Rainbow Electronics HD44780 User Manual
Page 44
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HD44780U
44
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
Operation
9
Write data to CGRAM/DDRAM
1
0
0
1
0
0
1
1
0
1
HITACHI
M_
Writes M.
10
·
·
·
·
·
·
·
·
·
·
11
Write data to CGRAM/DDRAM
1
0
0
1
0
0
1
1
1
1
HITACHI
MICROCO_
Writes O.
12
Entry mode set
0
0
0
0
0
0
0
1
1
1
HITACHI
MICROCO_
Sets mode to shift display at
the time of write.
13
Write data to CGRAM/DDRAM
1
0
0
1
0
0
1
1
0
1
ITACHI
ICROCOM_
Writes M. Display is shifted to
the left. The first and second
lines both shift at the same
time.
14
·
·
·
·
·
·
·
·
·
·
15
Return home
0
0
0
0
0
0
0
0
1
0
HITACHI
MICROCOM
_
Returns both display and
cursor to the original position
(address 0).
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