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1.9" inch Touch Screen, TFT LCD 1.9" Description
Product Quick Review
►Size: 1.9 inch TFT LCD Display
►Resolution: 170×320 dots
►View Direction: IPS
►Interface: RGB, SPI
►Driver IC:ST7789V
►Control-Board: No
►Brightness(cd/m²): 330
►Frame Through Hole: No
►Touch Screen : Projected Capacitive Touch Panel (PCAP)
Description
SAEF TECHNOLOGY SF-TC190ASJ-8977A-CT TFT LCD display module is a transmissive type color active matrix TFT(Thin Film Transistor) liquid crystal display (LCD) that uses amorphous silicon TFT as a switching device. This module is composed of a TFT LCD module, a driver circuit, and a back-light unit. PPI refers to Pixel Per Inch, the resolution of a 1.9” inch contains 170(RGB)X320 dots (170 horizontal by 320 vertical pixels array). and can display up to 262k color. SF-TC190ASJ-8977A-CT the TFT LCD model supports SPI and RGB interface; the supply voltage (VCC) of driving LCD panel is from is 2.4V to 3.3V. Typical value is 2.8V. It can be used in embedded systems, automation, GPS, medical equipment, industrial device, security equipment which requires TFT display in high quality and colorful image.
SF-TC190ASJ-8977A-CT is an IPS-LCD type TFT with brightness 330 cd/m2 (typical value). the brightness can be customized achieving 1000 nits. pls contact our sales for more details. It can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.
Production Information
| Product: | 1.9 inch TFT |
| Resolution: | 170 X 320 |
| Interface: | SPI / RGB |
| Touch Screen: | Capacitive Touch Panel (CTP) |
| Viewing Direction: | IPS Full Viewing Angle(80/80/80/80) |
| Outline Dimension: | 25.8 X 49.72 X 1.43 Mm |
| Active Area: | 42.72 X 22.7 Mm |
| Pin Number: | 30 Pins |
| Surface Luminance: | 350 Cd/m2 (nits) |
| Driver IC: | ST7789V Or Equivalent |
| Connection: | Plugging (can Be Customized) |
| LED Lifetime: | 40,000 Hours |
| Operating Temp.: | –20℃ To +70℃ |
| Compliance: | REACH & RoHS Compliant |
1.9" inch Touch Screen, TFT LCD 1.9" Product Drawing
Pin Definition
Pin1 GND Power Ground
Pin2 VDD Power Supply for Analog, VDD=2.4V~3.3V.
Pin3 IM2when IM1=0, IM2=0,8080-8bit;when IM1=1, IM2=1,4-line SPI serial I/F.
Pin4 IM1
Pin5 RESETThis signal will reset the device and it must be applied to properlyinitializethe chip. Signal is active low.
Pin6 CS Chip selection pin; Low enable, High disable.
Pin7 D/C(SPI-SCL)When connecting to an 8080-series microprocessor, this pinreceivesthedata/command selection pin .This pin is used to be serial interfaceclockin4-line serial interface.
Pin8 WR(SPI-RS)When connecting to an 8080-series microprocessor, this pin receives thewritesignal.Display data/command selection pin in 4-line serial interface.
Pin9 RDWhen connecting to an 8080-series microprocessor, this pin receives theReadsignal. Read operation is initiated when this pin is pulled LOWandthechipisselected.When serial interface is selected, this pin must be connectedtoGround.
Pin10 SDASPI interface input/output pin. The data is latched on the risingedgeoftheSCL signal.
Pin11-Pin18 D0-D7 MCU parallel interface data bus.
Pin19 NC No Connect
Pin20 LEDA LED Anode
Pin21 LEDK1 LED Cathode
Pin22 LEDK2 LED Cathode
Pin23 LEDK3 LED Cathode
Pin24 LEDK4 LED Cathode
Pin25 GND Power Ground
Pin26 TP_RST System reset of Touch Panel；If no used,let this pin open.
Pin27 TP_SCL I²C clock signal of Touch Panel；If no used,let this pin open.
Pin28 TP_SDA I²C data signal of Touch Panel；If no used,let this pin open.
Pin29 TP_INT Interrupt signal to main processor of Touch Panel；If no used,let this pinopen.
Pin30 GND Power Ground
1.9" inch Touch Screen, TFT LCD 1.9" Real Product Image
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Contact Us
We love to hear about your projects, If you have any questions, we can be reached at sales2@saef.com.cn