DESCRIPTION
Thank you for purchasing our company 3.97 inch tft lcd display screen mcu interface nt35510, 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.
- 3.97 inch tft lcd module,support 65K color display,display rich colors
- 480×800 resolution, optional touch function
- Using the mcu 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
General Specifications
| Item | Contents | Unit |
| Size | 3.97TFT | inch |
| LCM Dimension | 55.60（W）* 96.20（H） *2.15(T) | mm |
| LCD Active Area | 51.84* 86.40 | mm |
| Resolution | 480 * RGB * 800 | pixel |
| LCD Type | a-Si TFT | |
| View Direction | Free | |
| Driver IC | NT35510 | |
| Interface Type | MCU:8BIT | |
| Operating Temperature | -20℃~ 70℃ | |
| Storage Temperature | -30℃~ 80℃ | |
| Backlight Type | 8 LEDs |
LCM PIN Definition
| NO. | Symbol | Description |
| 1 | LEDA | BACKLIGHT ANODE |
| 2 | LEDK | BACKLIGHT CATHODE |
| 3 | GND | Ground |
| 4 | VDD | POWER SUPPLY |
| 5 | GND | Ground |
| 6 | GND | Ground |
| 7 | CS | Chip Select |
| 8 | RS | Data/Command register address |
| 9 | WR | Write signal, rising-edge-trigger. |
| 10 | RD | Read signal, rising-edge-active. |
| 11 | TE | Tearing effect output pin to synchronize MCU to frame writing |
| 12 | RESET | Reset pin |
| 13-20 | DB0-DB7 | Data Bus |
DC Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
| TFT gate on voltage | VGH | — | 15 | — | V |
| TFT gate off voltage | VGL | — | -10 | — | V |
| TFT common electrode Voltage | Vcom | -2 | – | 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 | 1.8/2.8 | 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 | — | 160 | — | mA |
| LED Voltage | Vf | 11.2 | — | 12.8 | V |
| CIE | X | 0.265 | 0.285 | 0.305 | |
| Y | 0.26 | 0.28 | 0.30 | ||
| Brightness of LCM | L | — | — | — | cd/m2 |
Reliability Test Items
| Test Item | Test Condition | Test result determinant gist |
| High temperature | Inspection after 2~4hours | |
| storage | 80±3℃，24H； | storage at room |
| temperature, | ||
| Low temperature | -30±3℃，24H； | the sample shall be free from defects: |
| High temperature | 70±3℃，24H； | |
| operation | ||
| Low temperature | -20±3℃，24H； | |
| operation | ||
| High temperature | 60℃±3℃,90%±3%RH，24H； | |
| /humidity | 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 | 4. The electrical | |
| direction for total 1H； | characteristics requirements | |
| (Packing condition) | shall be satisfied. | |
| ESD test | ±4KV, Human Body Mode, | |
| 150pF/330Ω； | ||
| ±8KV, Air Mode, 150pF/330Ω； |
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