051DR2 is typically packaged in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Architecture: 8-bit
• Operating Voltage: 2.0V to 5.5V
• Clock Speed: Up to 33 MHz
• Program Memory Size: 4 KB
• RAM Size: 128 bytes
• I/O Pins: 32
• Timers/Counters: 2
• Serial Communication: UART, SPI
• Interrupt Sources: 6
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74LVXT8051DR2 has a total of 44 pins. Here is the detailed pin configuration:

• VCC: Power supply voltage
• GND: Ground
• XTAL1: Crystal oscillator input
• XTAL2: Crystal oscillator output
• RST: Reset input
• PSEN: Program store enable
• ALE/PROG: Address latch enable/Program pulse input
• EA/VPP: External access enable/Programming voltage input
• P0.0 - P0.7: Port 0 bidirectional I/O pins
• P1.0 - P1.7: Port 1 bidirectional I/O pins
• P2.0 - P2.7: Port 2 bidirectional I/O pins
• P3.0 - P3.7: Port 3 bidirectional I/O pins

Functional Features

• Low-voltage operation allows for reduced power consumption.
• High-speed CMOS logic enables fast processing and response times.
• Versatile I/O capabilities provide flexibility in connecting external devices.
• Built-in timers/counters facilitate accurate timing and event counting.
• Serial communication interfaces (UART, SPI) enable data exchange with other devices.
• Interrupt sources allow for efficient handling of external events.

Advantages and Disadvantages

Advantages

• Low-voltage operation reduces power consumption.
• High-speed performance enables fast execution of instructions.
• Versatile I/O capabilities provide flexibility in system design.
• Compact SOIC package allows for space-efficient integration.
• Wide operating temperature range ensures reliability in various environments.

Disadvantages

• Limited program memory size may restrict the complexity of applications.
• Limited RAM size may impose constraints on data storage and manipulation.
• Lack of advanced features found in more modern microcontrollers.

Working Principles

The MC74LVXT8051DR2 is based on the Intel 8051 architecture. It operates by executing instructions stored in its program memory. The microcontroller communicates with external devices through its I/O pins and serial communication interfaces. It can be programmed to perform a wide range of tasks, making it suitable for various applications.

Detailed Application Field Plans

The MC74LVXT8051DR2 finds applications in various fields, including:

1. Industrial Automation: Control systems, monitoring devices, and data acquisition systems.
2. Consumer Electronics: Remote controls, home automation systems, and electronic appliances.
3. Automotive: Engine control units, dashboard displays, and vehicle security systems.
4. Communication Systems: Modems, routers, and wireless communication devices.
5. Medical Devices: Patient monitoring systems, medical instruments, and diagnostic equipment.

Detailed and Complete Alternative Models

1. AT89C51ED2: 8-bit microcontroller with similar features and architecture.
2. PIC16F877A: Microcontroller with enhanced I/O capabilities and larger program memory.
3. STM32F103C8T6: 32-bit microcontroller with advanced features and higher performance.

These alternative models offer different specifications and features, allowing users to choose the most suitable microcontroller for their specific requirements.

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