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W78L052A24PL
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W78L052A24PL

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Microcontroller
  • Characteristics: Low-power, 8-bit, 8051-compatible microcontroller
  • Package: PLCC-44 (Plastic Leaded Chip Carrier)
  • Essence: The W78L052A24PL is a highly integrated microcontroller designed for low-power applications.
  • Packaging/Quantity: Available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

  • Architecture: 8-bit
  • CPU Speed: Up to 12 MHz
  • Program Memory: 8 KB Flash
  • Data Memory: 256 bytes RAM
  • I/O Pins: 32
  • 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 W78L052A24PL has a total of 44 pins, which are assigned various functions. 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. XTAL1
  10. XTAL2
  11. RESET
  12. PSEN
  13. ALE / PROG
  14. EA / VPP
  15. P2.0 / A8
  16. P2.1 / A9
  17. P2.2 / A10
  18. P2.3 / A11
  19. P2.4 / A12
  20. P2.5 / A13
  21. P2.6 / A14
  22. P2.7 / A15
  23. RST
  24. P1.0 / T2
  25. P1.1 / T2EX
  26. P1.2 / WR
  27. P1.3 / RD
  28. P1.4 / T0
  29. P1.5 / T1
  30. P1.6 / INT0
  31. P1.7 / INT1
  32. VCC
  33. GND
  34. P3.0 / RXD
  35. P3.1 / TXD
  36. P3.2 / INT2
  37. P3.3 / INT3
  38. P3.4 / INT4
  39. P3.5 / INT5
  40. P3.6 / INT6
  41. P3.7 / INT7
  42. EA / VPP
  43. XTAL2
  44. XTAL1

Functional Features

  • 8-bit CPU with an 8051-compatible instruction set
  • Low-power consumption for battery-operated applications
  • On-chip Flash memory for program storage
  • Built-in UART for serial communication
  • Two timers/counters for timing and event counting
  • Multiple interrupt sources for efficient handling of external events
  • Power-saving modes to further reduce power consumption

Advantages and Disadvantages

Advantages: - Low-power design makes it suitable for battery-powered devices - Compatibility with the popular 8051 architecture allows easy migration of existing designs - Ample program and data memory for most applications - Integrated UART simplifies serial communication implementation - Wide operating voltage range provides flexibility in power supply options

Disadvantages: - Limited I/O pins may restrict the number of peripherals that can be connected directly - Lack of advanced features found in more modern microcontrollers - May not be suitable for applications requiring high processing power or extensive memory

Working Principles

The W78L052A24PL operates based on the 8051 architecture, which is an 8-bit microcontroller design. It executes instructions stored in its internal Flash memory and interacts with external devices through its I/O pins. The CPU fetches instructions from memory, performs calculations, and controls the flow of execution.

The microcontroller can communicate with other devices using the built-in UART, allowing for serial data transmission. It also has timers/counters that can be used for precise timing or event counting purposes. Interrupts can be generated by external events to trigger specific actions within the microcontroller.

Detailed Application Field Plans

The W78L052A24PL is well-suited for various low-power applications, including but not

Liste 10 perguntas e respostas comuns relacionadas à aplicação de W78L052A24PL em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of W78L052A24PL in technical solutions:

  1. Q: What is the W78L052A24PL microcontroller used for? A: The W78L052A24PL 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 W78L052A24PL? A: The W78L052A24PL operates within a voltage range of 2.7V to 5.5V.

  3. Q: How much flash memory does the W78L052A24PL have? A: The W78L052A24PL has 8KB of flash memory for program storage.

  4. Q: Can I use the W78L052A24PL for analog signal processing? A: No, the W78L052A24PL is primarily a digital microcontroller and does not have built-in analog-to-digital converters (ADCs).

  5. Q: What communication interfaces are supported by the W78L052A24PL? A: The W78L052A24PL supports serial communication through its UART (Universal Asynchronous Receiver-Transmitter) interface.

  6. Q: Does the W78L052A24PL have any built-in timers? A: Yes, the W78L052A24PL has two 16-bit timers that can be used for various timing and counting purposes.

  7. Q: Can I use the W78L052A24PL for low-power applications? A: Yes, the W78L052A24PL features multiple power-saving modes, making it suitable for low-power applications.

  8. Q: What is the maximum clock frequency of the W78L052A24PL? A: The W78L052A24PL can operate at a maximum clock frequency of 12MHz.

  9. Q: Is the W78L052A24PL compatible with other microcontrollers or development tools? A: The W78L052A24PL follows the standard 8051 architecture, making it compatible with many existing 8051-based tools and software.

  10. Q: Where can I find documentation and resources for programming the W78L052A24PL? A: You can find datasheets, application notes, and other resources on the manufacturer's website or online forums dedicated to microcontroller programming.