AT89LV55-12AC

Product Overview

Category

AT89LV55-12AC belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic applications that require a programmable device to control and monitor different functions.

Characteristics

• Low-voltage operation
• High-performance CMOS technology
• Flash memory for program storage
• In-system programmable
• 8-bit microcontroller architecture

Package

AT89LV55-12AC is available in a standard 40-pin dual in-line package (DIP).

Essence

The essence of AT89LV55-12AC lies in its ability to provide a versatile and programmable solution for controlling and managing electronic systems.

Packaging/Quantity

AT89LV55-12AC is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of microcontrollers.

Specifications

• Operating Voltage: 2.7V to 5.5V
• Clock Frequency: 12 MHz
• Flash Memory: 55KB
• RAM Size: 2KB
• I/O Pins: 32
• Timers/Counters: 3
• Serial Communication: UART, SPI, I2C

Detailed Pin Configuration

The pin configuration of AT89LV55-12AC is as follows:

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 input
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. 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. EA/VPP - External Access Enable/Voltage Programming Pulse
31. ALE/PROG - Address Latch Enable/Program Pulse
32. PSEN - Program Store Enable
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

AT89LV55-12AC offers the following functional features:

1. Flash memory for program storage allows easy reprogramming of the microcontroller.
2. In-system programmability enables updating the program without removing the microcontroller from the circuit.
3. Low-voltage operation makes it suitable for battery-powered applications.
4. High-performance CMOS technology ensures efficient and reliable operation.
5. Multiple communication interfaces (UART, SPI, I2C) facilitate connectivity with other devices.
6. Timers/counters provide precise timing control.
7. Ample I/O pins allow interfacing with various external components.

Advantages and Disadvantages

Advantages

• Versatile and programmable solution for controlling electronic systems.
• In-system programmability simplifies firmware updates.