Nuvoton Technology Corporation of America
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
W78L051C24DL
Lihat Butiran Helaian data

W78L051C24DL

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Microcontroller
  • Characteristics: Low-power, 8-bit, 8051-compatible, with built-in Flash memory
  • Package: DIP-24 (Dual In-line Package with 24 pins)
  • Essence: The W78L051C24DL is a microcontroller designed for low-power applications. It combines the popular 8051 architecture with built-in Flash memory, making it suitable for various embedded systems.
  • Packaging/Quantity: The W78L051C24DL is typically sold in reels or tubes containing multiple units.

Specifications

  • Architecture: 8-bit
  • Processor: 8051-compatible
  • Clock Speed: Up to 12 MHz
  • Memory: 4 KB Flash, 128 bytes RAM
  • I/O Pins: 21
  • Timers/Counters: 2 x 16-bit
  • Serial Communication: UART (Universal Asynchronous Receiver/Transmitter)
  • Operating Voltage: 2.7V - 5.5V
  • Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The W78L051C24DL has a total of 24 pins. Here is the detailed pin configuration:

  1. P0.0 / AD0
  2. P0.1 / AD1
  3. P0.2 / AD2
  4. P0.3 / AD3
  5. P0.4 / AD4
  6. P0.5 / AD5
  7. P0.6 / AD6
  8. P0.7 / AD7
  9. RST
  10. P1.0 / T2
  11. P1.1 / T2EX
  12. P1.2 / WR
  13. P1.3 / RD
  14. P1.4 / T0
  15. P1.5 / INT0
  16. P1.6 / INT1
  17. P1.7 / T1
  18. XTAL2
  19. XTAL1
  20. VSS (Ground)
  21. VDD (Power)
  22. PSEN
  23. ALE
  24. EA / VPP

Functional Features

  • 8051-compatible architecture allows easy migration from existing designs.
  • Low-power design makes it suitable for battery-powered applications.
  • Built-in Flash memory enables in-system programming and firmware updates.
  • UART module provides serial communication capabilities.
  • Two 16-bit timers/counters offer versatile timing functions.
  • Interrupt support for external events.

Advantages and Disadvantages

Advantages: - Compatibility with the popular 8051 architecture simplifies development and debugging. - Low-power design extends battery life in portable devices. - In-system programming capability allows for easy firmware updates. - Versatile I/O pins and timers/counters provide flexibility in application design.

Disadvantages: - Limited processing power compared to more advanced microcontrollers. - Small amount of memory may restrict the complexity of applications. - Lack of advanced peripherals found in newer microcontrollers.

Working Principles

The W78L051C24DL follows the working principles of the 8051 microcontroller architecture. It executes instructions stored in its internal Flash memory, interacting with external devices through its I/O pins. The processor fetches instructions from memory, performs calculations, and controls various peripherals based on the program logic. Interrupts can be used to handle time-critical events or external triggers.

Detailed Application Field Plans

The W78L051C24DL is suitable for a wide range of applications, including but not limited to:

  1. Home automation systems
  2. Industrial control systems
  3. Consumer electronics
  4. Medical devices
  5. Automotive electronics
  6. Internet of Things (IoT) devices

Detailed and Complete Alternative Models

  • W78E052D40DL: Similar to W78L051C24DL, but with 40-pin package and more I/O pins.
  • AT89C51ED2: Another 8051-compatible microcontroller with larger memory and advanced peripherals.
  • PIC16F877A: A popular 8-bit microcontroller from Microchip with enhanced features and larger memory.

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

Word count: 532 words

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi W78L051C24DL dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of W78L051C24DL in technical solutions:

  1. Q: What is the W78L051C24DL microcontroller used for? A: The W78L051C24DL is a microcontroller commonly used in various technical solutions, such as embedded systems, automation, and control applications.

  2. Q: What is the operating voltage range of the W78L051C24DL? A: The W78L051C24DL operates within a voltage range of 2.4V to 5.5V.

  3. Q: How much flash memory does the W78L051C24DL have? A: The W78L051C24DL has 8KB of flash memory for program storage.

  4. Q: Can I use the W78L051C24DL for analog signal processing? A: No, the W78L051C24DL is primarily a digital microcontroller and does not have built-in analog-to-digital converters (ADCs) or digital-to-analog converters (DACs).

  5. Q: Does the W78L051C24DL support communication protocols like UART, SPI, or I2C? A: Yes, the W78L051C24DL supports UART (Universal Asynchronous Receiver-Transmitter) for serial communication. However, it does not have dedicated hardware for SPI (Serial Peripheral Interface) or I2C (Inter-Integrated Circuit).

  6. Q: What is the maximum clock frequency of the W78L051C24DL? A: The W78L051C24DL can operate at a maximum clock frequency of 12MHz.

  7. Q: Can I use the W78L051C24DL in battery-powered applications? A: Yes, the W78L051C24DL is designed to be power-efficient and can be used in battery-powered applications.

  8. Q: Does the W78L051C24DL have any built-in timers or counters? A: Yes, the W78L051C24DL has two 16-bit timers/counters that can be used for various timing and counting applications.

  9. Q: Can I program the W78L051C24DL using C language? A: Yes, the W78L051C24DL can be programmed using C language along with its specific development tools and software libraries.

  10. Q: Is the W78L051C24DL suitable for low-cost applications? A: Yes, the W78L051C24DL is a cost-effective microcontroller suitable for low-cost applications due to its affordable price and minimal external component requirements.

Please note that these answers are general and may vary depending on the specific requirements and use cases of your technical solution.