AT89C51RB2-RLTIL

Product Overview

Category

AT89C51RB2-RLTIL belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic applications that require embedded control systems.

Characteristics

• High-performance 8-bit microcontroller
• Low-power consumption
• Enhanced UART, SPI, and I²C serial interfaces
• On-chip Flash memory for program storage
• In-system programmable using an ISP programmer
• Wide operating voltage range
• Multiple timers/counters for precise timing operations

Package

AT89C51RB2-RLTIL is available in a compact and durable package, suitable for surface mount technology (SMT) applications.

Essence

The essence of this microcontroller lies in its ability to provide efficient and reliable control for a wide range of electronic devices and systems.

Packaging/Quantity

AT89C51RB2-RLTIL is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 40 MHz
• Program Memory Size: 64 KB
• RAM Size: 2 KB
• Operating Voltage Range: 2.7V to 5.5V
• Digital I/O Pins: 32
• ADC Channels: 8
• Timers/Counters: 3
• Communication Interfaces: UART, SPI, I²C

Detailed Pin Configuration

The AT89C51RB2-RLTIL microcontroller has a total of 44 pins. The pin configuration is as follows:

1. P1.0
2. P1.1
3. P1.2
4. P1.3
5. P1.4
6. P1.5
7. P1.6
8. P1.7
9. RST
10. P3.0
11. P3.1
12. P3.2
13. P3.3
14. P3.4
15. P3.5
16. P3.6
17. P3.7
18. XTAL2
19. XTAL1
20. GND
21. VCC
22. EA/VPP
23. ALE/PROG
24. PSEN
25. P2.7
26. P2.6
27. P2.5
28. P2.4
29. P2.3
30. P2.2
31. P2.1
32. P2.0
33. AVSS
34. AVCC
35. ADC0
36. ADC1
37. ADC2
38. ADC3
39. ADC4
40. ADC5
41. ADC6
42. ADC7
43. P0.0
44. P0.1

Functional Features

• High-speed and efficient 8-bit CPU core
• Flash memory for program storage and easy reprogramming
• Multiple communication interfaces for data exchange
• On-chip timers/counters for precise timing operations
• Analog-to-Digital Converter (ADC) for analog signal processing
• General-purpose I/O pins for versatile connectivity
• Low-power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages

• High-performance microcontroller suitable for a wide range of applications
• Low-power consumption extends battery life in portable devices
• In-system programmability allows for easy updates and modifications
• Enhanced serial interfaces enable seamless communication with other devices
• Ample program and data memory for complex applications

Disadvantages

• Limited number of I/O pins may restrict connectivity options in some projects
• Lack of built-in peripherals may require additional external components in certain applications
• Higher cost compared to some other microcontrollers with similar specifications

Working Principles

AT89C51RB2-RLTIL operates based on the principles of a typical 8-bit microcontroller. It executes instructions stored in its Flash memory, interacts with various peripherals and devices through its I/O pins and communication interfaces, and performs tasks according to the program logic.

The microcontroller's CPU fetches instructions from memory, decodes them, and executes the corresponding operations. It utilizes timers/counters for precise timing requirements and ADC for analog signal processing. The I/O pins facilitate data exchange with external devices, while the serial interfaces enable communication with other devices or systems.

Detailed Application Field Plans

AT89C51RB2-RLTIL finds extensive application in various fields, including but not limited to:

1. Industrial automation: Control systems for machinery, robotics, and manufacturing processes.
2. Automotive electronics: Engine management, dashboard displays, and vehicle control