사양
| 속성 | 가치 |
| Supplier | Renesas Electronics America Inc |
| Package | Tube |
| ProductStatus | Obsolete |
| Type | Programmable Timer |
| Frequency | 12MHz |
| Voltage-Supply | 4.5V ~ 5.5V |
| Current-Supply | 10 mA |
| OperatingTemperature | 0°C ~ 70°C |
| Package/Case | 24-DIP (0.600, 15.24mm) |
| SupplierDevicePackage | 24-PDIP |
개요
Description
The CP82C54-12Z is a high-performance programmable interval timer (PIT) chip, designed for use in a variety of microprocessor and microcontroller applications. It is commonly used for precise timing and event counting in computing systems. This chip features three independent 16-bit counters, each capable of operating in several modes to handle timing, event counting, and generating output signals. The CP82C54-12Z is compatible with the microprocessor data bus, making it easy to integrate into existing systems. Operating at a frequency of 12 MHz, it is capable of supporting high-speed operations. The chip is typically used in applications requiring accurate timing such as in embedded systems, real-time clocks, and complex digital systems. The CP82C54-12Z supports both binary and Binary Coded Decimal (BCD) counting, enhancing its versatility. This flexibility, combined with its compact design, makes it a valuable component in various industrial and commercial applications, where reliable and precise timing is essential.
Equivalent
The CP82C54-12Z is a programmable interval timer, and equivalent products include:
1. Intel 8254: A widely-used programmable interval timer, similar in design and functionality.
2. NEC µPD71054: Compatible with the 8254, offering similar capabilities.
3. Harris/Intersil 82C54: Another direct equivalent offering similar timing functions.
4. AMD AM9513: Although slightly different in features, it serves a similar purpose for timing applications.
These alternatives share comparable timing functionalities and pin configurations.
1. Intel 8254: A widely-used programmable interval timer, similar in design and functionality.
2. NEC µPD71054: Compatible with the 8254, offering similar capabilities.
3. Harris/Intersil 82C54: Another direct equivalent offering similar timing functions.
4. AMD AM9513: Although slightly different in features, it serves a similar purpose for timing applications.
These alternatives share comparable timing functionalities and pin configurations.
Features
The CP82C54-12Z is a programmable interval timer/counter designed for microprocessor-based systems. It features three independent 16-bit counters, each capable of a variety of interval timing, event counting, and pulse generation applications. These counters can be programmed for different operating modes, such as rate generator, square wave mode, software-triggered strobe, hardware-triggered strobe, and more. The device operates at a clock speed of up to 12 MHz, making it suitable for high-speed timing applications.
The CP82C54-12Z is compatible with the Intel 82C54, ensuring easy integration with existing systems that use this standard. It supports both binary and BCD counting, providing flexibility for different counting needs. The chip is constructed using CMOS technology, resulting in low power consumption. Additionally, the CP82C54-12Z comes in a 24-pin ceramic leadless chip carrier (CLCC) package, making it compact and suitable for space-constrained applications. Overall, the CP82C54-12Z provides a versatile and efficient solution for timing and counting functions in digital systems.
The CP82C54-12Z is compatible with the Intel 82C54, ensuring easy integration with existing systems that use this standard. It supports both binary and BCD counting, providing flexibility for different counting needs. The chip is constructed using CMOS technology, resulting in low power consumption. Additionally, the CP82C54-12Z comes in a 24-pin ceramic leadless chip carrier (CLCC) package, making it compact and suitable for space-constrained applications. Overall, the CP82C54-12Z provides a versatile and efficient solution for timing and counting functions in digital systems.
Pinout
The CP82C54-12Z is a programmable interval timer/counter IC used in various timing and counting applications. It is typically used for event counting, pulse generation, and time delay generation in a microprocessor environment. The device is an extended version of the Intel 8254 timer.
The CP82C54-12Z has a pin count of 24. Its primary functions include:
1. Clock Input (CLK): Inputs for each of the three timers.
2. Gate Input (GATE): Controls operation for each timer.
3. Output (OUT): Provides a timer output signal for each channel.
4. Data Bus (D0-D7): 8-bit bidirectional data bus for communication with the CPU.
5. Chip Select (CS): Activates the chip for data transfer.
6. Read/Write Control (RD, WR): Controls the read and write operations.
7. Address Lines (A0, A1): Selects which of the internal registers or counters is being accessed.
8. Ground (GND) and Power Supply (VCC): Standard power supply pins.
These features make the CP82C54-12Z suitable for precise timing control in embedded systems.
The CP82C54-12Z has a pin count of 24. Its primary functions include:
1. Clock Input (CLK): Inputs for each of the three timers.
2. Gate Input (GATE): Controls operation for each timer.
3. Output (OUT): Provides a timer output signal for each channel.
4. Data Bus (D0-D7): 8-bit bidirectional data bus for communication with the CPU.
5. Chip Select (CS): Activates the chip for data transfer.
6. Read/Write Control (RD, WR): Controls the read and write operations.
7. Address Lines (A0, A1): Selects which of the internal registers or counters is being accessed.
8. Ground (GND) and Power Supply (VCC): Standard power supply pins.
These features make the CP82C54-12Z suitable for precise timing control in embedded systems.
Manufacturer
The CP82C54-12Z is manufactured by Renesas Electronics Corporation. Renesas is a major Japanese semiconductor manufacturer known for producing microcontrollers, mixed-signal integrated circuits, and other semiconductor devices. The company serves a diverse range of industries, including automotive, industrial, consumer electronics, and information technology. Renesas is recognized for its innovations in power-efficient and high-performance solutions, catering to the evolving needs of modern electronic systems.
Application
The CP82C54-12Z is a programmable interval timer used in various applications that require precise timing and event counting. Common areas of application include:
1. Embedded Systems: Used for generating precise time delays or counting events.
2. Computing Systems: Employed in systems requiring timers for scheduling tasks or managing periodic interrupts.
3. Instrumentation: Utilized in measurement and testing equipment for accurate timing and frequency generation.
4. Industrial Automation: Applied in control systems for timing operations and event monitoring.
5. Communication Systems: Used for generating baud rates and timing signals for data transmission.
These applications leverage the CP82C54-12Z's capability to provide accurate and programmable timing solutions.
1. Embedded Systems: Used for generating precise time delays or counting events.
2. Computing Systems: Employed in systems requiring timers for scheduling tasks or managing periodic interrupts.
3. Instrumentation: Utilized in measurement and testing equipment for accurate timing and frequency generation.
4. Industrial Automation: Applied in control systems for timing operations and event monitoring.
5. Communication Systems: Used for generating baud rates and timing signals for data transmission.
These applications leverage the CP82C54-12Z's capability to provide accurate and programmable timing solutions.
Package
The CP82C54-12Z is typically available in a 24-pin Dual In-line Package (DIP). This type of packaging is commonly used for integrated circuits, providing a convenient form factor for through-hole mounting on circuit boards.