Datasheet HD44780U (LCD-II) (Hitachi) - 12
| Hersteller | Hitachi |
| Beschreibung | Dot Matrix Liquid Crystal Display Controller/Driver |
| Seiten / Seite | 60 / 12 — HD44780U. Figure 6 2-Line by 16-Character Display Example |
| Dateiformat / Größe | PDF / 330 Kb |
| Dokumentensprache | Englisch |
HD44780U. Figure 6 2-Line by 16-Character Display Example
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HD44780U
Case 2: For a 16-character × 2-line display, the HD44780 can be extended using one 40-output extension driver. See Figure 6. When display shift operation is performed, the DDRAM address shifts. See Figure 6. Display position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DDRAM 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F address 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F HD44780U display Extension driver display 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 For shift left 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 27 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E For shift right 67 40 41 42 43 44 45 46 47 48 49 4A4B4C4D4E
Figure 6 2-Line by 16-Character Display Example
12 Document Outline Description Features Ordering Information HD44780U Block Diagram HD44780U Pin Arrangement (FP-80B) HD44780U Pin Arrangement (TFP-80F) HD44780U Pad Arrangement HD44780U Pad Location Coordinates Pin Functions Function Description Interfacing to the MPU Reset Function Instructions Instruction Description Interfacing the HD44780U Power Supply for Liquid Crystal Display Drive Relationship between Oscillation Frequency and Liquid Crystal Display Frame Frequency Instruction and Display Correspondence Initializing by Instruction Absolute Maximum Ratings DC Characteristics AC Characteristics Bus Timing Characteristics Interface Timing Characteristics with External Driver Power Supply Conditions Using Internal Reset Circuit DC Characteristics AC Characteristics Bus Timing Characteristics Interface Timing Characteristics with External Driver Power Supply Conditions Using Internal Reset Circuit Electrical Characteristics Notes Load Circuits Timing Characteristics
Case 2: For a 16-character × 2-line display, the HD44780 can be extended using one 40-output extension driver. See Figure 6. When display shift operation is performed, the DDRAM address shifts. See Figure 6. Display position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 DDRAM 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F address 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F HD44780U display Extension driver display 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 For shift left 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 27 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E For shift right 67 40 41 42 43 44 45 46 47 48 49 4A4B4C4D4E
Figure 6 2-Line by 16-Character Display Example
12 Document Outline Description Features Ordering Information HD44780U Block Diagram HD44780U Pin Arrangement (FP-80B) HD44780U Pin Arrangement (TFP-80F) HD44780U Pad Arrangement HD44780U Pad Location Coordinates Pin Functions Function Description Interfacing to the MPU Reset Function Instructions Instruction Description Interfacing the HD44780U Power Supply for Liquid Crystal Display Drive Relationship between Oscillation Frequency and Liquid Crystal Display Frame Frequency Instruction and Display Correspondence Initializing by Instruction Absolute Maximum Ratings DC Characteristics AC Characteristics Bus Timing Characteristics Interface Timing Characteristics with External Driver Power Supply Conditions Using Internal Reset Circuit DC Characteristics AC Characteristics Bus Timing Characteristics Interface Timing Characteristics with External Driver Power Supply Conditions Using Internal Reset Circuit Electrical Characteristics Notes Load Circuits Timing Characteristics