Nuvoton Technology Corporation of America
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W78E054B40DL
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W78E054B40DL

Product Overview

Category

The W78E054B40DL belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and embedded systems.

Characteristics

  • High-performance 8-bit microcontroller
  • Low power consumption
  • Wide operating voltage range
  • Integrated peripherals for enhanced functionality
  • Flash memory for program storage
  • On-chip RAM for data storage

Package

The W78E054B40DL is available in a compact and durable package, suitable for surface mount technology (SMT) assembly.

Essence

The essence of this microcontroller lies in its ability to provide efficient processing and control capabilities in a small form factor.

Packaging/Quantity

The W78E054B40DL is typically packaged in reels or tubes, with quantities varying depending on the supplier. Common packaging options include 1000 units per reel or tube.

Specifications

  • Architecture: 8-bit
  • CPU Speed: Up to 40 MHz
  • Program Memory Size: 64 KB
  • Data Memory Size: 2 KB
  • Number of I/O Pins: 32
  • Operating Voltage Range: 2.7V to 5.5V
  • Communication Interfaces: UART, SPI, I2C
  • Timers/Counters: 3
  • Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The W78E054B40DL has a total of 32 pins, each serving a specific purpose. The pin configuration is as follows:

  1. VDD - Power supply voltage
  2. P0.0 - General-purpose I/O pin
  3. P0.1 - General-purpose I/O pin
  4. P0.2 - General-purpose I/O pin
  5. P0.3 - General-purpose I/O pin
  6. P0.4 - General-purpose I/O pin
  7. P0.5 - General-purpose I/O pin
  8. P0.6 - General-purpose I/O pin
  9. P0.7 - General-purpose I/O pin
  10. RST - Reset pin
  11. XTAL1 - Crystal oscillator input
  12. XTAL2 - Crystal oscillator output
  13. P1.0 - General-purpose I/O pin
  14. P1.1 - General-purpose I/O pin
  15. P1.2 - General-purpose I/O pin
  16. P1.3 - General-purpose I/O pin
  17. P1.4 - General-purpose I/O pin
  18. P1.5 - General-purpose I/O pin
  19. P1.6 - General-purpose I/O pin
  20. P1.7 - General-purpose I/O pin
  21. EA/VPP - External Access Enable/Voltage Programming Pin
  22. ALE/PROG - Address Latch Enable/Program Pin
  23. PSEN - Program Store Enable Pin
  24. P2.7/A15 - General-purpose I/O pin or Address bit 15
  25. P2.6/A14 - General-purpose I/O pin or Address bit 14
  26. P2.5/A13 - General-purpose I/O pin or Address bit 13
  27. P2.4/A12 - General-purpose I/O pin or Address bit 12
  28. P2.3/A11 - General-purpose I/O pin or Address bit 11
  29. P2.2/A10 - General-purpose I/O pin or Address bit 10
  30. P2.1/A9 - General-purpose I/O pin or Address bit 9
  31. P2.0/A8 - General-purpose I/O pin or Address bit 8
  32. GND - Ground

Functional Features

  • High-speed processing capabilities
  • Flexible I/O configuration
  • Integrated communication interfaces for data exchange
  • On-chip memory for program and data storage
  • Timers/counters for precise timing operations
  • Analog-to-digital converter for sensor interfacing
  • Low power consumption modes for energy efficiency

Advantages and Disadvantages

Advantages

  • High-performance microcontroller suitable for various applications
  • Wide operating voltage range allows flexibility in power supply selection
  • Integrated peripherals reduce the need for external components
  • Flash memory enables easy program updates
  • Compact package size facilitates space-constrained designs

Disadvantages

  • Limited program memory size compared to some other microcontrollers
  • Relatively fewer I/O pins may restrict certain complex applications
  • Lack of advanced features found in higher-end microcontrollers

Working Principles

The W78E054B40DL operates based on an 8-bit architecture, where instructions are executed sequentially. It fetches instructions from the

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací W78E054B40DL v technických řešeních

Sure! Here are 10 common questions and answers related to the application of W78E054B40DL in technical solutions:

  1. Q: What is the W78E054B40DL microcontroller used for? A: The W78E054B40DL is a microcontroller commonly used in various technical solutions, such as industrial automation, consumer electronics, and embedded systems.

  2. Q: What is the maximum clock frequency supported by the W78E054B40DL? A: The W78E054B40DL supports a maximum clock frequency of 40 MHz.

  3. Q: How much program memory does the W78E054B40DL have? A: The W78E054B40DL has 64 KB of program memory.

  4. Q: Can I expand the program memory of the W78E054B40DL? A: No, the program memory of the W78E054B40DL cannot be expanded beyond its built-in 64 KB.

  5. Q: What peripherals are available on the W78E054B40DL? A: The W78E054B40DL includes various peripherals, such as UART, SPI, I2C, timers, and GPIO pins.

  6. Q: Does the W78E054B40DL support analog-to-digital conversion (ADC)? A: No, the W78E054B40DL does not have an integrated ADC.

  7. Q: Can I use the W78E054B40DL for real-time applications? A: Yes, the W78E054B40DL can be used for real-time applications due to its fast execution speed and interrupt capabilities.

  8. Q: What voltage levels does the W78E054B40DL operate at? A: The W78E054B40DL operates at a voltage range of 2.4V to 5.5V.

  9. Q: Is the W78E054B40DL compatible with other microcontrollers or development tools? A: The W78E054B40DL follows the 8051 instruction set architecture, making it compatible with many existing 8051-based tools and software.

  10. Q: Can I program the W78E054B40DL using a standard programmer? A: Yes, the W78E054B40DL can be programmed using a standard programmer that supports the 8051 microcontroller family.

Please note that these answers are general and may vary depending on the specific requirements and documentation provided by the manufacturer.