AT89LV55-12PI

Product Overview

Category

AT89LV55-12PI belongs to the category of microcontrollers.

Use

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

Characteristics

• Low-voltage operation
• High-performance CMOS technology
• 8-bit microcontroller architecture
• Flash memory for program storage
• In-system programmable
• Wide operating voltage range
• Multiple I/O ports
• Timers and counters
• Serial communication interface

Package

AT89LV55-12PI is available in a DIP (Dual Inline Package) format.

Essence

The essence of AT89LV55-12PI lies in its ability to provide a versatile and efficient solution for controlling electronic devices and systems.

Packaging/Quantity

AT89LV55-12PI is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Operating Voltage: 2.7V to 5.5V
• Clock Frequency: 12 MHz
• Flash Memory Size: 55 KB
• RAM Size: 2 KB
• Number of I/O Ports: 32
• Timers/Counters: 3
• Serial Communication Interface: UART

Detailed Pin Configuration

The AT89LV55-12PI microcontroller has a total of 40 pins, each serving a specific purpose. The pin configuration 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. 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/Programming Voltage
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

• Flash memory allows for easy reprogramming of the microcontroller.
• Multiple I/O ports provide flexibility in connecting external devices.
• Timers and counters enable precise timing and event counting.
• Serial communication interface facilitates communication with other devices.

Advantages and Disadvantages

Advantages

• Low-voltage operation makes it suitable for battery-powered applications.
• In-system programmability allows for convenient updates without removing the microcontroller from the circuit.
• High-performance CMOS technology ensures efficient execution of instructions.
• Wide operating voltage range provides compatibility with various power sources.

Disadvantages

• Limited program and data memory compared to higher-end microcontrollers.
• Lack