Overview
The PCF2111CT/1 is a single-chip, silicon gate CMOS LCD driver circuit produced by NXP Semiconductors (previously part of Freescale Semiconductor). This device is part of the PCF21xxC family, designed to drive LCD displays efficiently. It features a 3-line bus (C-bus) structure that enables serial data transfer with microcontrollers, making it suitable for various display applications.
Key Specifications
| Specification | Value |
|---|---|
| Supply Voltage | 2.25 V to 6.0 V |
| Current Consumption | Low current consumption |
| Serial Data Input | Yes, via C-bus |
| Oscillator | One-point built-in oscillator |
| LCD Segments | 64 segments |
| Multiplex Rate | 1:2 |
| Word Length | 34 bits |
| Package Type | 40-pin VSOP (Very Small Outline Package) |
| LCD Frequency | 60 Hz to 100 Hz |
Key Features
- Supply voltage range: 2.25 V to 6.0 V
- Low current consumption for power efficiency
- Serial data input via a 3-line C-bus structure for easy communication with microcontrollers
- One-point built-in oscillator for simplified design
- Supports 64 LCD segments with a multiplex rate of 1:2
- 34-bit word length for detailed display control
- Stand-alone or expanded system capability
- Power-on reset clear for reliable startup
Applications
The PCF2111CT/1 is suitable for a variety of LCD display applications, including:
- Portable electronic devices such as calculators, watches, and fitness trackers
- Industrial control panels and displays
- Automotive displays and instrument clusters
- Medical devices and equipment
- Consumer electronics such as remote controls and home appliances
Q & A
- What is the supply voltage range of the PCF2111CT/1?
The supply voltage range is 2.25 V to 6.0 V.
- How many LCD segments does the PCF2111CT/1 support?
The PCF2111CT/1 supports 64 LCD segments.
- What is the multiplex rate of the PCF2111CT/1?
The multiplex rate is 1:2.
- Does the PCF2111CT/1 have a built-in oscillator?
Yes, it has a one-point built-in oscillator.
- What is the word length of the PCF2111CT/1?
The word length is 34 bits.
- What type of package does the PCF2111CT/1 come in?
The PCF2111CT/1 comes in a 40-pin VSOP (Very Small Outline Package).
- What is the typical LCD frequency range of the PCF2111CT/1?
The typical LCD frequency range is 60 Hz to 100 Hz.
- Is the PCF2111CT/1 suitable for low-power applications?
Yes, it has low current consumption, making it suitable for low-power applications.
- Can the PCF2111CT/1 be used in stand-alone or expanded systems?
Yes, it can be used in both stand-alone and expanded systems.
- Does the PCF2111CT/1 have a power-on reset clear feature?
Yes, it has a power-on reset clear feature for reliable startup.
