LCD Description
This high-performance TTL UART Serial LCD Display 2.4 Inch module is specifically engineered for seamless HMI applications, smart industrial devices, and IoT hardware. Featuring a crisp 240×320 dots resolution and a compact form factor, this color screen integrates a reliable UART COMM driver to simplify your development process by requiring fewer micro-controller pins. With a vibrant 350 cd/m² backlight brightness, it ensures clear visual presentation for various indoor and light outdoor electronic projects.
Before integrating the module, please review the maximum ratings for this TTL UART Serial LCD Display. Operating the TTL UART Serial LCD Display beyond these specified electrical limits may cause permanent damage to the UART COMM driver IC and the TFT backlight circuit.
As a trusted LCD display factory in China, Hongcai LCD guarantees rigorous quality control and a long-term stable supply for this premium TTL UART Serial LCD Display 2.4 Inch module.
| Item | Contents | Unit | Notes |
| LCD Type | TFT TRANSMISSIVE | / | / |
| Viewing direction | 12:00 | O’ Clock | / |
| PCBA Outside | 47.2.00(W)*76.2.50(H)*8.00(T) | mm | / |
| Dimensions | 43.2(W)*59.62(H)*2.60(T) | mm | / |
| LCM Outside Dimensions | |||
| Active Area (WxH) | 36.72(W)*48.96(H) | mm | / |
| Number of Dots | 240×320 | / | / |
| Driver IC | UART COMM | / | Vcc=3.3V |
| Colors | 262K | / | / |
| Touch Type | / | / | / |
| Backlight Type | 1*4=4LEDS / White | / | Vbl=3.3V |
| Backlight Luminance | 700 | cd/m2 | （） |
| Interface Type | （） | / | 7PIN2.54 |
| TTL UART (TXD/RXD) | |||
| 5.0VVDD | V | 300mA |
SERAL CHARACTERISTIC
| Item | MIN | Typical | MAX | Unit | Notes |
| Operating Voltage | 4.75 | 5 | 5.5 | V | VDD |
| Operating Current | — | 80 | 150 | ° | 5V Power |
| mA | |||||
| Operating Temperature | -30 | 25 | 75 | ° | / |
| Storage Temperature | -40 | 25 | 80 | C | / |
| Serial Baud Rate | 2400 | 9600 | 115200 | bps | Standards |
| Serial Output Leve | 3 | 3.2 | 3.3 | V | H |
| Serial Input Leve | 3 | 3.3 | 5 | V | H |
| Extend Flash | 16M | 64M | 128M | bits | Nor Flash |
| Flash Memory | — | 64K | — | bits | MCU |
| SRAM Memory | — | 8K | — | bits | MCU |
| MCU Frequency | — | 72M | — | Hz | MCU |
| External SD Card | / | / | / | bits | / |
ABSOLUTE MAXIMUM RATINGS(TFT LCD)
| Parameter | Symbol | Min | Typ | Max | Unit |
| Power for analog/logic | Vcc -GND | 2.65 | 3.3 | 3.6 | V |
| I/O power supply | IOVCC | 1.65 | 3.3 | 3.6 | V |
| Input Current | Idd | TBD | TBD | TBD | V |
| mA | |||||
| Input voltage ‘ H ‘ level | Vih | 0.7IOVCC | / | IOVCC | |
| Input voltage ‘ L ‘ level | Vil | GND | 0 | 0.3IOVCC | V |
| V | |||||
| Output voltage ‘ H ‘ level | Voh | 0.8IOVCC | / | IOVCC | |
| Output voltage ‘ L ‘ level | Vol | GND | 0 | 0.2IOVCC | V |
| Parameter | Symbol | Min | Typ | Max | Unit |
| Power for analog/logic | Vcc -GND | 2.65 | 3.3 | 3.6 | V |
| I/O power supply | IOVCC | 1.65 | 3.3 | 3.6 | V |
| Input Current | Idd | TBD | TBD | TBD | V |
| mA | |||||
| Input voltage ‘ H ‘ level | Vih | 0.7IOVCC | / | IOVCC | |
| Input voltage ‘ L ‘ level | Vil | GND | 0 | 0.3IOVCC | V |
| V | |||||
| Output voltage ‘ H ‘ level | Voh | 0.8IOVCC | / | IOVCC | |
| Output voltage ‘ L ‘ level | Vol | GND | 0 | 0.2IOVCC | V |
| Parameter | Symbol | Min | Max | Unit | |
| Power for Circuit Driving | VCC | -0.3 | 4.6 | V | |
| Power for Circuit Logic | IOVCC | -0.3 | 4.6 | V | |
| Input voltage | Vin | -0.3 | VCC + 0.3 | V | |
| Operating temperature | Top | -30 | 70 | ℃ | |
| Storage temperature | Tst | -40 | 80 | ℃ | |
| Humidity | RH | / | 90%(Max60℃) | RH |
TFT LCD Specifications
| Item | Contents | Unit |
| Size | 2.4 | inch |
| LCM Dimension | 47.2.00(W)*76.2.50(H)*8.00(T) | mm |
| LCD Active Area | 36.72*48.96 | mm |
| Number Of Dots | 240×320 | pixel |
| LCD Type | a-Si TFT | |
| Viewing Direction | 12 o`clock | |
| Driver IC | UART COMM | |
| Interface Type | TTL UART (TXD/RXD) | |
| Touchscreen | TBD | |
| Storage Temperature | -30℃~ 80℃ |
Drawing
TTL UART (TXD/RXD) Interface
| J1:TTL UART 7PIN 2.54mm | |||||
| Pin.No | Symbol | DESCRIPTION | |||
| 1 | GND | Ground | |||
| 2 | BUSY | Software burning (L) | |||
| 3 | RX | UART receiving data input of serial communication (3.3V) | |||
| 4 | TX | UART receiving data output of serial communication (3.3V) | |||
| 5 | RST | RESET | |||
| 6 | GND | Ground | |||
| 7 | 5V | Power input | |||
| FPC1: TTL UART 6PIN 1.0mm FPC Connector | |||||
| Pin.No | Symbol | DESCRIPTION | |||
| 1 | 5V | Power input | |||
| 2 | 5V | Power input | |||
| 3 | TX | UART receiving data output of serial communication (3.3V) | |||
| 4 | RX | UART receiving data input of serial communication (3.3V) | |||
| 5 | BUSY | Software burning (L) | |||
| 6 | GND | Ground | |||
