Overview
The PCF8576CT/1,112 is a universal LCD driver produced by NXP USA Inc. This integrated circuit is designed to interface with a wide range of Liquid Crystal Displays (LCDs), particularly those with low multiplex rates. It is a versatile peripheral device that can be used with various microcontrollers to drive static or multiplexed LCDs containing up to four backplanes and up to 40 segments.
Key Specifications
| Parameter | Description |
|---|---|
| Package Type | 56-VSO (Very Small Outline) |
| Number of Backplanes | Up to 4 |
| Number of Segments | Up to 40 |
| Display Configurations | 7-segment, 14-segment, dot matrix |
| Communication Interface | I2C-bus (two-line bidirectional) |
| Supply Voltage Range | From 2 V to 6 V |
| Power Consumption | Low power consumption with power-saving mode |
| Display RAM | 40 x 4-bit RAM for display data storage |
| Cascading Capability | Can be cascaded for large LCD applications (up to 2560 elements) |
Key Features
- Single-chip LCD controller and driver
- Supports up to twenty 7-segment alphanumeric characters, ten 14-segment alphanumeric characters, or any graphics of up to 160 elements
- Versatile blinking modes
- No external components required
- Selectable backplane drive configuration: static, 2, 3, or 4 backplane multiplexing
- Selectable display bias configuration: static, 1/2, or 1/3
- Internal LCD bias generation with voltage-follower buffers
- Auto-incremented display data loading across device subaddress boundaries
- Display memory bank switching in static and duplex drive modes
- Optimized pinning for plane wiring in both single and multiple PCF8576C applications
Applications
The PCF8576CT/1,112 is suitable for a variety of applications, including:
- Static or multiplexed LCD displays in consumer electronics
- Industrial control panels and displays
- Automotive displays
- Telecommunication devices
- Battery-operated devices requiring low power consumption
Q & A
- What is the PCF8576CT/1,112 used for?
The PCF8576CT/1,112 is a universal LCD driver used to interface with and drive various types of LCD displays. - What types of LCD displays can the PCF8576CT/1,112 support?
It can support static or multiplexed LCDs with up to four backplanes and up to 40 segments. - What communication interface does the PCF8576CT/1,112 use?
The PCF8576CT/1,112 communicates via the two-line bidirectional I2C-bus. - What is the supply voltage range for the PCF8576CT/1,112?
The supply voltage range is from 2 V to 6 V. - Does the PCF8576CT/1,112 require external components?
No, the PCF8576CT/1,112 does not require external components, even in multiple device applications. - Can the PCF8576CT/1,112 be cascaded for larger LCD applications?
Yes, it can be cascaded for large LCD applications, supporting up to 2560 elements. - What are the power consumption characteristics of the PCF8576CT/1,112?
The PCF8576CT/1,112 has low power consumption with a power-saving mode for extremely low power consumption in battery-operated devices. - What display configurations are supported by the PCF8576CT/1,112?
It supports 7-segment, 14-segment, and dot matrix display configurations. - How does the PCF8576CT/1,112 handle display data storage?
It uses 40 x 4-bit RAM for display data storage with auto-incremented addressing. - What are some common applications of the PCF8576CT/1,112?
Common applications include consumer electronics, industrial control panels, automotive displays, telecommunication devices, and battery-operated devices.
