Product Overview: NXP PCD8584P I2C-bus controller

The NXP PCD8584P is a silicon gate CMOS device that serves as an interface between most standard parallel-bus microcontrollers/microprocessors and the serial I²C-bus. Designed to facilitate easy and robust communication between components, this controller is ideal for applications where a parallel to serial data conversion is required.

Key Features

• Compatibility: The PCD8584P is compatible with the I²C-bus standard, allowing for seamless integration with other I²C-bus compatible components.
• Operating Voltage: It operates over a wide range of supply voltages from 4.5 V to 6 V, making it versatile for various system requirements.
• Data Rate: Supports serial data transfer rates up to 100 kbit/s, ensuring efficient communication between devices.
• Parallel-Bus Interface: The device includes an 8-bit quasi-bidirectional I/O port for parallel data transfer, which can be directly connected to the microprocessor bus.
• Programmable: The PCD8584P allows for programmable control through software, including the initialization of the I²C-bus serial clock (SCL).
• Interrupt Function: It features an interrupt output that can be used to indicate the status of the I²C-bus to the host microcontroller, improving system response and efficiency.

Applications

The NXP PCD8584P is widely used in systems that require a microcontroller to communicate with multiple devices over a serial bus. Common applications include:

• Embedded systems
• Consumer electronics
• Telecommunications
• Computer peripherals
• Industrial control systems

Quality and Reliability

NXP Semiconductors is known for its commitment to quality and reliability, and the PCD8584P is no exception. This I2C-bus controller is designed to meet the rigorous standards of the semiconductor industry, ensuring stable and reliable performance in a wide range of environments and applications.