ROHM RCM2030R Data Sheet
Summary
The RCM2030R is a compact reflective Liquid Crystal Display module providing 24 characters over 2 lines, complete with an integrated controller and driver LSI. Ideal for embedded systems like personal computers, word processors, and telecommunications devices. This manual offers comprehensive technical specifications, including detailed electrical properties, pin assignments, operational timing charts, and step-by-step instructions necessary for successful integration into 4-bit or 8-bit microprocessor host instruments.
Page 1 Text Content
Liquid crystal displays 查询RCM2030R供应商
24 characters 2 lines reflective character module RCM2030R The RCM2030R is a reflective TN type liquid crystal module with a built-in controller /driver LSI and a display capacity of 24 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, cur- 2) 5 7 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 RCM2030R Data Sheet
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 8 |
| File Size | 156.21 KB |
| Published | June 02, 2026 |
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Frequently Asked Questions
What is the display capacity of the RCM2030R module?
It features a 5x7 dot character matrix and can display up to 226 characters and special symbols, arranged in 24 characters over 2 lines.
How do I interface the RCM2030R?
It has interfaces with both 4-bit or 8-bit MPUs, and it operates on a single 5 V power supply.
What happens if I power cycle the unit?
When power is applied, the internal reset circuit automatically clears the display and sets initial functions (e.g., Display on/off control set to 'Display off', Cursor off, Blinking off).
Are there limitations regarding power supply timing?
Yes, reliable initialization requires adherence to specific timing relationships, particularly concerning $t_{ ext{OFF}}$, which regulates the power supply break or on/off times.