Surenoo STP0280C2-240320 Series TFT LCD Panel User Manual

STP0280A2-240320 Series
TFT LCD PANEL
USER MANUAL

STP0280B1-240320 Series TFT LCD Panel

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General Description

Mechanical Specification

Pin

|

Description

---|---
1| OBO
2| DB1
3| DB2
4| DB3
5| GND
6| VDDI
7| CSX
8| DCX
9| WRX
10| RDX
11| NC
12| XL/X-
13| YU/Y-
14| XR/X+
15| YD/Y+
16| LEDA
17| LEDK1
18| LEDK2
19| LEDK3
20| LEDK4
21| TE
22| DB4
23| DB8
24| DB9
25| DB10
26| DR11
77| DB12
28| DB13
29| DB14
30| DB15
31| RESX
32| VDD
33| VDDI
34| GND
35| DB5
36| DB6
37| DB7

NOTES:

1. DISPLAY TYPE:TFT
2. OPERATING TEMP: -20°C~70°C
3. STORAGE TEMP: -30°C~80°C
4. LCD DRIVER: COG(IC:ST7789V);
5. BACKLIGHT: 4 CHIP-WHITE LED(Parellel)
6. GENERAL TOLERANCE:±0.20
7. ROHS

Electrical Maximum Ratings

※NOTE: VDDI and VDD can be directly connected together and share a set of voltage (2.8V~3.3V) for power supply.

Brightness characteristic&Power dissipation

*※NOTE:PLCD=VDD (ILED+ILCD)**

Module Function Description

Low enable.
High disable.| –
8| DCX| -Display data/command selection pin in parallel interface.
DCX=’1’: display data or parameter.
DCX=’0’: command data| –
9| WRX| -Write enable in MCU parallel interface.| –
10| RDX| -Read enable in 8080 MCU parallel interface.
-If not used, please fix this pin at VDDI or GND.| –
11| NC| No connection| –
12| XL(X-)| Touch panel Logical foot| –
13| YU(Y-)| Touch panel Logical foot| –
14| XR(X+)| Touch panel Logical foot| –
15| YD(Y+)| Touch panel Logical foot| –
16| LEDA| Anode of Backlight (2.9V-3.3V Typical:3.1V)| –
17| LEDK1| Cathode of Backlight| –
18| LEDK2| Cathode of Backlight| –
19| LEDK3| Cathode of Backlight| –
20| LEDK4| Cathode of Backlight| –
21| TE| Tearing effect signal is used to synchronize MCU to frame memory| –
22| DB4| MCU parallel interface data bus.| –
23-30| DB8-DB15| MCU parallel interface data bus| –
31| RESX| -This signal will reset the device and it must be applied to properly initialize the chip.
-Signal is active low.| –
32| VDD| Power Supply for Analog, Digital System and Booster Circuit.| –
33| VDDI| Power Supply for I/O System.| –
34| GND| Ground| –
35-37| DB5-DB7| MCU parallel interface data bus.| –

Figure 6-1: Display screen Bit parallel port reference application circuit STP0280C2 MCU-8
Figure 6-2: Display screen Bit parallel port reference application circuit STP0280C2 MCU-8

Figure 6-3: Touch screen reference application circuit

※NOTE:

1. If it is a version without touch, refer to the attached circuit in Figure 6-1, and hang the four touch pins XL, YU, XR, and YD of the display in the air That’s it.
2. For the version with touch, refer to Figure 6-2 Touch Application Connection Circuit.

Response time&Contrast ratio

Response time graph Contrast calculation formula

Viewing Angle

NOTE: The angle of view of 3 o’clock, 6 o’clock, 9 o’clock, and 12 o’clock refers to the angle (0) between the lines perpendicular to the surface of the screen and the line of sight of the eye.

Reliability Trial

Function In Room Temperature Are Allowable
2| Low Temperature Non-Operating Test| -30 C120Hrs
3| High Temperature/Humidity Non Operating Test| 60°C90%RH120Hrs
4| High Temperature Operating Test| 70 C72Hrs
5| Low Temperature Operating Test| 20°C 72Hrs
6| 1 hermal Shock Test| -20 °C (30Min) Q 70 °C (30Min) 10CYCLES

Inspection standards

10.1 Glass defect

influence assemblage.

1. b≤1/3Pin width(non bonding area) 【Accept】
   2)bonding area≤0.5mm 【Accept】| A: Length, b: Width
   4| Pin-side ,conductive area damaged (minor defect)| (a c: disregards) b≤1/3of effective length for
   bonding electrode 【Accept】| a: length, b: Width, c: Thickness

---|---|---|---
5| Pin-side,non-conductive area damaged (minor defect)| 1)Damage area don’t touch the ITO (Inclueling contraposition mark, except scribing mark) 【Accept】
2)C<T b≦BM1/3of width 【Accept】
3)c=T b not touch the seal glue 【Accept】
4)a disregards| a: Length, b: Width
c: Thickness
6| Non-pin-side damage (minor defect)| c<T
1)b exceeds 1/3Bm 【Reject】 c=T
b not touch the seal glue 【Reject】| c: Thickness b: width of
damage

10.2 LCD appearance defect(View area)

AA
W- 0.03mm| disregard
0.03mm<W O. 05mm;
1_,- 3. Omm| 2
0.05mm<W O. lmm;
L-<= 3. Omm| 1
W>0.1mm;L>3.0mm| 0
2| Polarizer bubble, concave and convex (minor defect)| 0.2mm| disregard| notel: (I)= (L+W) /2, L : Length,
W :Width note2:disregard if out of AA
0.2mm< (I) 0. 3mm| 2
0.3mm< (1) 0. 5mm| 1
0.5mm< (1)| 0
3| Black dots, dirty dots,| (1) 0.15 mm| disregard| note2:disregard if out of AA
| impurities, eye winker (minor defect)| 0.15mm< (1) -.. O. 25mm| 2|
---|---|---|---|---
0.25mm< (1) -.. 0. 3m| 1
0.3mm< (1)| 0
4| Polarizer prick
(minor defect)| (1) 0.1mm| disregard| notel: (1) = (L+W) /2, L=Length,
W=Width note2:the distance between two dots>5mm
0.1mm< (1) 0. 25m| 3
(1) >O. 25mm| 0

Package Method

| |
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https://wa.me/qr/4GGOIDYZ2PXXN1| https://wa.me/qr/4GGOIDYZ2PXXN1| http://qr.kakao.com/talk/THom9tzJN5OMzvx1vTL1V.LvnEc-
|
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https://line.me/ti/p/oas8BmVLVd| https://u.wechat.com/EAK0B_l2YfPLwx3tRqiKkf4

Shenzhen Surenoo Technology Co.,Ltd.
www.surenoo.com
Skype: Surenoo365
Reference Controller Datasheet
TFT LCD Panel Selection Guide
ST7789V

References

• Surenoo Tech: Professional LCD Module Supplier Since 2005

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