ST ST7735R - 6.4 Driver output pins

ST7735R
V0.2 16 2009-08-05
VPP I When writing NVM, it needs external power supply voltage (7.5V).
TESEL I
Input pin to select horizontal line number in TE signal.
This pin is only for GM[1:0]=’00’ mode
TESEL Selection of gamma curve
0 TE output 162 lines
1 TE output 160 lines
VDDI/DGND
6.4 Driver output pins
Name I/O Description
Connect pin
S1 to S396 O - Source driver output pins. -
G1 to G162 O - Gate driver output pins. -
AVDD O
Power pin for analog circuits.
Connect a capacitor for stabilization.
Capacitor
AVCL O
- A power supply pin for generating GVCL.
- Connect a capacitor for stabilization.
Capacitor
VGH O - Power output pin for gate driver
VGL O - Power output (Negative) pin for gate driver
GVDD O
- A power output of grayscale voltage generator.
- When internal GVDD generator is not used, connect an external
power supply (AVDD-0.5V) to this pin.
GVCL O
- A power output(Negative) of grayscale voltage generator.
- When internal GVCL generator is not used, connect an external
power supply (AVCL+0.5V) to this pin.
-
VCOM O - A power supply for the TFT-LCD common electrode.
Common
electrode
VCC O
- Monitoring pin of internal digital reference voltage.
- Please open these pins.
VDDIO O - VDDI voltage output level for monitoring. -
DGNDO O - DGND voltage output level for monitoring. -