The Intersil CP82C52Z is a high-performance CMOS Universal Asynchronous Receiver/Transmitter (UART) designed for serial data communication. This UART offers a variety of features that make it suitable for a wide range of applications requiring reliable and efficient serial data transfer. Its CMOS construction ensures low power consumption, which is crucial for battery-powered devices and energy-conscious systems.

Applications

• Computer Serial Ports: Used in PCs and other computing devices for communication with peripherals.
• Modems: Implemented in modem devices to handle data transmission over telephone lines.
• Printers: Used for serial communication between computers and printers.
• Data Acquisition Systems: Incorporated into systems that collect data from sensors and instruments.
• Industrial Control Systems: Employed in industrial automation and control applications for serial communication between devices.
• Embedded Systems: Commonly found in embedded systems requiring serial data exchange.

Features

• CMOS Technology: Low power consumption for energy-efficient operation.
• Full Duplex Operation: Enables simultaneous transmission and reception of data.
• Programmable Baud Rate Generator: Allows flexible selection of baud rates for different communication speeds.
• Parity Generation and Checking: Supports parity options (even, odd, none) for error detection.
• Programmable Data Length: Supports data lengths of 5, 6, 7, or 8 bits.
• Stop Bit Selection: Allows the selection of 1 or 2 stop bits.
• Interrupt Control: Provides interrupt outputs for signaling various events.
• Internal Diagnostics: Includes loopback testing for self-diagnosis.

Benefits

• Reduced Power Consumption: CMOS design minimizes power requirements, extending battery life in portable devices.
• Versatile Communication: Supports a wide range of baud rates, data lengths, and parity options, accommodating diverse communication protocols.
• Reliable Data Transfer: Parity checking ensures data integrity by detecting transmission errors.
• Easy Integration: Standard serial interface simplifies integration into existing systems.
• Efficient Data Handling: Full-duplex operation enables simultaneous data transmission and reception, maximizing throughput.
• Enhanced System Reliability: Internal diagnostics allows for self-testing and fault detection.

Additional Details

The CP82C52Z operates from a single 5V power supply. It is typically packaged in a DIP (Dual In-Line Package) or other surface-mount packages. Its pinout includes transmit and receive data lines, control signals, and status indicators. The UART's internal registers are accessed through a parallel interface, enabling easy programming and configuration by a microprocessor or microcontroller. Its robust design and comprehensive feature set make it a reliable solution for serial communication applications.