NXP PCA9564PW/G - I²C-bus controller

The NXP PCA9564PW/G is a sophisticated I²C-bus controller that serves as an interface between most standard parallel-bus microcontrollers/microprocessors and the serial I²C-bus. This device allows for seamless communication with I²C-bus compatible devices through its parallel interface, providing a versatile solution for expanding system control and flexibility.

Key Features

• Interface: The PCA9564PW/G offers a parallel-bus to I²C-bus protocol converter and interface, facilitating easy communication with I²C devices.
• Operating Voltage: It operates over a wide supply voltage range from 2.3V to 3.6V, making it suitable for various applications and system designs.
• Speed: This device supports both the standard (100 kHz) and fast (400 kHz) I²C-bus modes, providing flexibility in speed requirements for different applications.
• Interrupt Function: An interrupt output is available, which can be configured to alert the host controller of the status of the I²C-bus, enhancing system efficiency and response times.
• Package: The PCA9564PW/G comes in a TSSOP20 package, offering a compact footprint for space-constrained applications.

Applications

The PCA9564PW/G is designed for a variety of applications where an I²C-bus needs to be driven via a parallel interface. This includes systems where the main controller lacks an I²C-bus interface, or where multiple I²C-buses are required. Applications span across consumer electronics, telecommunications, and industrial control systems.

Design and Integration

Integrating the PCA9564PW/G into a system design is straightforward, thanks to its simple parallel interface and hardware configuration options. The device's programmable interrupt output allows for efficient data management and system alerts, while its small package size ensures it can be easily fitted into a range of designs without significantly impacting the overall footprint.

Overall, the NXP PCA9564PW/G is an exceptional choice for designers looking to implement an I²C-bus interface within their systems, offering reliability, flexibility, and ease of use.