Pmod CLS: Character LCD with Serial Interface

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Flexible peripheral modules for all your designs Pmod™ devices are Digilent’s... more
Product information "Pmod CLS: Character LCD with Serial Interface"

Flexible peripheral modules for all your designs

Pmod™ devices are Digilent’s line of small I/O interface boards that offer an ideal way to extend the capabilities of programmable logic and embedded control boards. They allow sensitive signal conditioning circuits and high-power drive circuits to be placed where they are most effective - near sensors and actuators.

Pmod modules communicate with system boards using 6, 8, or 12-pin connectors that can carry multiple digital control signals, including SPI and other serial protocols. Pmod modules allow for more effective designs by routing analog signals and power supplies only where they are needed, and away from digital controller boards.

Overview Pmod CLS

The Pmod CLS is a character LCD module driven by the Atmel ATmega48 microcontroller. With a display size of 16x2 characters, users may display any information on the screen by communicating via SPI, I2C, or UART.

Note: There are two UART signal pin assignment conventions in use on Digilent products. This product uses the old signal assignment convention. Connecting a product using the old convention with one using the new convention requires the use of a UART Crossover Cable (not included). Click here for a more detailed explanation.


  • 16×2 liquid crystal character display
  • Wide range of instruction functions
  • Up to 32 user definable characters
  • Multiple communication options including UART, SPI, and I²C
  • Small PCB size for flexible designs at 1.8“ × 3.8” (4.6 cm × 9.7 cm)
  • Two 1×6-pin Pmod connectors with SPI and UART interfaces

Scope of Delivery

  • 1 x Pmod CLS

Pmod Hardware Compatibility Guide

Digilent's guide about determining hardware compatibility.


  • Manufacturer: Digilent Inc.
  • Manufacturer's article name: Pmod CLS: Character LCD with Serial Interface
  • Manufacturer's article number: 410-092


Other Digilent products are available on request.
Related links to "Pmod CLS: Character LCD with Serial Interface"
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