RCM2072R

Liquid crystal displays 20 characters 2 lines COG module RCM2072R The RCM2072R is a reflective TN type liquid crystal module with a built-in controller / driver LSI and a display capacity of 20 characters 2 lines. FApplications Printers, copiers, facsimiles, etc. FFeatures 1) Wide viewing angle and high contrast. 2) 5 7 dot character matrix with cursor. 3) Interfaces with 4-bit or 8-bit MPUs. 4) Displays up to 237 characters and special symbols 5) Custom character patterns are displayed with the character RAM. FExternal dimensions (Units: mm) 6) Abundant instruction set including clear display, cursor on / off, and character blinking. 7) Compact and lightweight for easy assembly to the host instrument. 8) Operable on single 5V power supply. 9) Low power consumption. 29 Liquid crystal displays FBlock diagram RCM2072R FPin assignments FPower supply example 30 Liquid crystal displays FAbsolute maximum ratings (Ta = 25_C) RCM2072R FElectrical characteristics (VDD = 5.0 ± 5%, Ta = 25_C) FOptical characteristics (Ta = 25_C) When viewing from below 31 Liquid crystal displays RCM2072R FPin functions Note: In order to be able to interface with 4-bit or 8-bit MPUs, the module supports data transfer with two transmissions of 4 bits at a time or one transmission of 8 bits at once. (1) When the interface data length is 4 bits, data is transferred between the MPU along DB4 through DB7 buses and DB0 through DB3 buses are not used. Data transferral is completed after two tra...