HD44780U Datasheet, PDF (44/59 Pages) Hitachi Semiconductor – Dot Matrix Liquid Crystal Display Controller/Driver

HD44780U
Table 13 8-Bit Operation, 8-Digit × 2-Line Display Example with Internal Reset (cont)
Step
Instruction
No. RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Display
9 Write data to CGRAM/DDRAM
1 00 1 00 1 10 1
HITACHI
M_
10
·
·
·
·
·
11 Write data to CGRAM/DDRAM
1 00 1 00 1 11 1
·
·
·
·
·
HITACHI
MICROCO_
12 Entry mode set
0 00 0 00 0 11 1
HITACHI
MICROCO_
13 Write data to CGRAM/DDRAM
1 00 1 00 1 10 1
ITACHI
ICROCOM_
14
·
·
·
·
·
15 Return home
0 00 0 00 0 01 0
·
·
·
·
·
H_ ITACHI
MICROCOM
Operation
Writes M.
Writes O.
Sets mode to shift display at
the time of write.
Writes M. Display is shifted to
the left. The first and second
lines both shift at the same
time.
Returns both display and
cursor to the original position
(address 0).
44