Overview
The PCF8562TT/S400/2,5 is a universal LCD driver designed by NXP Semiconductors to interface with a wide range of Liquid Crystal Displays (LCDs) that operate at low multiplex rates. This peripheral device is capable of generating drive signals for both static and multiplexed LCDs, making it highly versatile for various display configurations. It is compatible with most microcontrollers and communicates via a two-line bidirectional I2C-bus, minimizing communication overhead through features like display RAM with auto-incremented addressing and hardware subaddressing.
Key Specifications
| Parameter | Description |
|---|---|
| Package | TSSOP48 |
| Supply Voltage (VDD) | 1.8 V to 5.5 V |
| LCD Supply Voltage (VLCD) | 2.5 V to 6.5 V |
| I2C-Bus Interface | 400 kHz |
| Backplane Drive Configuration | Static, 2, 3, or 4 backplane multiplexing |
| Display Bias Configuration | Static, 1⁄2, or 1⁄3 |
| Segment Drives | Up to 32 segment drives |
| Display RAM | 32 × 4-bit RAM for display data storage |
| Environmental Compliance | AEC-Q100 compliant (for automotive applications), PbFree, EU RoHS, Halogen Free |
Key Features
- Single chip LCD controller and driver
- 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
- Supports up to sixteen 7-segment numeric characters, eight 14-segment alphanumeric characters, or any graphics of up to 128 elements
- Auto-incremented display data loading across device subaddress boundaries
- Display memory bank switching in static and duplex drive modes
- Versatile blinking modes
- Independent supplies possible for LCD and logic voltages
- Low power consumption
- No external components required
- Manufactured in silicon gate CMOS process
Applications
The PCF8562TT/S400/2,5 is suitable for a variety of applications, including:
- Automotive displays (AEC-Q100 compliant)
- Industrial control panels
- Consumer electronics with LCD displays
- Medical devices with LCD interfaces
- Any system requiring a versatile and efficient LCD driver
Q & A
- What is the PCF8562TT/S400/2,5 used for?
The PCF8562TT/S400/2,5 is a universal LCD driver used to interface with and drive various types of Liquid Crystal Displays (LCDs) with low multiplex rates.
- What are the key features of the PCF8562TT/S400/2,5?
Key features include selectable backplane and display bias configurations, internal LCD bias generation, auto-incremented display data loading, and versatile blinking modes.
- What is the power supply range for the PCF8562TT/S400/2,5?
The device operates with a supply voltage (VDD) range of 1.8 V to 5.5 V and an LCD supply voltage (VLCD) range of 2.5 V to 6.5 V.
- Is the PCF8562TT/S400/2,5 compliant with automotive standards?
Yes, it is AEC-Q100 compliant, making it suitable for automotive applications.
- How does the PCF8562TT/S400/2,5 communicate with microcontrollers?
The device communicates via a 400 kHz two-line bidirectional I2C-bus.
- What types of LCDs can the PCF8562TT/S400/2,5 drive?
The PCF8562TT/S400/2,5 can drive static or multiplexed LCDs containing up to four backplanes and up to 32 segments.
- Does the PCF8562TT/S400/2,5 require external components?
No, the device does not require any external components.
- What is the environmental compliance status of the PCF8562TT/S400/2,5?
The device is PbFree, EU RoHS compliant, and Halogen Free.
- What are some common applications for the PCF8562TT/S400/2,5?
Common applications include automotive displays, industrial control panels, consumer electronics, and medical devices.
- How many segment drives does the PCF8562TT/S400/2,5 support?
The device supports up to 32 segment drives.
