Nuvoton Technology Corporation of America
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W78C438C40PL
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W78C438C40PL

Product Overview

Category

W78C438C40PL belongs to the category of microcontrollers.

Use

It is primarily used for embedded systems and applications that require control and processing capabilities.

Characteristics

  • High-performance microcontroller
  • Low power consumption
  • Integrated peripherals for versatile functionality
  • Compact size for space-constrained designs

Package

The W78C438C40PL comes in a compact package, suitable for surface mount technology (SMT) assembly.

Essence

The essence of the W78C438C40PL lies in its ability to provide efficient control and processing capabilities within a small form factor.

Packaging/Quantity

The microcontroller is typically packaged in reels or trays, with varying quantities depending on the manufacturer's specifications.

Specifications

  • Architecture: 8-bit
  • CPU Speed: Up to 40 MHz
  • Flash Memory: 32 KB
  • RAM: 2 KB
  • Operating Voltage: 2.7V - 5.5V
  • I/O Pins: 36
  • Communication Interfaces: UART, SPI, I2C
  • Timers/Counters: 4
  • Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution

Detailed Pin Configuration

The W78C438C40PL has a total of 36 pins, each serving a specific purpose. The pin configuration is as follows:

  1. VDD - Power supply voltage
  2. GND - Ground
  3. P0.0 - General-purpose I/O pin
  4. P0.1 - General-purpose I/O pin
  5. P0.2 - General-purpose I/O pin
  6. P0.3 - General-purpose I/O pin
  7. P0.4 - General-purpose I/O pin
  8. P0.5 - General-purpose I/O pin
  9. P0.6 - General-purpose I/O pin
  10. P0.7 - General-purpose I/O pin
  11. P1.0 - General-purpose I/O pin
  12. P1.1 - General-purpose I/O pin
  13. P1.2 - General-purpose I/O pin
  14. P1.3 - General-purpose I/O pin
  15. P1.4 - General-purpose I/O pin
  16. P1.5 - General-purpose I/O pin
  17. P1.6 - General-purpose I/O pin
  18. P1.7 - General-purpose I/O pin
  19. P2.0 - General-purpose I/O pin
  20. P2.1 - General-purpose I/O pin
  21. P2.2 - General-purpose I/O pin
  22. P2.3 - General-purpose I/O pin
  23. P2.4 - General-purpose I/O pin
  24. P2.5 - General-purpose I/O pin
  25. P2.6 - General-purpose I/O pin
  26. P2.7 - General-purpose I/O pin
  27. P3.0 - General-purpose I/O pin
  28. P3.1 - General-purpose I/O pin
  29. P3.2 - General-purpose I/O pin
  30. P3.3 - General-purpose I/O pin
  31. P3.4 - General-purpose I/O pin
  32. P3.5 - General-purpose I/O pin
  33. P3.6 - General-purpose I/O pin
  34. P3.7 - General-purpose I/O pin
  35. XTAL1 - Crystal oscillator input
  36. XTAL2 - Crystal oscillator output

Functional Features

The W78C438C40PL offers several functional features that enhance its usability and performance:

  1. High-speed CPU: The microcontroller operates at a maximum speed of 40 MHz, enabling fast execution of instructions.
  2. Integrated Peripherals: It includes UART, SPI, and I2C interfaces for communication with external devices.
  3. Timers/Counters: The microcontroller features four timers/counters, allowing precise timing and event counting.
  4. Analog-to-Digital Converter (ADC): With an 8-channel, 10-bit ADC, the W78C438C40PL can convert analog signals into digital values.

Advantages and Disadvantages

Advantages

  • High-performance capabilities
  • Low power consumption
  • Compact size
  • Versatile integrated peripherals

Disadvantages

  • Limited memory capacity compared to higher-end microcontrollers
  • Limited number of I/O pins for larger-scale projects

Working Principles

The W78C438C40PL follows the principles of microcontroller operation. It executes instructions stored in its flash memory, interacts with peripherals through various interfaces, and performs tasks based on programmed logic.

Detailed Application Field Plans

The W78C438C40PL

Énumérez 10 questions et réponses courantes liées à l'application de W78C438C40PL dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of W78C438C40PL in technical solutions:

  1. Q: What is the W78C438C40PL microcontroller used for? A: The W78C438C40PL microcontroller is commonly used in various technical solutions, including embedded systems, industrial automation, consumer electronics, and IoT devices.

  2. Q: What are the key features of the W78C438C40PL microcontroller? A: The key features of the W78C438C40PL microcontroller include a high-performance 8-bit CPU, on-chip flash memory, multiple I/O ports, timers/counters, UART, SPI, I2C interfaces, and low power consumption.

  3. Q: Can the W78C438C40PL microcontroller be programmed using C/C++ language? A: Yes, the W78C438C40PL microcontroller can be programmed using C/C++ language, making it easier for developers to write efficient and structured code.

  4. Q: Does the W78C438C40PL microcontroller support real-time operating systems (RTOS)? A: Yes, the W78C438C40PL microcontroller can be used with various RTOS options, allowing developers to build complex and multitasking applications.

  5. Q: How much program memory does the W78C438C40PL microcontroller have? A: The W78C438C40PL microcontroller has a built-in flash memory with a capacity of 40KB, which can store the program code.

  6. Q: Can the W78C438C40PL microcontroller communicate with other devices or sensors? A: Yes, the W78C438C40PL microcontroller supports various communication protocols such as UART, SPI, and I2C, enabling seamless communication with other devices or sensors.

  7. Q: What is the maximum clock frequency of the W78C438C40PL microcontroller? A: The W78C438C40PL microcontroller can operate at a maximum clock frequency of 20 MHz, providing high-speed processing capabilities.

  8. Q: Does the W78C438C40PL microcontroller have built-in analog-to-digital converters (ADC)? A: No, the W78C438C40PL microcontroller does not have built-in ADCs. However, external ADC modules can be used for analog signal acquisition.

  9. Q: Can the W78C438C40PL microcontroller be powered by batteries? A: Yes, the W78C438C40PL microcontroller has low power consumption and can be powered by batteries, making it suitable for portable and battery-operated applications.

  10. Q: Is there any development board available for the W78C438C40PL microcontroller? A: Yes, there are development boards available specifically designed for the W78C438C40PL microcontroller, which provide an easy way to prototype and test applications.

Please note that the answers provided here are general and may vary depending on specific implementation details and requirements.