Rainbow Electronics HD44780 - Manual (Page 44)

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).