CS82C55A-5

Product Overview

Category

The CS82C55A-5 belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a programmable peripheral interface in various electronic devices.

Characteristics

• The CS82C55A-5 is known for its versatility and flexibility in interfacing with different peripherals.
• It offers multiple modes of operation, making it suitable for a wide range of applications.
• This IC provides efficient data transfer between the microprocessor and external devices.

Package

The CS82C55A-5 is typically available in a 40-pin DIP (Dual In-line Package) format.

Essence

The essence of CS82C55A-5 lies in its ability to facilitate communication between a microprocessor and external devices through programmable I/O ports.

Packaging/Quantity

This IC is usually packaged individually and is commonly available in quantities of one or more.

Specifications

The CS82C55A-5 has the following specifications:

• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 8 MHz
• Number of I/O Ports: 24
• Number of Operating Modes: 3 (Mode 0, Mode 1, Mode 2)

Detailed Pin Configuration

The CS82C55A-5 has a total of 40 pins. Here is the detailed pin configuration:

1. PA0
2. PA1
3. PA2
4. PA3
5. PA4
6. PA5
7. PA6
8. PA7
9. GND
10. PB0
11. PB1
12. PB2
13. PB3
14. PB4
15. PB5
16. PB6
17. PB7
18. PC0
19. PC1
20. PC2
21. PC3
22. PC4
23. PC5
24. PC6
25. PC7
26. VCC
27. RD
28. WR
29. CS
30. A0
31. A1
32. A2
33. RESET
34. CLK
35. GND
36. INTA
37. INTB
38. INTC
39. INTD
40. VCC

Functional Features

The CS82C55A-5 offers the following functional features:

• Three operating modes: Mode 0, Mode 1, and Mode 2.
• Programmable I/O ports for versatile interfacing with external devices.
• Interrupt capability for efficient handling of asynchronous events.
• Bidirectional data transfer between microprocessor and peripherals.
• Control signals for read, write, and chip select operations.

Advantages and Disadvantages

Advantages

• Versatile and flexible in interfacing with different peripherals.
• Efficient data transfer between microprocessor and external devices.
• Interrupt capability for handling asynchronous events.
• Multiple operating modes for diverse applications.

Disadvantages

• Limited number of I/O ports (24) compared to some other ICs.
• Requires careful programming to ensure proper functionality.

Working Principles

The CS82C55A-5 operates by receiving commands from the microprocessor and executing them to perform specific tasks. It communicates with external devices through its programmable I/O ports, allowing data transfer in both directions. The interrupt capability enables the IC to handle asynchronous events efficiently.

Detailed Application Field Plans

The CS82C55A-5 finds applications in various fields, including but not limited to:

1. Industrial automation systems
2. Robotics
3. Communication equipment
4. Test and measurement instruments
5. Data acquisition systems

Detailed and Complete Alternative Models

Some alternative models to the CS82C55A-5 that offer similar functionality are:

1. Intel 8255
2. Motorola MC6821
3. Zilog Z80PIO
4. NEC uPD71054
5. AMD Am9511

These alternative models can be considered based on specific requirements and compatibility with the target system.

In conclusion, the CS82C55A-5 is a versatile programmable peripheral interface IC used in various electronic devices. Its flexible nature, multiple operating modes, and efficient data transfer capabilities make it suitable for diverse applications. However, its limited number of I/O ports and the need for careful programming should be taken into consideration.