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ST7787 Datasheet(PDF) 26 Page - Sitronix Technology Co., Ltd.

Part # ST7787
Description  262K Color Single-Chip TFT Controller/Driver
PDF  217 Pages
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Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7787 Datasheet(HTML) 26 Page - Sitronix Technology Co., Ltd.

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ST7787
V1.7
2008.04.18
26
-Connect a capacitor for stabilization
VGHS
I
- A reference voltage for step-up circuit 2
1
VGH
VGL
I
-Power input pin for gate driver circuit
-In normal usage, connect it to VGL
2
Capacitor
VGLO
O
-Negative output of the step-up circuit 2
-Connect a capacitor for stabilization
2
VGL
VGLS
I
- A reference voltage for step-up circuit 2
1
VGL
VREF
O
-Reference voltage for power circuit block.
-Connect a capacitor for stabilization
3
Capacitor
GVDD
O
-A standard level for grayscale voltage generator
-Connect a capacitor for stabilization.
-When internal GVDD generator is not used, connect an external power
supply (AVDD-0.5V)
3
Capacitor
VCOMH
O
-Positive voltage output of VCOM
-Connect a capacitor for stabilization
8
Capacitor
VCOML
O
-Negative voltage output of VCOM
-Connect a capacitor for stabilization
8
Capacitor
VCOM
O
-A power supply for the TFT-LCD common electrode
8
Common
electrode
C11P,
C11N
C12P,
C12N
O
-Capacitor connecting pins for step-up circuit 1 (for AVDD)
24
Step-up
Capacitor
C21P,
C21N
C22P,
C22N
C23P,
C23N
O
-Capacitor connecting pins for step-up circuit 2 (for VGH, VGL, VCL)
24
Step-up
Capacitor
VDDIO
O
-VDDI voltage output level for monitoring
8
-
DGNDO
O
-DGND voltage output level for monitoring
9
-
VCC
O
-Monitoring pin of internal digital reference voltage
-Connect a capacitor fir stabilization
6
Capacitor
REGP
REGPT
O
Test pin
2
Open
6.5 Test pin
Name
I/O
Description
Count
Connect pin
TPI,
TPO
I/O
-Test pins. In regular usage, please open these pins
12
Open
Dummy
-These pins are dummy (have no function inside)
-Can allow signal traces pass through under these pads on TFT glass
24
Open



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