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ROHM RCM2011M Data Sheet

Summary

This powerful RCM2011M module is a 20-character, two-line transflective TN liquid crystal display featuring integrated LED backlighting and controller functionality. Designed for personal computers, word processors, and telephones, it offers high contrast, wide viewing angles, and easy interfacing via 4-bit or 8-bit MPUs using a single 5V power supply. The comprehensive manual provides developers with complete technical resources, including detailed electrical characteristics, pin functions, timing charts, and step-by-step instructions for initialization and operation.

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Liquid crystal displays 查询RCM2011M供应商

20 characters2 lines transflective character module with LED backlight RCM2011M The RCM2011M is a transflective TN type liquid crystal module with a yellow-green LED backlight, a built-in control- ler /driver LSI, and a display capacity of 20 characters  2 lines. Applications Personal computers, word processors, facsimiles, telephones, etc. Features

1) Wide viewing angle and high contrast. 6) Abundant instruction set including clear display, 2) 57 dot character matrix with cursor. cursor 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. 10) Built-in LED backlight with minimal power con- sumption.

External dimensions (Units: mm)

Page Summary Contents For ROHM RCM2011M Data Sheet

Page 1 Liquid crystal displays 查询RCM2011M供应商 20 characters2 lines transflective character module with LED backlight RCM2011M The RCM2011M is a transflective TN type liquid crystal module with a yellow-green...
Page 2 Liquid crystal displays RCM2011M Block diagram Pin assignments Power supply example Absolute maximum ratings (Ta = 25C)
Page 3 Liquid crystal displays RCM2011M Electrical characteristics (VDD = 5.0 V ± 0.25 V, Ta = 25C) Optical characteristics (Ta = 25C) Viewing direction 6 o’clock
Page 4 Liquid crystal displays RCM2011M Timing chart (1) Writing (2) Reading
Page 5 Liquid crystal displays RCM2011M Pin functions
Page 6 Liquid crystal displays RCM2011M Instructions
Page 7 Liquid crystal displays RCM2011M Character code and corresponding character pattern
Page 8 Liquid crystal displays RCM2011M 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 157.05 KB
Published June 21, 2026
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Frequently Asked Questions

What is the display capability of the RCM2011M module?

It features a 5x7 dot character matrix and can display up to 226 characters and special symbols.

How does the RCM2011M interface with microprocessors (MPUs)?

It supports interfaces with either 4-bit or 8-bit MPUs and operates on a single 5 V power supply.

What happens when the module is powered on?

The internal reset circuit automatically clears the display and initializes the function set, which takes about 15 ms.