AT89LV55-12JI

Product Overview

Category

AT89LV55-12JI 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
• Timer/counter modules
• Serial communication interface

Package

AT89LV55-12JI is available in a 44-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT89LV55-12JI lies in its ability to provide efficient and reliable control in embedded systems through its advanced features and low-voltage operation.

Packaging/Quantity

AT89LV55-12JI is typically packaged in reels or tubes, 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
• Communication Interfaces: UART, SPI, I2C

Detailed Pin Configuration

The AT89LV55-12JI microcontroller has a total of 44 pins. The pin configuration is as follows:

1. P1.0
2. P1.1
3. P1.2
4. P1.3
5. P1.4
6. P1.5
7. P1.6
8. P1.7
9. RST
10. P3.0
11. P3.1
12. P3.2
13. P3.3
14. P3.4
15. P3.5
16. P3.6
17. P3.7
18. XTAL1
19. XTAL2
20. GND
21. VCC
22. EA/VPP
23. ALE/PROG
24. PSEN
25. P2.7
26. P2.6
27. P2.5
28. P2.4
29. P2.3
30. P2.2
31. P2.1
32. P2.0
33. AVCC
34. ADC0
35. ADC1
36. ADC2
37. ADC3
38. ADC4
39. ADC5
40. ADC6
41. ADC7
42. PSEN
43. P3.0
44. P3.1

Functional Features

• Low-voltage operation allows for reduced power consumption and extended battery life.
• High-performance CMOS technology ensures fast and efficient execution of instructions.
• In-system programmability enables easy updates and modifications to the program code.
• Multiple I/O ports provide flexibility for interfacing with external devices.
• Timer/counter modules facilitate precise timing and event counting.
• Serial communication interface allows for seamless data exchange with other devices.

Advantages and Disadvantages

Advantages

• Low-voltage operation reduces power consumption.
• Flash memory allows for in-system programming and easy updates.
• Wide operating voltage range provides compatibility with various power sources.
• Multiple I/O ports offer flexibility in system design.
• High-performance CMOS technology ensures efficient execution of instructions.

Disadvantages

• Limited RAM size may restrict the complexity of applications.
• 8-bit architecture may not be suitable for certain high-performance applications.
• Limited number of timers/counters may limit the functionality in some cases.

Working Principles

AT89LV55-12JI operates based on the principles of microcontroller architecture. It executes instructions stored in its flash memory, interacts with external devices through I/O ports, and utilizes timers/counters for precise timing and event counting. The low-voltage operation ensures efficient power utilization, while the in-system programmability allows for easy updates and modifications to the program code.

Detailed Application Field Plans

AT89LV55-12JI finds extensive application in various fields, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Medical devices - Home appliances - Security systems

Its versatility and advanced features make it suitable for a wide range of embedded control applications.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT89LV55-12JI include: - ATmega328P by Atmel - PIC16F877A by Microchip - STM32F103C8T6 by STMicroelectronics - MSP430G2553 by Texas Instruments