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ROHM RCM2034R Data Sheet

Summary

This compact RCM2034R LCD Module is a high-contrast, 16x1 character display featuring an integrated controller and built-in LSI. Designed for applications ranging from personal computers to embedded systems, it provides reliable text status updates via simple 4-bit or 8-bit interfacing. The comprehensive manual covers all necessary technical details, including electrical specifications, precise timing charts, pin functions, reset procedures, and detailed instructions for seamless integration into your hardware design.

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Liquid crystal displays 查询RCM2034R供应商

16 characters1 line reflective character module RCM2034R The RCM2034R is a reflective TN type liquid crystal module with a built-in controller /driver LSI and a display capacity of 16 characters  1 line. Applications Personal computers, word processors, facsimiles, telephones, etc. Features

1) Wide viewing angle and high contrast. 6) Abundant instruction set including clear display, cur- 2) 57 dot character matrix with cursor. sor on /off, and character blinking. 3) Interfaces with 4-bit or 8-bit MPUs. 7) Compact and light weight for easy assembly to the 4) Displays up to 226 characters and special symbols. host instrument. 5) Custom character patterns are displayed with the 8) Operable on single 5 V power supply. character RAM. 9) Low power consumption.

External dimensions (Units: mm)

Page Summary Contents For ROHM RCM2034R Data Sheet

Page 1 Liquid crystal displays 查询RCM2034R供应商 16 characters1 line reflective character module RCM2034R The RCM2034R is a reflective TN type liquid crystal module with a built-in controller /driver LSI and a ...
Page 2 Liquid crystal displays RCM2034R Block diagram Pin assignments Power supply example Absolute maximum ratings (Ta = 25C)
Page 3 Liquid crystal displays RCM2034R Electrical characteristics (VDD = 5.0 V ± 0.25 V, Ta = 25C) Optical characteristics (Ta = 25C, φ = 0)
Page 4 Liquid crystal displays RCM2034R Timing chart (1) Writing (2) Reading
Page 5 Liquid crystal displays RCM2034R Pin functions
Page 6 Liquid crystal displays RCM2034R Instructions
Page 7 Liquid crystal displays RCM2034R Character code and corresponding character pattern
Page 8 Liquid crystal displays RCM2034R Reset function When you turn the power supply on using the internal re- set circuit, the module automatically returns to its initial (reset) settings. At the initial s...

Manual Details

Brand ROHM
Pages 8
File Size 153.72 KB
Published June 05, 2026
28 views

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Frequently Asked Questions

What is the built-in display capacity of the RCM2034R module?

It has a 16 character x 5 dot character matrix.

How does the initialization process occur when power is first applied?

The internal reset circuit clears the display and sets initial parameters like function set (DL=1:8-bit interface), Entry mode, and Display/Cursor/Blinking status. This takes 15 ms.

What types of systems are this module compatible with?

It can interface with 4-bit or 8-bit Microprocessors (MPUs) for PCs, word processors, and telephones.

Can the module be operated on a single power supply voltage?

Yes, it operates on a single 5 V power supply.