AT89C51-33PI

Product Overview

Category

AT89C51-33PI belongs to the category of microcontrollers.

Use

It is commonly used in various electronic applications that require a microcontroller for processing and controlling tasks.

Characteristics

• High-performance 8-bit microcontroller
• Operates at a clock frequency of 33 MHz
• Features 4 KB of Flash memory for program storage
• Includes 128 bytes of RAM for data storage
• Supports a wide range of input/output (I/O) options
• Offers multiple communication interfaces for connectivity

Package

AT89C51-33PI is available in a standard 40-pin dual in-line package (DIP).

Essence

The essence of AT89C51-33PI lies in its ability to provide efficient and reliable control and processing capabilities in electronic systems.

Packaging/Quantity

AT89C51-33PI is typically packaged in reels or tubes, with each containing a specific quantity of microcontrollers. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Architecture: 8-bit
• Clock Frequency: 33 MHz
• Program Memory Size: 4 KB
• Data RAM Size: 128 bytes
• I/O Pins: 32
• Communication Interfaces: UART, SPI, I2C
• Operating Voltage: 2.7V - 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of AT89C51-33PI 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. 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

• High-speed processing capabilities
• Flexible I/O options for interfacing with external devices
• Built-in timers and counters for precise timing operations
• Interrupt support for handling real-time events
• On-chip Flash memory for program storage and easy reprogramming
• Low power consumption for energy-efficient applications
• Wide operating voltage range for compatibility with various power sources

Advantages and Disadvantages

Advantages

• High-performance microcontroller suitable for a wide range of applications
• Ample program and data memory for storing complex algorithms and data
• Multiple communication interfaces for seamless connectivity
• Robust and reliable operation in harsh environments
• Cost-effective solution for embedded systems

Disadvantages

• Limited processing power compared to higher-bit microcontrollers
• Relatively small memory capacity for large-scale applications
• Lack of advanced features found in more modern microcontrollers

Working Principles

AT89C51-33PI operates based on the principles of a typical 8-bit microcontroller. It executes instructions stored in its program memory, interacts with external devices through its I/O pins, and utilizes timers and counters for precise timing operations. The microcontroller can be programmed using various development tools and programming languages to perform specific tasks as required by the application.

Detailed Application Field Plans

AT89C51-33PI finds applications in various fields, including but not limited to:

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

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT89C51-33PI are:

1. ATmega328P - 8-bit microcontroller with higher memory capacity and advanced features.
2. PIC16F877A - 8-bit microcontroller with enhanced peripherals and larger program memory.
3. STM32F103C8T6 -