PCA8547BHT/AY

Product Overview

Category

The PCA8547BHT/AY belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for display control in various electronic devices.

Characteristics

• The PCA8547BHT/AY is a highly versatile and efficient display controller.
• It offers advanced features for controlling different types of displays.
• This IC supports multiple display formats, including alphanumeric and graphical displays.
• It provides excellent compatibility with various microcontrollers and other peripheral devices.

Package

The PCA8547BHT/AY is available in a compact and industry-standard package.

Essence

The essence of the PCA8547BHT/AY lies in its ability to provide seamless control and management of displays in electronic devices.

Packaging/Quantity

This IC is typically packaged in reels or tubes, depending on the manufacturer's specifications. The quantity per package may vary, but it is usually supplied in bulk quantities suitable for mass production.

Specifications

The following are the key specifications of the PCA8547BHT/AY:

• Supply Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Display Type Support: Alphanumeric and Graphical
• Communication Interface: I2C (Inter-Integrated Circuit)
• Maximum Display Segments: 256
• Maximum Display Commons: 16
• Built-in Memory: 4KB
• Integrated Oscillator: Yes
• Low Power Consumption: Yes

Detailed Pin Configuration

The PCA8547BHT/AY has a total of 48 pins. The pin configuration is as follows:

1. VDD - Power supply voltage
2. VSS - Ground
3. SDA - Serial data line (I2C)
4. SCL - Serial clock line (I2C)
5. RESET - Reset pin
6. INT - Interrupt output
7. A0-A3 - Address select pins
8. CS1-CS4 - Chip select pins 9-48. Segment and common pins (detailed configuration available in the datasheet)

Functional Features

The PCA8547BHT/AY offers the following functional features:

• Display control for alphanumeric and graphical displays
• Built-in character generator ROM
• Programmable display patterns and fonts
• Brightness control
• Blinking and scrolling effects
• Multiple display modes
• Integrated oscillator for accurate timing
• Low power consumption modes for energy efficiency
• Interrupt capability for event-driven applications

Advantages and Disadvantages

Advantages

• Versatile display control capabilities
• Wide range of supported display formats
• Compatibility with various microcontrollers and peripheral devices
• Efficient power management options
• Flexible programming options for custom display patterns
• Integrated oscillator for precise timing

Disadvantages

• Limited maximum display segments and commons
• Relatively small built-in memory capacity
• Requires additional external components for complete display system implementation

Working Principles

The PCA8547BHT/AY operates by receiving commands and data through the I2C interface from a microcontroller or other controlling device. It interprets these commands to control the display behavior, such as showing specific characters, graphics, or animations. The integrated oscillator ensures accurate timing for synchronized display updates. The IC also provides various configuration options for brightness, blinking, scrolling, and other visual effects.

Detailed Application Field Plans

The PCA8547BHT/AY finds extensive application in various electronic devices that require display control. Some of the key application fields include:

1. Consumer Electronics:

   • Mobile phones
   • Smartwatches
   • Portable gaming devices
   • Digital cameras

2. Automotive:

   • Car infotainment systems
   • Dashboard displays
   • Head-up displays

3. Industrial Control Systems:

   • Human-machine interfaces (HMIs)
   • Control panels
   • Instrumentation displays

4. Medical Devices:

   • Patient monitors
   • Diagnostic equipment
   • Medical imaging displays

Detailed and Complete Alternative Models

Some alternative models to the PCA8547BHT/AY that offer similar functionality and features include:

1. PCA8539BHT/AY
2. PCF8576CU/3,518
3. MAX7219CNG+
4. HT16K33V20SOIC

These alternative models can be considered based on specific project requirements, availability, and cost considerations.

In conclusion, the PCA8547BHT/AY is a highly capable display controller IC that offers versatile display control capabilities for various electronic devices. Its advanced features, compatibility, and efficient power management make it a popular choice in multiple application fields.