AT87C51RD2-3CSUM

Product Overview

Category

AT87C51RD2-3CSUM belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and systems for controlling and processing data.

Characteristics

• High-performance 8-bit microcontroller
• Low-power consumption
• Enhanced features compared to previous models
• Wide operating voltage range
• Integrated peripherals for versatile applications

Package

AT87C51RD2-3CSUM is available in a compact and durable package, suitable for surface mount technology (SMT) assembly.

Essence

The essence of this microcontroller lies in its ability to efficiently process and control data, making it an essential component in many electronic devices.

Packaging/Quantity

AT87C51RD2-3CSUM is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of microcontrollers. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Architecture: 8-bit
• Clock Speed: Up to 33 MHz
• Program Memory Size: 64 KB
• Data Memory Size: 256 bytes
• Number of I/O Pins: 32
• Operating Voltage Range: 2.7V to 5.5V
• Communication Interfaces: UART, SPI, I2C
• Timers/Counters: 3
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
• Interrupt Sources: External and Internal

Detailed Pin Configuration

1. VCC - Power supply voltage
2. GND - Ground
3. P0.0 - Port 0, Pin 0
4. P0.1 - Port 0, Pin 1
5. P0.2 - Port 0, Pin 2
6. P0.3 - Port 0, Pin 3
7. P0.4 - Port 0, Pin 4
8. P0.5 - Port 0, Pin 5
9. P0.6 - Port 0, Pin 6
10. P0.7 - Port 0, Pin 7
11. RST - Reset pin
12. P1.0 - Port 1, Pin 0
13. P1.1 - Port 1, Pin 1
14. P1.2 - Port 1, Pin 2
15. P1.3 - Port 1, Pin 3
16. P1.4 - Port 1, Pin 4
17. P1.5 - Port 1, Pin 5
18. P1.6 - Port 1, Pin 6
19. P1.7 - Port 1, Pin 7
20. XTAL1 - Crystal oscillator input
21. XTAL2 - Crystal oscillator output
22. EA/VPP - External Access/Programming Enable
23. ALE/PROG - Address Latch Enable/Program pulse
24. PSEN - Program Store Enable
25. P2.0 - Port 2, Pin 0
26. P2.1 - Port 2, Pin 1
27. P2.2 - Port 2, Pin 2
28. P2.3 - Port 2, Pin 3
29. P2.4 - Port 2, Pin 4
30. P2.5 - Port 2, Pin 5
31. P2.6 - Port 2, Pin 6
32. P2.7 - Port 2, Pin 7

Functional Features

• High-speed processing capabilities
• On-chip memory for program storage and data handling
• Multiple communication interfaces for seamless integration with other devices
• Built-in timers/counters for precise timing operations
• Analog-to-Digital Converter (ADC) for analog signal processing
• Interrupt capability for efficient event handling
• Low-power consumption modes for energy efficiency

Advantages and Disadvantages

Advantages

• Enhanced performance compared to previous models
• Wide operating voltage range allows flexibility in power supply options
• Integrated peripherals reduce the need for external components
• Compact package size enables space-saving designs
• Versatile applications due to multiple communication interfaces and interrupt sources

Disadvantages

• Limited program memory size compared to some other microcontrollers
• Limited data memory size may restrict certain applications
• Lack of advanced features found in higher-end microcontrollers

Working Principles

AT87C51RD2-3CSUM operates based on the principles of a typical microcontroller. It executes instructions stored in its program memory, processes data using its integrated peripherals, and communicates with external devices through its I/O pins and communication interfaces. The