Description
WF39ETWASDNN0 is a 3.9-inch bar-type TFT LCD with IPS 80/80/80/80 wide viewing angles. It has 480×128 dots resolution and 500 cd/m2 brightness. The module dimension is 105.5(W) × 37.0(H) mm, and the active area is 95.04 × 25.34 mm. The module is built-in with SC7283 driver IC, supporting 24-bit RGB interfaces.
The supply voltage for LCM (VCC) of the display is from 3V to 3.6V. This bar TFT can operate at temperatures from -30 ℃ to +85 ℃, and its storage temperatures are also from -30 ℃ to +85 ℃.
DRAWING
SPECIFICATIONS
Interface
LCM PIN Definition
| Pin |
Symbol |
Function |
| 1 |
VLED- |
Power for LED backlight cathode |
| 2 |
VLED+ |
Power for LED backlight anode |
| 3 |
GND |
Power ground |
| 4 |
VCC |
Power voltage |
| 5 |
R0 |
Red data |
| 6 |
R1 |
Red data |
| 7 |
R2 |
Red data |
| 8 |
R3 |
Red data |
| 9 |
R4 |
Red data |
| 10 |
R5 |
Red data |
| 11 |
R6 |
Red data |
| 12 |
R7 |
Red data |
| 13 |
G0 |
Green data |
| 14 |
G1 |
Green data |
| 15 |
G2 |
Green data |
| 16 |
G3 |
Green data |
| 17 |
G4 |
Green data |
| 18 |
G5 |
Green data |
| 19 |
G6 |
Green data |
| 20 |
G7 |
Green data |
| 21 |
B0 |
Blue data |
| 22 |
B1 |
Blue data |
| 23 |
B2 |
Blue data |
| 24 |
B3 |
Blue data |
| 25 |
B4 |
Blue data |
| 26 |
B5 |
Blue data |
| 27 |
B6 |
Blue data |
| 28 |
B7 |
Blue data |
| 29 |
GND |
Power ground |
| 30 |
DCLK |
Pixel clock input pin |
| 31 |
DISP |
DISP sets the display mode.
| DISP |
Function Description |
| L |
Standby mode |
| H |
Normal display mode |
|
| 32 |
HSYNC |
Horizontal sync signal, default is negative polarity. |
| 33 |
VSYNC |
Vertical sync signal, default is negative polarity. |
| 34 |
NC |
No connection |
| 35 |
NC |
No connection |
| 36 |
GND |
Power ground |
| 37 |
NC(XR) |
No connection |
| 38 |
NC(YD) |
No connection |
| 39 |
NC(XL) |
No connection |
| 40 |
NC(YU) |
No connection |
General Specifications
| Item |
Dimension |
Unit |
| Size |
3.9 |
inch |
| Dot Matrix |
480 x RGBx128(TFT) |
dots |
| Module dimension |
105.5(W) × 37.0(H) × 3.05(D) |
mm |
| Active area |
95.04 × 25.34 |
mm |
| Dot pitch |
0.066(W) × 0.198(H) |
mm |
| LCD type |
TFT, Normally Black, Transmissive |
| Viewing Angle |
80/80/80/80 |
| Aspect Ratio |
Bar Type |
| Driver IC |
SC7283 or equivalent |
| TFT Interface |
24-bit RGB |
| Backlight Type |
LED, Normally White |
| Touch Screen |
Without touch screen |
| Surface |
Anti-Glare |
Absolute Maximum Ratings
| Item |
Symbol |
Min |
Typ |
Max |
Unit |
| Operating Temperature |
TOP |
-30 |
－ |
+85 |
℃ |
| Storage Temperature |
TST |
-30 |
－ |
+85 |
℃ |
Electrical Characteristics
| Item |
Symbol |
Condition |
Min |
Typ |
Max |
Unit |
| Supply Voltage For LCM |
VCC |
- |
3.0 |
- |
3.6 |
V |
| Supply Current For LCM |
ICC |
- |
- |
20 |
30 |
mA |
