W78L058A24PL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Microcontroller
• Characteristics: Low-power, 8-bit, 8051-compatible microcontroller
• Package: PLCC-44 (Plastic Leaded Chip Carrier)
• Essence: A versatile microcontroller with low power consumption and compatibility with the popular 8051 architecture.
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements.

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 x 16-bit
• Serial Communication: UART, SPI
• Operating Voltage: 2.7V - 5.5V
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The W78L058A24PL microcontroller has a total of 44 pins. The pin configuration is as follows:

1. P0.0
2. P0.1
3. P0.2
4. P0.3
5. P0.4
6. P0.5
7. P0.6
8. P0.7
9. RST
10. P1.0
11. P1.1
12. P1.2
13. P1.3
14. P1.4
15. P1.5
16. P1.6
17. P1.7
18. XTAL1
19. XTAL2
20. GND
21. VDD
22. P2.0
23. P2.1
24. P2.2
25. P2.3
26. P2.4
27. P2.5
28. P2.6
29. P2.7
30. EA/VPP
31. ALE/PROG
32. PSEN
33. P3.0/RXD
34. P3.1/TXD
35. P3.2/INT0
36. P3.3/INT1
37. P3.4/T0
38. P3.5/T1
39. P3.6/WR
40. P3.7/RD
41. VSS
42. XTAL2
43. XTAL1
44. VDD

Functional Features

• Low power consumption, suitable for battery-powered applications.
• 8051-compatible architecture allows easy migration from existing designs.
• Wide operating voltage range enables flexibility in various applications.
• Two 16-bit timers/counters provide precise timing capabilities.
• UART and SPI interfaces facilitate serial communication.
• Ample I/O pins for interfacing with external devices.

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life. - Compatibility with 8051 architecture simplifies design migration. - Versatile I/O capabilities enable flexible application development. - Precise timing features enhance time-critical operations.

Disadvantages: - Limited program memory (8 KB) may restrict complex applications. - Limited data memory (256 bytes) may limit data-intensive operations. - PLCC package may require additional care during soldering.

Working Principles

The W78L058A24PL microcontroller operates based on the 8051 architecture. It executes instructions stored in its program memory to perform various tasks. The CPU fetches instructions, decodes them, and executes the corresponding operations. Input/output operations are facilitated through the I/O pins, allowing communication with external devices. Timers/counters provide timing capabilities, while the UART and SPI interfaces enable serial communication.

Detailed Application Field Plans

The W78L058A24PL microcontroller finds applications in various fields, including but not limited to:

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

Detailed and Complete Alternative Models

1. W78E052C40PL - 8-bit microcontroller with 40-pin PLCC package.
2. W78E058B40DL - 8-bit microcontroller with 40-pin DIP package.
3. W78E052D40PL - 8-bit microcontroller with 40-pin PLCC package and additional features.

These alternative models offer similar functionality and compatibility with the 8051 architecture, providing options for different packaging requirements and additional features.

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