AT87C51RB2-SLSUM

Product Overview

Category: Microcontroller
Use: Embedded systems, industrial automation, consumer electronics
Characteristics: High-performance, low-power, 8-bit microcontroller
Package: Surface mount
Essence: Advanced architecture with enhanced features
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 33 MHz
• Program Memory Size: 64 KB
• RAM Size: 2 KB
• Data EEPROM Size: 256 bytes
• I/O Pins: 32
• Timers/Counters: 3
• Serial Communication: UART, SPI, I2C
• ADC Channels: 8
• Operating Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT87C51RB2-SLSUM microcontroller has a total of 40 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. XTAL1
19. XTAL2
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. AVCC
34. ADC0
35. ADC1
36. ADC2
37. ADC3
38. ADC4
39. ADC5
40. ADC6

Functional Features

• High-performance 8-bit microcontroller with advanced architecture
• Low-power consumption for energy-efficient applications
• Wide operating voltage range allows flexibility in power supply options
• Ample program memory and RAM for complex applications
• Multiple serial communication interfaces for easy integration with other devices
• Built-in analog-to-digital converter (ADC) for sensor interfacing
• Timers/counters for precise timing and event management
• Robust reset and interrupt handling mechanisms for reliable operation

Advantages and Disadvantages

Advantages: - High-performance capabilities enable efficient execution of complex tasks - Low-power consumption extends battery life in portable applications - Versatile serial communication interfaces facilitate connectivity with external devices - Ample program memory and RAM provide flexibility for application development - Robust reset and interrupt handling mechanisms ensure reliable operation

Disadvantages: - Limited data EEPROM size may restrict storage capacity for certain applications - Lack of built-in peripherals may require additional external components for specific functionalities

Working Principles

The AT87C51RB2-SLSUM microcontroller operates based on an 8-bit architecture. It executes instructions stored in its program memory, interacts with external devices through various I/O pins, and utilizes timers, counters, and serial communication interfaces to perform specific tasks. The microcontroller's working principles involve fetching, decoding, and executing instructions in a sequential manner, responding to external events through interrupts, and managing data transfer between different peripherals.

Detailed Application Field Plans

The AT87C51RB2-SLSUM microcontroller finds applications in various fields, including:

1. Embedded systems: Used in industrial automation, home automation, and automotive systems for control and monitoring purposes.
2. Consumer electronics: Integrated into devices such as smart appliances, remote controls, and gaming consoles for user interface and control functions.
3. Internet of Things (IoT): Enables connectivity and data processing in IoT devices, facilitating communication with cloud platforms and other connected devices.
4. Robotics: Provides the computational power and I/O capabilities required for controlling robot movements, sensors, and actuators.
5. Medical devices: Utilized in medical equipment for data acquisition, signal processing, and control tasks.

Detailed and Complete Alternative Models

1. AT89C51RD2-RLTIM: Similar 8-bit microcontroller with enhanced features and real-time clock functionality.
2. ATmega328P-PU: 8-bit microcontroller with higher program memory and additional peripherals, suitable for more complex applications.