MSM9000B-xx OKI electronic componets, MSM9000B-xx Datasheet - Page 27

• Manufacturer Part Number: MSM9000B-xx
• Description: DOT MATRIX LCD CONTROLLER
• Manufacturer: OKI electronic componets

¡ Semiconductor
Flowchart at Power-on (serial interface)
• When the stage to be selected is already determined, contrast can be adjusted before the
• After a command or display data is input, check for busy data. Make sure that the busy data
display is turned on (for example, at the same time as when mode is set).
("H") has changed to not-busy data ("L") before making the next input.
NO
Set modes for SF, BKCG1/0,
Perform ordinary operation
Input data to be displayed
on the initial screen been
Has data to be displayed
DISP, D4="X", D0="1"
on the initial screen
Turn on the power
Wait for 10 clocks
LOT, I1="1", I0="1"
LOT, I1="0", I0="0"
AINC ¥ 48 times
BPC, and ABLC
SOE/D, D0="1"
Input a reset
CS="L"
input?
YES
Input a reset after the V
5ms, external, or power-on reset
Chip enable.
SO output is enabled to detect busy signal.
Insert a wait only in processing the SOE/D command.
(By busy signal detection for subsequent inputs).
Change the settings after a reset, if necessary.
Set the load option. The blank code is written and
blinking is disabled each time AINC is executed.
RAM data is cleared.
The load option is cleared.
The display is turned on. The initial screen is displayed.
Set D4 according to the display.
DD
–V
SS
level exceeds 2.5V.
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