SSD1789A Solomon Systech, SSD1789A Datasheet - Page 49

• Manufacturer Part Number: SSD1789A
• Description: CSTN LCD Driver
• Manufacturer: Solomon Systech

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Figure 16 - Flow chart of OTP programming Procedure
SSD1789A Series Rev 1.0
i) Hardware reset
ii) Send original initialization
routines
iii) Set and display any test
patterns
Step 1
OTP setting steps =
Adjusted contrast
value – Original
contrast value
Accept the
contrast level
on panel?
Adjust the
contrast level
to the best
visual level
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Start
Yes
P 49/69 Jul 2004
No
i) Send original initialization
routines
ii) Set and display any test
patterns
iii) Inspect the contrast
Connect an external
voltage (14.5~15.5V)
on V
i) Send OTP setting
commands
ii) Send OTP programming
command
iii) Wait > 2 sec
iv) Hardware reset
OUT
i) Hardware reset
ii) Enable oscillator
pins
END
Step 2
Solomon Systech
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