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ST7282T2 Datasheet(PDF) 69 Page - Sitronix Technology Co., Ltd.

Part # ST7282T2
Description  720x544 System-On-Chip Driver for 480RGBx272 TFT LCD
PDF  77 Pages
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Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7282T2 Datasheet(HTML) 69 Page - Sitronix Technology Co., Ltd.

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ST7282T2
Version 1.2
Page 69 of 77
2016/03
14. OTP Flow
Non-Volatile Memory (OTP) can only program one time for LCD VCOM calibration .The following figure shows a programming flow.
Disable OTP Mode
HW Reset
LCD Module
Display On
LCD Module
Write Image
End
Remove VPP Power
& Release EXTC
& Release CS
Check Result
Check Image
Quality
Display
Check Pattern
External Power
VPP=7.5V
Disable RGB Signal
& DISP = DGND
& CS tie DGND
& Program OTP
OK
NG
Adjust VCOM
Offset Register
Check Image Quality
HW Reset
LCD Module
Start
EXTC Pin=VDDI
Display On
LCD Module
Read VCOM Offest
Register
HW Reset
LCD Module



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