The NXP PCF8579H/1 is a versatile and powerful LCD driver designed to meet the needs of complex user-interface applications. This highly integrated device can drive up to 160 segments and is ideal for use in systems that require high-quality alphanumeric or graphical displays.

Key Features

• Segment Drive Capability: The PCF8579H/1 can drive up to 160 LCD segments, offering designers flexibility in creating various display patterns and sizes.
• Multiplex Rates: Supports multiple multiplex rates, including static, 1/2, 1/3, and 1/4 duty, providing options for different types of displays and power consumption requirements.
• Interface Options: Features an I²C-bus interface for communication, which simplifies the connection to microcontrollers and allows for easy integration into existing systems.
• Low Power Consumption: Designed with power efficiency in mind, it is suitable for battery-operated devices where power conservation is crucial.
• Extended Temperature Range: Operates over an extended temperature range, making it suitable for applications that are exposed to harsh environments.
• Flexible Voltage Operation: The device can operate at various voltages, accommodating different system power supplies.
• Font Table: Comes with an on-chip font table for easy character generation, reducing the processing load on the host microcontroller.

Applications

The PCF8579H/1 is designed for a wide range of applications that require high-resolution LCD displays. It is commonly used in:

• Automotive displays
• Industrial control interfaces
• Medical equipment
• Home appliances
• Consumer electronics

Technical Specifications

The device supports a variety of display configurations and features, including:

• Display data RAM for smooth information updates
• On-chip oscillator requiring only an external resistor
• Multiple display modes (normal, partial, or off) for power saving
• Software configuration for easy customization

With its robust feature set and flexibility, the NXP PCF8579H/1 LCD driver is an excellent choice for developers looking to create advanced, user-friendly interfaces with LCD displays.