1. Technical parameters
|
ITEM |
STANDARD VALUES |
UNITS |
|
LCD type |
3.5 TFT |
-- |
|
Dot arrangement |
320(RGB)×480 |
dots |
|
Color filter array |
RGB vertical stripe |
-- |
|
Display mode |
IPS / Transmission / Normally Black |
- |
|
Eyes Viewing Direction |
80/80/80/80 |
-- |
|
Driver IC |
ST7796U |
-- |
|
Module size |
55.50(W)×84.92(H)×2.45(T)(Exclude FPC) |
mm |
|
Active area |
48.96(W)×73.44(H) |
mm |
|
Interface |
8BIT_MCU |
-- |
|
Operating temperature |
-20 ~ +70 |
°C |
|
Storage temperature |
-30 ~ +80 |
°C |
|
Back Light |
White LED*6 |
-- |
2. LED Backlight Characteristics
|
Item |
Symbol |
MIN |
TYP |
MAX |
UNIT |
Test Condition |
|
Supply Voltage |
Vf |
- |
3.2 |
- |
V |
If=120mA |
|
Supply Current |
If |
- |
120 |
- |
mA |
- |
|
Luminous Intensity for LCM |
- |
|
400 |
- |
cd/m2 |
If=120mA |
|
Uniformity for LCM |
- |
- |
60 |
- |
% |
If=120mA |
|
Life Time |
- |
- |
50000 |
- |
Hr |
If=120mA |
|
Backlight Color |
White |
|||||
3. LCD Pin Description
|
PIN NO. |
PIN NAME |
DESCRIPTION |
|
1 |
GND |
System power ground. |
|
2 |
NC |
NC |
|
3 |
VCI(2.8V) |
VCC power input,2.8V |
|
4 |
IOVCC(1.8V) |
IOVCC power input,1.8-2.8V |
|
5 |
CS |
Chip select input pin (“Low” enable). |
|
6 |
RS |
Serves as command or parameter select. |
|
7 |
WR |
Serves as command or parameter select. |
|
8 |
RD |
8080- /8080 Ⅰ -Ⅱ system (RDX) |
|
9-16 |
DB0-DB7 |
Data DB0-DB7, 8BIT MCU |
|
17 |
RESET |
Reset signal input terminal, active at ‘L’. |
|
18 |
XR |
TP X+ |
|
19 |
YU |
TP Y+ |
|
20 |
XL |
TP X- |
|
21 |
YD |
TP Y- |
|
22 |
NC |
NC |
|
23 |
LEDA |
Power supply for backlight anode input terminal. |
|
24 |
LED-K |
Power supply for backlight Cathode input terminal. |
4. Outline Dimension




