HD44780U Datasheet, PDF(30/59 Page) Hitachi Semiconductor – Dot Matrix Liquid Crystal Display Controller/Driver

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HD44780U Datasheet, PDF (30/59 Pages) Hitachi Semiconductor – Dot Matrix Liquid Crystal Display Controller/Driver

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HD44780U

Cursor

5 Ã 8 dot

character font

5 Ã 10 dot

character font

Cursor display example

Alternating display

Blink display example

Figure 12 Cursor and Blinking

Set DDRAM

address

Code

RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

0 0 1AAAAAAA

Higher

order bit

Lower

order bit

Read busy flag

and address

RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0

Code

0 1 BF A A A A A A A

Higher

order bit

Lower

order bit

Figure 13 Instruction (2)

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