Shenzhen Saef Technology Ltd.
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Super Low Cost Hight Brightness 3.5 Inch PCAP TFT Display MCU And SPI Interface 12 O'Clock LCD Screen Product Introduction
SAEF Technology SFTO350PY-7118A-CT PCAP TFT display is a 3.5inch TN type (12 O'clock) viewing direction screen with resolution of HVGA 320x480 pixels. This PCAP TFT LCD Display Module is built in with ILI9488 controller or equivalent IC; it supports MCU 8/16BIT and SPI 3/4 wires interface. This high brightness PCAP TFT LCD screen is 2.8V(typical value) for operating voltage. Vdd is from 2.4V to 3.3V.
SFTO350PY-7118A-CT is designed with capacitive touch panel, single touch and multi-touch optional. The TFT module SFTO350PY-7118A-CT is portrait mode LCD module, with 300cd/m2 luminance. If you would like to use it as landscape mode or increase the luminance, please contact with us for more technical support.
The TFT touch LCD SFTO350PY-7118A-CT Widely used in meter and instruments, GPS device, POS terminal, cash reader, scanner, home automation, conference phone, analyzers, home appliance, home automation, security system, etc.
| Item | Specification | Unit |
| Screen Size | 3.5 inch | Diagonal |
| Number of Pixel | 320RGB(H)x480(V) | Pixels |
| Display area | 48.96(H)x73.44(V) | mm |
| Pixel pitch | 0.153(H)x0.153(V) | mm |
| Outline Dimension | 54.48x84.71x3.40 | mm |
| Pixel arrangement | RGB Vertical Stripe | ―― |
| Display mode | Normally white | ―― |
| Viewing Direction(eye) | 12 0'CLOCK | ―― |
| Gray inversion direction | -- | |
| Display Color | 262K | ―― |
| Luminance(cd/m2) | 300 | nit |
| Contrast Ratio | 500:1 | ―― |
| Surface treatment | ―― | ―― |
| Interface | MCU 8/ 16BIT SPI 3/4wire | |
| Back-light | LED Side-light type | ―― |
| LCM IC | ILI9488 | |
| CTP IC | FT6336U | |
| Operation Temperature | -20~70 | ℃ |
| Storage Temperature | -30~80 | ℃ |
| Weight | ―― | g |
Super Low Cost Hight Brightness 3.5 Inch PCAP TFT Display MCU And SPI Interface 12 O'Clock LCD Screen Product Drawing
Optical Specification
| Item | Symbol | Condition | Min | Type | Max | Unit | |
| White luminance (Center) | Lv |
Θ=0 Normal Viewing Angle IBL= 120mA |
-- | 300 | -- | cd/m2 | |
| Response time | Tr+Tf | -- | 20 | 40 | ms | ||
| Contrast ratio | CR | -- | 500 | -- | -- | ||
|
Color Chromaticity (CIE1931) |
white | Wx | 0.292 | 0.307 | 0.322 | ||
| Wy | 0.312 | 0.327 | 0.342 | ||||
|
Viewing Angle |
Hor |
ΘL |
CR≥10 |
-- | 70 | -- | |
| ΘR | -- | 70 | -- | ||||
|
Ver |
ΘU | -- | 60 | -- | |||
| ΘD | -- | 60 | -- | ||||
| Brightness uniformity | Avg | Θ=0 | 80 | 90 | -- | % | |
| Color Gamut | NTSC | Θ=0 | 57 | 60 | -- | % | |
| Optima View Direction | 12 0'CLOCK | ||||||
Measuring Condition
> Measuring surrounding: dark room
> LED current IL: 120mA
> Ambient temperature: 25±2℃
> 15min. warm-up time
Electrical Characteristics
| Item | Symbol | Min. | Typ. | Max. | Unit |
| Analog supply voltage | VDD | 2.4 | 2.8 | 3.3 | V |
| Digital supply voltage | VDDI | 1.65 | 1.8 | 3.3 | |
| Input signal Voltage | VIH | 0.7VDDI | - | VDDI | V |
| VIL | GND | - | 0.3VDDI | V |
Back-Light Unit Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
| LED current | IL | - | 90 | 120 | mA |
| LED voltage | VL | - | 2.8 | 3.2 | V |
| Operating LED life time | Hr | 30000 | 40000 | - | Hour |
LCM interface Pin Definition
|
Pin No. |
Symbol | Function |
| 1 | XL | Touch the left line |
| 2 | YU | Touch the upper circuit |
| 3 | XR | Touch the right end line |
| 4 | YD | Touch the lower line |
| 5 | GND | Ground |
| 6 | IOVCC | Power Supply 1.8V |
| 7 | VCC | Power Supply 2.8V |
| 8 | FMARK | Frame synchronization signal |
| 9 | CS | Chip select input pin (active low) |
| 10 | RS | Display data/command selection pin in parallel |
| 11 | WR/SPI_SCL | Write enable in 8080 MCU parallel interface / SCL pin as Serial Clock |
| 12 | RD | Read enable in 8080 MCU parallel interface. |
| 13 | SPI_SDA | serial data input/output bi-direction pin |
| 14 | SPI_SDO | Serial data output |
| 15 | RESET | External reset input. |
| 16 | GND | Ground |
| 17-32 | DB0-DB15 | MCU parallel interface data bus. |
| 33 | LEDA | LED back light(Anode) |
| 34-36 | LEDK | LED back light(Cathode) |
| 37 | GND | Ground |
| 38 | IM0 | Select the interface mode |
| 39 | IM1 | Select the interface mode |
| 40 | IM2 | Select the interface mode |
Touch FPC Pin Definition
| 1 | CTP_RST | Touch screen reset |
| 2 | CTP_INT | Touch screen interrupt signal |
| 3 | CTP_SDA | Touch screen data signal |
| 4 | CTP_SCL | Touch screen clock signal |
| 5 | GND | Ground |
| 6 | VDD | Power Supply |
Super Low Cost Hight Brightness 3.5 Inch PCAP TFT Display MCU And SPI Interface 12 O'Clock LCD Screen Product Image
Factory Facilities and Certificates
Projected Capacitive (PCAP) Touch Screen
Projected Capacitive (PCAP) touch technology offers a fast and sensitive response and professional-grade reliability combined. The projected capacitive touch screen from Saef Technology is designed for strict industrial, medical, and automotive applications. We can also combine PCAP touch screens with liquid crystal displays (LCDs), which is an integrated embedded solution that helps simplify the supply chain and assembly.
Cover Glass:
1. Shape: Custom sizes, shapes, edge treatments, holes and cut-outs
2. Color: Silk printing, Logo
3. Glass material: Gorilla Glass, Tempered Glass, PMMA
4. Treatments: Mirror, AG, AR, AF
Sensor:
1. Sensor Material: Glass, Film, Film+Film
2. FPC: Shape design optional
3. IC: EETI, ILITEK, SIS, Cypress, Focaltech, Goodix and so on
4. Interface: I2C, USB, RS232
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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