Nuvoton Technology Corporation of America
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W78L054A24FL
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W78L054A24FL

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Microcontroller
  • Characteristics: Low-power, 8-bit, Flash-based, 8051-compatible microcontroller
  • Package: 24-pin plastic dual in-line package (DIP)
  • Essence: The W78L054A24FL is a versatile microcontroller designed for low-power applications. It combines the power of an 8-bit processor with flash memory for program storage.
  • Packaging/Quantity: Available in reels or tubes, quantity depends on manufacturer's packaging options.

Specifications

  • Architecture: 8051-compatible
  • Bit Width: 8-bit
  • Clock Speed: Up to 12 MHz
  • Program Memory: 4 KB Flash
  • Data Memory: 256 bytes RAM
  • I/O Pins: 20
  • Timers/Counters: 2 Timers/Counters
  • Serial Communication: UART (Universal Asynchronous Receiver/Transmitter)
  • Operating Voltage: 2.7V - 5.5V
  • Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The W78L054A24FL has a total of 24 pins. Here is the detailed pin configuration:

  1. P0.0 / AD0 / RXD: Port 0, Bit 0 / Analog Input 0 / Serial Receive Data
  2. P0.1 / AD1 / TXD: Port 0, Bit 1 / Analog Input 1 / Serial Transmit Data
  3. P0.2 / AD2 / INT0: Port 0, Bit 2 / Analog Input 2 / External Interrupt 0
  4. P0.3 / AD3 / INT1: Port 0, Bit 3 / Analog Input 3 / External Interrupt 1
  5. P0.4 / AD4 / T0: Port 0, Bit 4 / Analog Input 4 / Timer 0
  6. P0.5 / AD5 / T1: Port 0, Bit 5 / Analog Input 5 / Timer 1
  7. P0.6 / AD6 / WR: Port 0, Bit 6 / Analog Input 6 / Write Control
  8. P0.7 / AD7 / RD: Port 0, Bit 7 / Analog Input 7 / Read Control
  9. RST: Reset Pin
  10. P1.0 / ALE: Port 1, Bit 0 / Address Latch Enable
  11. P1.1 / AD8 / T2: Port 1, Bit 1 / Analog Input 8 / Timer 2
  12. P1.2 / AD9 / INT2: Port 1, Bit 2 / Analog Input 9 / External Interrupt 2
  13. P1.3 / AD10 / INT3: Port 1, Bit 3 / Analog Input 10 / External Interrupt 3
  14. P1.4 / AD11 / INT4: Port 1, Bit 4 / Analog Input 11 / External Interrupt 4
  15. P1.5 / AD12 / INT5: Port 1, Bit 5 / Analog Input 12 / External Interrupt 5
  16. VCC: Supply Voltage
  17. GND: Ground
  18. XTAL1: Crystal Oscillator Input
  19. XTAL2: Crystal Oscillator Output
  20. PSEN: Program Store Enable
  21. EA / VPP: External Access Enable / Programming Voltage
  22. P2.0 / A8: Port 2, Bit 0 / Address Bit 8
  23. P2.1 / A9: Port 2, Bit 1 / Address Bit 9
  24. P2.2 / A10: Port 2, Bit 2 / Address Bit 10

Functional Features

  • 8-bit processor with an instruction set compatible with the industry-standard 8051 microcontroller.
  • Low-power design suitable for battery-powered applications.
  • Flash memory allows for easy reprogramming of the microcontroller.
  • UART module enables serial communication with other devices.
  • Two timers/counters for timing and counting applications.
  • External interrupt capability for responding to external events.
  • Wide operating voltage range for flexibility in different power supply scenarios.

Advantages and Disadvantages

Advantages: - Compatibility with the popular 8051 architecture ensures a wide range of available software and development tools. - Low-power design extends battery life in portable applications. - Flash memory allows for easy program updates without the need for external programming equipment. - Versatile I/O pins provide flexibility for various application requirements. - Cost-effective solution for

10个与W78L054A24FL在技术解决方案中的应用相关的常见问题及解答

Sure! Here are 10 common questions and answers related to the application of W78L054A24FL in technical solutions:

  1. Q: What is the W78L054A24FL microcontroller used for? A: The W78L054A24FL 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 W78L054A24FL? A: The W78L054A24FL operates within a voltage range of 2.7V to 5.5V.

  3. Q: How much flash memory does the W78L054A24FL have? A: The W78L054A24FL has 4KB of flash memory for program storage.

  4. Q: Can I use the W78L054A24FL for analog signal processing? A: No, the W78L054A24FL is primarily a digital microcontroller and does not have built-in analog-to-digital converters (ADCs) or digital-to-analog converters (DACs).

  5. Q: What is the maximum clock frequency supported by the W78L054A24FL? A: The W78L054A24FL can operate at a maximum clock frequency of 12MHz.

  6. Q: Does the W78L054A24FL have any built-in communication interfaces? A: Yes, the W78L054A24FL supports serial communication through its built-in UART (Universal Asynchronous Receiver-Transmitter) interface.

  7. Q: Can I use the W78L054A24FL for low-power applications? A: Yes, the W78L054A24FL has power-saving features like sleep mode and idle mode, making it suitable for low-power applications.

  8. Q: What programming language can I use to program the W78L054A24FL? A: The W78L054A24FL can be programmed using assembly language or high-level languages like C.

  9. Q: Does the W78L054A24FL have any built-in timers/counters? A: Yes, the W78L054A24FL has two 16-bit timers/counters that can be used for various timing and counting applications.

  10. Q: Is the W78L054A24FL available in different package options? A: Yes, the W78L054A24FL is available in different package options, including DIP (Dual Inline Package) and SOP (Small Outline Package).

Please note that these answers are general and may vary depending on the specific datasheet and documentation provided by the manufacturer of the W78L054A24FL microcontroller.