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CP82C54-12
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CP82C54-12

Product Overview

Category

CP82C54-12 belongs to the category of programmable interval timers.

Use

The CP82C54-12 is primarily used for timing and counting applications in various electronic systems.

Characteristics

  • Programmable: The CP82C54-12 allows users to program the timer according to their specific requirements.
  • Versatile: It can be used in a wide range of applications due to its flexible programming capabilities.
  • High Accuracy: The timer provides precise timing and counting functions.
  • Reliable: The CP82C54-12 is known for its reliability and durability.
  • Compact Package: It comes in a compact package, making it suitable for space-constrained designs.

Package

The CP82C54-12 is available in a standard 28-pin dual in-line package (DIP).

Essence

The essence of CP82C54-12 lies in its ability to provide accurate and programmable timing and counting functions.

Packaging/Quantity

The CP82C54-12 is typically packaged in tubes or trays. The quantity per package varies depending on the manufacturer's specifications.

Specifications

  • Supply Voltage: 5V
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 12 MHz
  • Number of Timers: 3
  • Timer Modes: 6 modes (including square wave generation, event counting, and pulse width modulation)
  • Timer Resolution: 1 microsecond

Detailed Pin Configuration

The CP82C54-12 has a total of 28 pins. The pin configuration is as follows:

  1. GND (Ground)
  2. CLK (Clock Input)
  3. OUT0 (Timer 0 Output)
  4. GATE0 (Timer 0 Gate Input)
  5. OUT1 (Timer 1 Output)
  6. GATE1 (Timer 1 Gate Input)
  7. OUT2 (Timer 2 Output)
  8. GATE2 (Timer 2 Gate Input)
  9. VCC (+5V Power Supply)
  10. A0 (Address Input 0)
  11. A1 (Address Input 1)
  12. A2 (Address Input 2)
  13. RD (Read Input)
  14. WR (Write Input)
  15. CS (Chip Select Input)
  16. RESET (Reset Input)
  17. D0 (Data Bus Bit 0)
  18. D1 (Data Bus Bit 1)
  19. D2 (Data Bus Bit 2)
  20. D3 (Data Bus Bit 3)
  21. D4 (Data Bus Bit 4)
  22. D5 (Data Bus Bit 5)
  23. D6 (Data Bus Bit 6)
  24. D7 (Data Bus Bit 7)
  25. INT (Interrupt Output)
  26. HOLD (Hold Input)
  27. HLDA (Hold Acknowledge Output)
  28. READY (Ready Output)

Functional Features

The CP82C54-12 offers the following functional features:

  1. Programmable Timer Modes: The timer can be programmed to operate in various modes, including square wave generation, event counting, and pulse width modulation.
  2. Interrupt Capability: It supports interrupt generation based on specific timing events.
  3. Cascading: Multiple CP82C54-12 timers can be cascaded to extend the available timer channels.
  4. Read/Write Control: The timer can be controlled through read and write operations for programming and status retrieval.

Advantages and Disadvantages

Advantages

  • Versatile functionality for a wide range of applications.
  • High accuracy and reliability.
  • Compact package size.
  • Support for interrupt-driven operations.

Disadvantages

  • Limited number of timers compared to some other timer ICs.
  • Requires external clock source for operation.

Working Principles

The CP82C54-12 operates based on a programmable counter/timer concept. It uses an internal clock or an externally provided clock signal to increment its counters. The programmed mode determines how the counters are utilized and how the output signals are generated. The timers can be programmed using the address and data bus, allowing users to define specific timing intervals and functions.

Detailed Application Field Plans

The CP82C54-12 finds applications in various fields, including:

  1. Industrial Automation: Used for precise timing and synchronization of industrial processes.
  2. Telecommunications: Timer functions are utilized for signaling and synchronization purposes.
  3. Embedded Systems: Provides timing capabilities for microcontroller-based systems.
  4. Test and Measurement Equipment: Used for generating accurate time intervals and event counting.
  5. Robotics: Timer functions are employed for controlling robot movements and coordination.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to CP82C54-12 include:

  1. Intel 8253: A widely used programmable interval timer with three independent channels.
  2. Motorola

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi CP82C54-12 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of CP82C54-12 in technical solutions:

  1. Q: What is CP82C54-12? A: CP82C54-12 is a programmable interval timer (PIT) chip commonly used in technical solutions for timing and synchronization purposes.

  2. Q: What are the main features of CP82C54-12? A: The main features of CP82C54-12 include three independent 16-bit counters, six operating modes, and programmable clock sources.

  3. Q: How can CP82C54-12 be used in technical solutions? A: CP82C54-12 can be used for various applications such as event counting, frequency generation, pulse width modulation, and timekeeping.

  4. Q: Can CP82C54-12 be used in microcontroller-based systems? A: Yes, CP82C54-12 can be easily interfaced with microcontrollers through its parallel I/O ports or by using appropriate communication protocols.

  5. Q: What are the different operating modes of CP82C54-12? A: The six operating modes of CP82C54-12 are square wave generator, software-triggered strobe, hardware-triggered strobe, rate generator, square wave generator with one-shot pulse, and square wave generator with square wave output.

  6. Q: How can I program CP82C54-12 for specific timing requirements? A: CP82C54-12 can be programmed by writing appropriate values to its control registers, which define the desired mode, clock source, and other parameters.

  7. Q: Can CP82C54-12 generate interrupts? A: Yes, CP82C54-12 has interrupt capabilities that can be used to trigger specific actions in response to timing events.

  8. Q: What is the maximum clock frequency supported by CP82C54-12? A: CP82C54-12 can support clock frequencies up to 10 MHz, allowing for precise timing and synchronization in technical solutions.

  9. Q: Can CP82C54-12 be cascaded with other timer chips? A: Yes, multiple CP82C54-12 chips can be cascaded together to increase the number of available timers or to achieve more complex timing configurations.

  10. Q: Is CP82C54-12 still widely available in the market? A: While CP82C54-12 may not be as commonly used as it once was, it is still available from various suppliers and can be sourced for most technical applications.

Please note that these answers are general and may vary depending on specific implementation details and requirements.