CS82C55A96

Product Overview

• Category: Integrated Circuit (IC)
• Use: General Purpose Programmable Peripheral Interface
• Characteristics: Versatile, programmable, high-speed data transfer
• Package: 40-pin DIP (Dual In-line Package)
• Essence: Provides a flexible interface between microprocessors and various peripheral devices
• Packaging/Quantity: Available in tubes or trays, quantity varies based on supplier

Specifications

• Supply Voltage: 5V ±10%
• Operating Temperature: -40°C to +85°C
• Data Bus Width: 8-bit
• Address Bus Width: 16-bit
• Clock Frequency: Up to 8 MHz
• Number of I/O Ports: 24
• Interrupt Capability: Yes
• Timers/Counters: 3

Detailed Pin Configuration

The CS82C55A96 has a total of 40 pins. The pin configuration is as follows:

1. PA0 (I/O) | 21. PC7 (I/O) | 31. ALE (Input)
2. PA1 (I/O) | 22. PC6 (I/O) | 32. RD (Input)
3. PA2 (I/O) | 23. PC5 (I/O) | 33. WR (Input)
4. PA3 (I/O) | 24. PC4 (I/O) | 34. RESET (Input)
5. PA4 (I/O) | 25. PC3 (I/O) | 35. CLK (Input)
6. PA5 (I/O) | 26. PC2 (I/O) | 36. VCC (+5V)
7. PA6 (I/O) | 27. PC1 (I/O) | 37. GND (Ground)
8. PA7 (I/O) | 28. PC0 (I/O) | 38. INTA (Output)
9. PB0 (I/O) | 29. CS (Input) | 39. INTB (Output)
10. PB1 (I/O) | 30. A0 (Input) | 40. XTAL2 (Input)
11. PB2 (I/O) | - | -

Functional Features

• Programmable I/O Ports: Provides flexible configuration of input/output ports
• Interrupt Capability: Supports interrupt-driven data transfer for efficient communication
• Timers/Counters: Includes three timers/counters for various timing and counting applications
• Mode Selection: Offers different operating modes to suit specific requirements
• Data Transfer: Facilitates high-speed data transfer between microprocessors and peripherals

Advantages and Disadvantages

Advantages

• Versatility: Can be used in a wide range of applications due to its programmability
• Flexibility: Allows customization of I/O ports based on specific needs
• High-Speed Data Transfer: Enables efficient communication between microprocessors and peripherals
• Interrupt Capability: Enhances system responsiveness by supporting interrupt-driven operations

Disadvantages

• Limited I/O Ports: The number of available I/O ports may be insufficient for complex systems
• Compatibility: May not be compatible with all microprocessors or peripheral devices
• Power Consumption: Consumes power even when not actively transferring data

Working Principles

The CS82C55A96 acts as an interface between a microprocessor and peripheral devices. It allows the microprocessor to control and communicate with various peripherals through its programmable I/O ports. The device can be programmed to operate in different modes, enabling it to handle different types of data transfer and I/O configurations.

When a microprocessor sends commands or data to the CS82C55A96, it interprets these signals and performs the necessary actions based on its programming. It can handle both input and output operations, allowing bidirectional communication between the microprocessor and peripherals.

Detailed Application Field Plans

The CS82C55A96 finds applications in various fields where microprocessors need to communicate with peripheral devices. Some common application areas include:

1. Industrial Automation: Used in control systems for interfacing with sensors, actuators, and other industrial equipment.
2. Embedded Systems: Integrated into embedded systems for communication with external devices such as displays, keypads, and motors.
3. Communication Equipment: Employed in networking devices for managing data transfer between different network components.
4. Test and Measurement Instruments: Utilized in test equipment to interface with measurement sensors, switches, and other testing components.

Detailed and Complete Alternative Models

• Intel 8255A
• Motorola MC6821
• Zilog Z80PIO
• Texas Instruments SN74LS244

These alternative models offer similar functionality and can be used as substitutes for the CS82C55A