2.8 inch 240×320 MCU 30pin interface 250nit TN TFT LCD display
Drawing
Parameter
InterfaceProduct detail
Product Description
H028HQ30E2542 is a 2.8-inch TFT LCD module. This LCD screen adopts TN panel, with a working temperature range of -20℃ to +70℃, a resolution of 240×320, an MCU 16-bit 30-pin interface, and an ST7789V Driver IC. 250 nits brightness. This 2.8-inch TFT LCD screen is mainly applied in medical and health monitoring devices , such as portable electrocardiographs, blood glucose meters, blood pressure monitors, etc., to clearly display physiological data. Consumer electronics and educational products : covering portable game consoles, children's learning machines, reading pens, smart story machines, etc., used for presenting animations, courseware or interactive content. And other fields
Mechanical Drawing
Specification parameters
Feature |
Spec |
Model Name |
H028HQ30E2542 |
LCD Size |
2.8 inch |
Display Format |
240*320 |
Interface |
16-bit MCU 30pin |
Luminance |
250 cd/m2 |
Touch screen |
None, optional |
Viewing Direction |
12 O'clock |
Color Depth |
65K |
Driver IC |
ST7789V |
LCM (W x H x D) (mm) |
51.80*82.54*3.25 |
Active Area(mm) |
43.2*57.6 |
Operating Temperature |
-20℃ ~ +70℃ |
Storage Temperature |
-30℃ ~ +80℃ |
Operating Voltage |
3.1V |
Interface definition
PIN NO |
PIN NAME |
DESCRIPTION |
1 |
LEDK1-4 |
Power for LED backlight (Cathode)
|
2 |
LEDA |
LED backlight anode |
3 |
GND |
Ground |
4 |
RESET |
Reset signal input terminal, active at ‘L' |
5 |
DB15 |
DATA BUS
|
6 |
DB14 |
DATA BUS
|
7 |
DB13 |
DATA BUS
|
8 |
DB12 |
DATA BUS
|
9 |
DB11 |
DATA BUS
|
10 |
DB10 |
DATA BUS
|
11 |
DB9 |
DATA BUS
|
12 |
DB8 |
DATA BUS
|
13 |
DB7 |
DATA BUS
|
14 |
DB6 |
DATA BUS
|
15 |
DB5 |
DATA BUS
|
16 |
DB4 |
DATA BUS
|
17 |
DB3 |
DATA BUS
|
18 |
DB2 |
DATA BUS
|
19 |
DB1 |
DATA BUS
|
20 |
DB0 |
DATA BUS
|
21 |
RD |
Read signal |
22 |
WR |
Write signal |
23 |
RS |
This pin is used to select “Data or Command” in |
24 |
CS |
Chip select |
25 |
NC |
NO connect |
26 |
NC |
NO connect |
27 |
NC |
NO connect |
28 |
NC |
NO connect |
29 |
GND |
Ground |
30 |
VCC |
power supply
|