Rainbow Electronics HD44780 - Manual (Page 41)

HD44780U
41
Table 11 8-Bit Operation, 8-Digit
×
1-Line Display Example with Internal Reset (cont)
Step
Instruction
No. RS R/ W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Display Operation
11 Write data to CGRAM/DDRAM
1
0 0 1 0 0 1 1 0 1
TACHI M_
Writes M.
12 ·
·
·
·
· ·
·
·
·
·
13 Write data to CGRAM/DDRAM
1
0 0 1 0 0 1 1 1 1
MICROKO_
Writes O.
14 Cursor or display shift
0
0 0 0 0 1 0 0 * *
MICROKO _
Shifts only the cursor position
to the left.
15 Cursor or display shift
0
0 0 0 0 1 0 0 * *
MICROKO _
Shifts only the cursor position
to the left.
16 Write data to CGRAM/DDRAM
1
0 0 1 0 0 0 0 1 1
ICROCO _
Writes C over K.
The display moves to the left.
17 Cursor or display shift
0
0 0 0 0 1 1 1 * *
MICROCO _
Shifts the display and cursor
position to the right.
18 Cursor or display shift
0
0 0 0 0 1 0 1 * *
MICROCO_
Shifts the display and cursor
position to the right.
19 Write data to CGRAM/DDRAM
1
0 0 1 0 0 1 1 0 1
ICROCOM_
Writes M.
20 ·
·
·
·
· ·
·
·
·
·
21 Return home
0
0 0 0 0 0 0 0 1 0
HITACHI _
Returns both display and
cursor to the original position
(address 0).