AT89C51RB2-RLTIM

Product Overview

Category

AT89C51RB2-RLTIM 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
• Wide operating voltage range
• Multiple timers/counters for precise timing control

Package

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

Essence

The essence of AT89C51RB2-RLTIM lies in its ability to provide efficient and reliable control for electronic devices through its advanced features and capabilities.

Packaging/Quantity

This microcontroller is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Architecture: 8-bit
• CPU Speed: Up to 40 MHz
• Program Memory Size: 64 KB
• Data Memory Size: 2 KB
• Operating Voltage Range: 2.7V to 5.5V
• Number of I/O Pins: 32
• Communication Interfaces: UART, SPI, I²C
• Timers/Counters: 3
• ADC Channels: 8
• PWM Channels: 4

Detailed Pin Configuration

The pin configuration of AT89C51RB2-RLTIM is as follows:

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. P1.0 - Port 1, Pin 0
10. P1.1 - Port 1, Pin 1
11. P1.2 - Port 1, Pin 2
12. P1.3 - Port 1, Pin 3
13. P1.4 - Port 1, Pin 4
14. P1.5 - Port 1, Pin 5
15. P1.6 - Port 1, Pin 6
16. P1.7 - Port 1, Pin 7
17. P2.0 - Port 2, Pin 0
18. P2.1 - Port 2, Pin 1
19. P2.2 - Port 2, Pin 2
20. P2.3 - Port 2, Pin 3
21. P2.4 - Port 2, Pin 4
22. P2.5 - Port 2, Pin 5
23. P2.6 - Port 2, Pin 6
24. P2.7 - Port 2, Pin 7
25. P3.0 - Port 3, Pin 0
26. P3.1 - Port 3, Pin 1
27. P3.2 - Port 3, Pin 2
28. P3.3 - Port 3, Pin 3
29. P3.4 - Port 3, Pin 4
30. P3.5 - Port 3, Pin 5
31. P3.6 - Port 3, Pin 6
32. P3.7 - Port 3, Pin 7

Functional Features

• Enhanced UART: Allows for reliable serial communication with external devices.
• SPI Interface: Enables easy integration with other SPI-compatible devices.
• I²C Interface: Facilitates communication with I²C-based peripherals.
• Flash Memory: On-chip program memory for storing user code.
• Timers/Counters: Provides precise timing control for various applications.
• ADC Channels: Allows analog-to-digital conversion for sensor interfacing.
• PWM Channels: Supports pulse width modulation for controlling motor speed or LED brightness.

Advantages and Disadvantages

Advantages

• High-performance microcontroller suitable for a wide range of applications.
• Low-power consumption extends battery life in portable devices.
• Enhanced serial interfaces simplify communication with external devices.
• Ample program and data memory for complex applications.
• Wide operating voltage range accommodates different power supply configurations.

Disadvantages