ST7701S Round LCD Display Module

Brand Name:hainengzhichuang
Model Number:custom
Minimum Order Quantity:custom
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
Place of Origin:Shenzhen, China
Price:Negotiable
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Location: Shenzhen China
Address: ROOM 201,A1 BUILDING,JINCHI INNOVATION PARK,FUYUAN 2ND ROAD,BAO'AN DISTRICT,SHENZHEN
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Product Details

LCD MODULE


General Specifications


FeatureSpecifications

Display Spec.

LCD type2.1 inch
Resolution (H*V)480(RGB)×480
Technology Typea-Si TFT
Pixel ConfigurationR.G.B. Vertical Stripe
Display ModeNormally Black
Viewing DirectionALL
Gray Scale Inversion Direction-

Mechanical Characteristics

OutlineDimensions (W x H x T) (mm)56.18*59.71*2.3
Active Area(mm)53.28*53.28
CTP View Area(mm)/
With /Without Touch screenWithout
Connector Type0.5 PITCH 40PIN
Backlight TypeLED
Weight (g)TBD

Electrical Characteristics

Display Interface3SPI+18RGB
Number of color262K
Display Driver ICST7701S
Touch Driver IC/

Pin Assignment


1LED ALED ANODE
2LED KLED CATHODE
3LED KLED CATHODE
4GNDGround
5VCIPower supply
6RESETReset Signal ,Active Low
7NCNC
8NCNC
9SDASPI Data signal
10SCKSPI Clock signal
11CSSPI Chip select signal
12PCLKRGB dot clock signal
13DERGB data enable signal
14VSYNCRGB frame synchronizing signal
15HSYNCRGB line synchronizing signal
16~33DB0~DB17

RGB data signal(DB0:BlUE LSB;DB5:BIUE MSB;DB6:GREEN

LSB;DB11:GREEN,MSB;DB12:RED LSB;DB17:RED MSB)

34GNDGround
35TP_INTTouch Interrupt
36TP_SDATouch IIC Data signal
37TP_SCLTouch IIC Clock signal
38TP_RESETTouch Reset Signal
39TP_VCITouch Power supply
40GNDGround

Absolute Maximum Ratings


ItemSymbolValueUnit
Power supply voltage for logicVDD0.3~4.8V
Input voltageVinVDD+0.3V
Operating temperatureTopr-20 to 70°C
Storage temperatureTstg-30 to 80°C



Note:


Note1: Absolute maximum rating is the limit value beyond which the IC maybe broken.

They do not assure operations.


Note2: Background color changes slightly depending on ambient temperature.

This Phenomenon is reversible.

Ta≦70℃: 75%RH max

Ta>70℃: absolute humidity must be lower than the humidity of 75%RH at 70℃

Note3: Ta at -30℃ will be <48hrs, at 80 ℃ will be <120hrs


Electrical Characteristics


1) Driving TFT LCD Panel


ItemSymbolMinTypeMaxUnitTest condition
Operating voltageVDD2.52.84.8V-
Supply currentIDD--50mAVDD=2.8V,Ta=25°C
Input voltageVIH0.8VDD-VDDV-
VIL0-0.2VDDV
Input leakage currentIIL-1.0-1.0mAVIN=VDD or VSS


Note: Voltage greater than above may damage the module.

All voltages are specified relative to VSS=0V.


2) Driving Backlight


ItemSymbolMinTypMaxUnitRemark
Forward CurrentIF--8088mA
Forward VoltageVF-3.2-V
Connection mode--4Parallel--
LED number/4pcs

Note1: Optical performance should be evaluated at Ta=25℃ only .If LED is driven by high current, high ambient temperature & humidity condition. The life time of LED will be reduced. Operating life means brightness goes down to 50% initial brightness. Typical operating life time is estimated data.


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ST7701S Round LCD Display Module

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