SSD1859 Solomon Systech, SSD1859 Datasheet - Page 45

• Manufacturer Part Number: SSD1859
• Description: 128 x 80 STN LCD Segment / Common 4 G/S Drive
• Manufacturer: Solomon Systech

Flow Chart of OTP Program
SSD1859
(i) Hardware reset
(ii) Send original initialization
routines
(iii) Set and display any test
patterns
Step 1
OTP setting step =
Adjusted contrast value
– Original contrast value
Rev 1.0
Accept the
contrast level
on panel?
Adjust the
contrast level
to the best
visual level
Start
P 45/48 Dec 2003
Yes
No
i) Send original initialization
routines
ii) Set and display any test
patterns
iii) Inspect the contrast
Connect an external
voltage (16-18V) on
VOUT pins
(i) Send OTP setting
commands
(ii) Send OTP programming
command
(iii) Wait > 2 sec
(iv) Hardware reset
i) Hardware reset
ii) Enable oscillator
END
Step 2
Solomon Systech
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