AT89C51RD2-RLRUM

Product Overview

Category

The AT89C51RD2-RLRUM 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
• Incorporates Flash memory for program storage
• Features a wide range of peripherals for versatile applications
• Supports both serial and parallel communication interfaces

Package

The AT89C51RD2-RLRUM is available in a compact and industry-standard 40-pin Dual In-Line Package (DIP).

Essence

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

Packaging/Quantity

The AT89C51RD2-RLRUM is typically packaged in reels, with each reel containing a specific quantity of microcontrollers. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 33 MHz
• Program Memory Size: 64 KB
• RAM Size: 2 KB
• Number of I/O Pins: 32
• Timers/Counters: 3
• Serial Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution

Detailed Pin Configuration

The AT89C51RD2-RLRUM microcontroller has a total of 40 pins. Here is a detailed pin configuration:

1. P0.0 - Port 0, Pin 0
2. P0.1 - Port 0, Pin 1
3. P0.2 - Port 0, Pin 2
4. P0.3 - Port 0, Pin 3
5. P0.4 - Port 0, Pin 4
6. P0.5 - Port 0, Pin 5
7. P0.6 - Port 0, Pin 6
8. P0.7 - Port 0, Pin 7
9. RST - Reset Pin
10. P1.0 - Port 1, Pin 0
11. P1.1 - Port 1, Pin 1
12. P1.2 - Port 1, Pin 2
13. P1.3 - Port 1, Pin 3
14. P1.4 - Port 1, Pin 4
15. P1.5 - Port 1, Pin 5
16. P1.6 - Port 1, Pin 6
17. P1.7 - Port 1, Pin 7
18. XTAL1 - Crystal Oscillator Input
19. XTAL2 - Crystal Oscillator Output
20. GND - Ground
21. VCC - Power Supply
22. P2.0 - Port 2, Pin 0
23. P2.1 - Port 2, Pin 1
24. P2.2 - Port 2, Pin 2
25. P2.3 - Port 2, Pin 3
26. P2.4 - Port 2, Pin 4
27. P2.5 - Port 2, Pin 5
28. P2.6 - Port 2, Pin 6
29. P2.7 - Port 2, Pin 7
30. ALE/PROG - Address Latch Enable/Program Pulse
31. PSEN - Program Store Enable
32. EA/VPP - External Access Enable/Voltage Programming Pin
33. P3.0 - Port 3, Pin 0
34. P3.1 - Port 3, Pin 1
35. P3.2 - Port 3, Pin 2
36. P3.3 - Port 3, Pin 3
37. P3.4 - Port 3, Pin 4
38. P3.5 - Port 3, Pin 5
39. P3.6 - Port 3, Pin 6
40. P3.7 - Port 3, Pin 7

Functional Features

The AT89C51RD2-RLRUM microcontroller offers several functional features, including:

• High-performance CPU with efficient instruction set
• Flash memory for program storage and easy reprogramming
• On-chip peripherals such as timers/counters, UART, SPI, and I2C interfaces
• Analog-to-Digital Converter (ADC) for precise analog signal measurements
• Interrupt capability for real-time event handling
• Low-power consumption for energy-efficient applications

Advantages and Disadvantages

Advantages