ST7715 View Datasheet(PDF) - Sitronix Technology Co., Ltd.
Part Name
Description
MFG CO.
'ST7715' PDF : 167 Pages View PDF
ST7715
6.4 Driver output pins
Name
I/O
Description
S1 to S396 O - Source driver output pins.
G1 to G132 O - Gate driver output pins.
VCI1
I/O - Hi-Z
AVDD
AVDDO
VCL
VGH
VGHO
VGL
- Power input pin for analog circuits.
I
- In normal usage, connect it to AVDDO.
- Output of step-up circuit 1
O
- Connect a capacitor for stabilization.
- A power supply pin for generating VCOML.
O - Connect a capacitor for stabilization.
- Power input pin for gate driver circuit.
I
- In normal usage, connect it to VGHO.
- Positive output pin of the step-up circuit 2.
O
- Connect a capacitor for stabilization.
- Power input pin for gate driver circuit.
- Negative output of the step-up circuit 2 is connected inside the
I
driver.
- Connect a capacitor for stabilization.
VREF
O - A reference voltage for power system.
Connect pin
-
-
-
AVDDO
Capacitor
Capacitor
VGHO
Capacitor
Capacitor
-
GVDD
VCOMH
VCOML
VCOM
- A power output of grayscale voltage generator.
O - When internal GVDD generator is not used, connect an external
power supply (AVDD-0.5V) to this pin.
- Positive voltage output of VCOM.
O
- Connect a capacitor for stabilization.
- Negative voltage output of VCOM.
O
- Connect a capacitor for stabilization.
O - A power supply for the TFT-LCD common electrode.
C11P, C11N O - Capacitor connecting pins for step-up circuit 1 (for AVDDO)
C22P, C22N
C23P, C23N
C41P, C41N
VDDIO
- Capacitor connecting pins for step-up circuit 2 and 4 (for VGHO,
O
VGL, VCL)
O -VDDI voltage output level for monitoring.
-
Capacitor
Capacitor
Common
electrode
Step-up
Capacitor
Step-up
Capacitor
-
V1.5
16
2009-12-04
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