AT89LV51-12PC

Product Overview

Category

AT89LV51-12PC belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic applications that require a programmable device to control and monitor different functions.

Characteristics

• Low-voltage operation
• High-performance 8-bit CPU
• Flash memory for program storage
• In-system programmable
• 4KB of on-chip RAM
• 32 programmable I/O lines
• 3-level program memory lock
• Power-on reset and programmable brown-out detection
• Serial programmable UART
• Two 16-bit timer/counters
• Six interrupt sources
• Full-duplex UART compatible with standard PC COM ports

Package

AT89LV51-12PC is available in a 40-pin DIP (Dual Inline Package) format.

Essence

The essence of AT89LV51-12PC lies in its ability to provide a versatile and reliable microcontroller solution for a wide range of applications.

Packaging/Quantity

AT89LV51-12PC is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Operating Voltage: 2.7V to 5.5V
• Clock Frequency: 12 MHz
• Flash Memory Size: 4KB
• RAM Size: 128 bytes
• Number of I/O Lines: 32
• Timers/Counters: 2 (16-bit)
• UART: Yes
• Interrupt Sources: 6

Detailed Pin Configuration

The pin configuration of AT89LV51-12PC 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. XTAL2
19. XTAL1
20. GND
21. VCC
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. ALE/PROG
31. PSEN
32. EA/VPP
33. P3.0
34. P3.1
35. P3.2
36. P3.3
37. P3.4
38. P3.5
39. P3.6
40. P3.7

Functional Features

• Low-voltage operation allows for reduced power consumption.
• Flash memory enables easy reprogramming of the microcontroller.
• In-system programmability allows for convenient updates without removing the chip from the circuit.
• Ample on-chip RAM provides sufficient storage for data manipulation.
• Multiple I/O lines offer flexibility in connecting external devices.
• Timers/counters facilitate precise timing and event counting.
• UART enables serial communication with other devices.
• Interrupt sources allow for efficient handling of external events.

Advantages and Disadvantages

Advantages

• Low-voltage operation reduces power consumption.
• In-system programmability simplifies firmware updates.
• Ample on-chip RAM provides sufficient storage for most applications.
• Versatile I/O capabilities enable flexible interfacing with external devices.
• UART compatibility allows for easy communication with standard PC COM ports.

Disadvantages

• Limited program memory size (4KB) may restrict the complexity of applications.
• Lack of built-in peripherals may require additional external components for certain functionalities.

Working Principles

AT89LV51-12PC operates based on the principles of a microcontroller. It executes instructions stored in its flash memory, interacts with external devices through I/O lines, and utilizes timers/counters for precise timing and event handling. The microcontroller can be programmed using various development tools and languages to perform specific tasks as required by the application.

Detailed Application Field Plans

AT89LV51-12PC finds applications in various fields, including but not limited to: - Industrial automation - Home automation - Robotics - Automotive electronics - Consumer electronics - Internet of Things (IoT) devices - Medical equipment - Security systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT89LV51-12PC include: - AT89C51-24PC - AT89S52-24PU