PEDL9041A-02
OKI Semiconductor
ML9041A-xxA/xxB
An example of instruction code for 9)
W
RS1
1
RS0
0
R/
DB7
0
DB6
0
DB5
1
DB4
0
0
*: From 11), input data twice by the use of 4-bit data.
*: In 13), check the Busy Flag for No Busy before executing each instruction.
(c) Data transfer from and to the CPU using the serial I/F
1) Turn on the power.
2) Wait for 15 ms or more after VDD has reached 2.7 V or higher.
3) Check the busy flag for No Busy.
4) Set “Number of LCD lines” and “Font size” with the Function Setting Instruction. (After this, the
number of LCD lines and the font size cannot be changed.)
5) Check the busy flag for No Busy.
6) Execute the Display ON/OFF control Instruction, the Display Clear Instruction, the Entry Mode
Instruction and the Arbitrator Display Line Setting Instruction.
7) Check the busy flag for No Busy.
8) Initialization is completed.
*: In 6), check the Busy Flag for No Busy before executing each instruction.
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