DESCRIPTION
Thank you for purchasing our company 2.8 inch tft lcd modules, Please read the display specifications carefully before purchasing.
If the standard display list we provide does not meet your design requirements, we can also customize and develop the products you need.
- 2.8 inch tft lcd module,support 65K color display,display rich colors
- 240×320 resolution, optional touch function
- Using the SPI serial bus, it only takes a few IOs to illuminate the display
- Easy to expand the experiment with SD card slot
- Provide a rich sample program
- Military-grade process standards, long-term stable work
- Provide underlying driver technical support
DRAWING
SPECIFICATIONS
General Specifications
| Item | Contents | Unit |
| Size | 2.8 | inch |
| LCM Dimension | 83.00（W）* 51.00（H） *5.05+-0.3(T) | mm |
| LCD Active Area | 43.20* 57.60 | mm |
| Resolution | 240 * RGB * 320 | pixel |
| LCD Type | a-Si TFT | |
| View Direction | ALL | |
| Driver IC | ILI9341V | |
| Interface Type | MCU/SPI | |
| Operating Temperature | -20℃~ 70℃ | |
| Storage Temperature | -30℃~ 80℃ | |
| Backlight Type | 4 LEDs |
LCM PIN Definition
NO. | Symbol | Description |
| 1 | CS | LCD screen select control pin( low level enable) |
| 2 | RS | LCD register / data selection control pin(high level: register, low level: data) |
| 3 | WR | LCD write control pin |
| 4 | RD | LCD read control pin |
| 5 | RESET | LCD reset control pin, ( low level reset) |
| 6-13 | D0-D7 | LCD data bus low 8-bit pin(When 8-bit parallel data bus mode is selected, the lower 8-bit data pins are not used) |
| 14-21 | D8-D15 | LCD data bus high 8-bit pin |
| 22 | GND | Module power ground pin |
| 23 | BL | LCD backlight control pin(High level light) |
| 24-25 | VCC | Module power positive pin (module has integrated voltage regulator IC, so the power supply can be connected to 5V or 3.3V) |
| 26-27 | GND | Module power ground pin |
| 28 | VDD | Module power positive pin (module has integrated voltage regulator IC, so the power supply can be connected to 5V or 3.3V) |
| 29 | TMI | Touch screen SPI bus data output pin(without touch screen, not used) |
| 30 | TMO | Touch screen SPI bus data input pin(without touch screen, not used) |
| 31 | TPEN | Touch screen interrupt detection pin(Low level when a touch occurs)(without touch screen, not used) |
| 32 | NC | Undefined, reserved |
| 33 | TCS | Touch screen IC chip select control pin(Low level enable)(without touch screen, not used) |
| 34 | TCLK | Touch screen SPI bus clock control pin(without touch screen, not used) |
DC Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
| TFT gate on voltage | VGH | 13 | 14 | 15 | V |
| TFT gate off voltage | VGL | -11 | -10 | -9 | V |
| TFT common electrode Voltage | Vcom | -1.5 | -1.1 | 0 | V |
Typical Operation Conditions
| Item | Symbol | Min. | Typ. | Max. | Unit |
| Analog Supply Voltage | VCI | 2.5 | 2.8 | 3.3 | V |
| Digital Supply Voltage | VDD | 2.5 | 2.8 | 3.3 | V |
| I/O Supply Voltage | IOVCC | 1.65 | 1.8 | 3.3 | V |
| Input High Voltage | VIH | 0.8*IOVCC | – | IOVCC | V |
| Input Low Voltage | VIL | 0 | – | 0.2*IOVCC | V |
| Output High Voltage | VOH | 0.8*IOVCC | – | – | V |
| Output Low Voltage | VOL | – | – | 0.2*IOVCC | V |
Backlight Circuit Characteristics
| Item | Symbol | Min. | Typ. | Max. | Unit |
| LED Current | IB | 45 | 60 | — | mA |
| LED Voltage | Vf | 3.0 | 3.0 | 3.2 | V |
| CIE | X | 0.265 | 0.285 | 0.305 | |
| Y | 0.26 | 0.28 | 0.30 | ||
| Brightness of LCM | L | — | 260 | — | cd/m2 |
Reliability Test Items
| Test Item | Test Condition | Test result determinant gist |
| High temperature storage | 80±3 ℃，48H； | |
| Low temperature storage | ~30±3 ℃，48H； | |
| High temperature storage | 70±3 ℃，48H； | Inspection after 2~4hours storage at room temperature, |
| Low temperature operation | ~20±3 ℃，48H； | the sample shall be free from defects: |
| High temperaturehumi/dity | 60℃±3 ℃,90%±3%RH ，48H； | 1.Air bubble in the LCD; |
| Thermal Shock | ~20℃/0.5h~+70℃/0.5h for a total 24 cycles； | 2.Non-display; |
| Vibration Test | Frequency 10Hz~55Hz~10Hz | 3.Glass crack; |
| Amplitude：1.5mm, X，Y，Z | ||
| direction for total 1H； | 4. The electrical | |
| (Packing condition) | ||
| ESD test | ±4KV, Human Body Mode, | characteristics requirements shall be satisfied. |
| 150pF/330Ω； | ||
| ±8KV, Air Mode, 150pF/330Ω； |
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