Overview
The PCF8577CT/3112, produced by NXP USA Inc., is an advanced LCD driver designed to drive up to 32 segments directly or 64 segments in a duplex configuration. This component features a two-line I²C-bus interface, which significantly reduces wiring overhead in remote display applications. The I²C-bus interface also includes automatic address incrementing, hardware subaddressing, and display memory switching to minimize I²C-bus traffic in multiple IC applications.
Key Specifications
| Parameter | Description |
|---|---|
| Segments Driven | Up to 32 segments directly, or 64 segments in duplex configuration |
| Interface | Two-line I²C-bus interface |
| Package Type | 40-VSOP (Very Small Outline Package) |
| ESD Protection | ESD protection system on SCL and SDA pins without diode connected to VDD |
| Shutdown Capability | Partial VDD shutdown |
Key Features
The PCF8577CT/3112 boasts several key features that make it highly suitable for various display applications. These include:
- I²C-Bus Interface: Reduces wiring overhead and minimizes I²C-bus traffic through automatic address incrementing, hardware subaddressing, and display memory switching.
- Segment Driving Capability: Can drive up to 32 segments directly or 64 segments in a duplex configuration.
- ESD Protection: ESD protection system on SCL and SDA pins without a diode connected to VDD, allowing for partial VDD shutdown.
- Compact Packaging: Available in a 40-VSOP package, making it suitable for space-constrained designs.
Applications
The PCF8577CT/3112 is designed for use in a variety of display applications, including:
- Remote Displays: The I²C-bus interface makes it ideal for remote display applications where wiring overhead needs to be minimized.
- Multi-IC Applications: Suitable for systems requiring multiple ICs, thanks to its automatic address incrementing and hardware subaddressing features.
- Low-Power Displays: The partial VDD shutdown capability makes it suitable for low-power display applications.
Q & A
- What is the PCF8577CT/3112 used for?
The PCF8577CT/3112 is an LCD driver used to drive up to 32 segments directly or 64 segments in a duplex configuration.
- What type of interface does the PCF8577CT/3112 use?
The PCF8577CT/3112 uses a two-line I²C-bus interface.
- What is the package type of the PCF8577CT/3112?
The PCF8577CT/3112 is available in a 40-VSOP package.
- Does the PCF8577CT/3112 have ESD protection?
Yes, the PCF8577CT/3112 has ESD protection on the SCL and SDA pins without a diode connected to VDD.
- Can the PCF8577CT/3112 be partially shut down?
Yes, the PCF8577CT/3112 supports partial VDD shutdown.
- What are the key features of the I²C-bus interface in the PCF8577CT/3112?
The I²C-bus interface includes automatic address incrementing, hardware subaddressing, and display memory switching to minimize I²C-bus traffic.
- What types of applications is the PCF8577CT/3112 suitable for?
The PCF8577CT/3112 is suitable for remote display applications, multi-IC applications, and low-power display applications.
- How does the PCF8577CT/3112 reduce wiring overhead?
The PCF8577CT/3112 reduces wiring overhead through its two-line I²C-bus interface, which minimizes the need for extensive wiring in remote display applications.
- What is the significance of hardware subaddressing in the PCF8577CT/3112?
Hardware subaddressing in the PCF8577CT/3112 helps in managing multiple ICs efficiently by reducing the complexity of addressing each IC individually.
- Where can I find detailed documentation for the PCF8577CT/3112?
Detailed documentation, including the full data sheet, can be obtained from the NXP Semiconductors sales office or through their official website.
