The SED1526FBA is a dot matrix LCD controller/driver LSI produced by Epson. It's intended to control and drive small to medium-sized LCD panels efficiently, presenting a cost-effective solution for alphanumeric and basic graphical displays. This chip integrates display RAM, a segment driver, and a common driver, reducing the need for external components and simplifying system design.
Applications
- Small character displays in consumer electronics products
- Instrumentation displays
- Simple message displays for industrial applications
- Handheld device LCD interface
- Point-of-sale terminals
Features
- Single-chip LCD controller/driver
- On-chip display RAM to store display data
- Integrated segment and common drivers
- Low power consumption, suitable for portable battery-powered devices
- Flexible interface options for connection to microcontrollers
- Supports various LCD panel sizes and resolutions
- Built-in character generator
Benefits
- Reduced system cost due to integrated functionality
- Simplified PCB layout and assembly
- Lower power consumption leading to extended battery life
- Compact design
- Easy integration with microcontrollers
- Reliable display performance
Additional Details
The SED1526FBA typically supports character display formats, such as 16 characters x 1 line or 8 characters x 2 lines. The driving capability and specific display format depend on the LCD panel being used. The chip generally operates on a low voltage supply, typically from 2.7V to 5.5V, making it compatible with a variety of microcontroller systems. The interface can be configured for either serial or parallel communication, providing flexibility in system design. It incorporates internal resistor bias generating voltage levels required for LCD driving. The controller incorporates an internal oscillator eliminating need for external clock. Display data is stored in internal RAM, which is accessed by the microcontroller to update the display content. Control commands allow for setting display mode, cursor position, and other display parameters. These chips are designed to work in wide temperature ranges.