LCD Character Display Driver LabVIEW FPGA Driver for HD44780-Compatible Displays

  • Works with single-chip modules up to 4x20 or cascaded to 4x40 characters
  • NI LabVIEW FPGA and LabVIEW Real-Time API provided
  • Requires LabVIEW FPGA-enabled target with 8 or 12 digital I/O lines
  • Scalable implementation for 1 or more displays connected in parallel
  • Compatibility with both 4- and 8-bit data bus displays
  • Supported in LabVIEW 2010 and later
  • Download
This code library includes NI LabVIEW FPGA code for a communication engine to HD44780-based character LCDs. The driver supports APIs from both the LabVIEW Real-Time and LabVIEW FPGA modules to the communication engine. The HD44780 command set is common across the majority of character LCD modules.

This driver uses field-programmable gate array (FPGA) digital I/O lines to communicate with LCD modules. Depending on the display bus width, the driver needs 8 or 12 FPGA digital I/O lines. NI Single-Board RIO, NI R Series multifunction reconfigurable I/O (RIO), and NI CompactRIO (with NI 9403 module) hardware work with this driver.

Support Information
Website: www.forums.ni.com

Disclaimer: This driver is not currently supported and is provided as is.

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