DESCRIPTION
LM022TQ02NS is a 2.2 inch TFT LCD Display.The model is featured with 18-BIT RGB/MCU interface.
It can be used in signal analyzers or bench top laboratory equipment, handhold microscope and other handhold devices.
| Pin NO. | Symbol | Description |
| 1 | GND | Power ground. |
| 2-5 | IM0~IM3 | Select the MCU interface mode. Fix this pin at IOVCC or GND.*Note |
| 6 | RESET | This signal will reset device and must be applied to properly initialize the chip.Signal is active low. |
| 7 | VSYNC | Frame synchronizing signal for RGB interface operation.Fix to IOVCC or GND level when not in use. |
| 8 | HSYNC | Line synchronizing signal for RGB interface operation.Fix to IOVCC or GND level when not in use. |
| 9 | DOTCLK | Dot clock signal for RGB interface operation. Fix to IOVCC or GND level when not in use. |
| 10 | ENABLE | Data enable signal for RGB interface operation.Fix to IOVCC or GND level when not in use. |
| 11-28 | DB17~DB0 | Data bus |
| 29 | SDI | When IM[3]: Low, Serial in/out signal.When IM[3]: High, Serial in/out signal.The data is applied on the rising edge of the SCL signal. If not used, fix this pin at IOVCC or GND. |
| 30 | RD | 8080-/808-I 0-II system(RDX): Serves as a read signal and MCU read data at the rising edge.Fix to IOVCC Level when not in use. |
| 31 | WR | (WRX)-8080-I/8080-II system: Serves as a write signal and writes data at the rising edge.(D/CX)-4-line system: Serves as the selector of command or parameter. Fix to IOVCC level when not in use. |
| 32 | RS | (D/CX): This pin is used to select” Data or Command” in the parallel interface.When DCX=1, data is selected. When DCX=0, Command is selected.（SCL）:This pin is used as the serial interface clock in 3-wire.9-bit/4-wire 8-bit serial data interface.If not used, this pin should be connected to IOVCC or GND |
| 33 | CS | Chip select input pin(“Low” enable).This pin can be permanently fixed “Low” in MPU interface mode only. |
| 34 | FMARK | Tearing effect output pin to synchronize MPU to frame writing, activated by S/W command. When this pin is not activated, this pin is low. If not used, open this pin |
| 35 | IOVCC | Power supply for logic. |
| 36 | VCI | Power supply for analog. |
| 37 | GND | Power ground |
| 38 | LEDA | Anode of LED backlight |
| 39~41 | LEDK1~K3 | Cathode of LED backlight |
Item | Dimension | Unit | ||||||
| Size | 2.2inch | inch | ||||||
| Dot Matrix | 240*RGB*320(TFT) | dots | ||||||
| Module dimension | 41.04*56.45*2.85 | mm | ||||||
| Active area | 33.84*45.12 | mm | ||||||
| Dot pitch | 0.141*0.141 | mm | ||||||
| LCD type | TFT/TRANSMISSIVE | |||||||
| View Direction | 6 O’CLOCK | |||||||
| Gray Scale Inversion Direction | 12 O’CLOCK | |||||||
| Backlight Type | LED, Normally White | |||||||
| LCD Controller IC | ILI9341V | |||||||
| Pcap Controller IC | ||||||||
| LCD Interface | 18-BIT RGB/MCU | |||||||
| Pcap Interface | ||||||||
| Touch Panel | ||||||||
| Surface | ANTI-GLARE | |||||||
Item | Symbol | Min | Typ | Max | Unit | |
| Operating Temperature | TOP | -20 | 70 | ℃ | ||
| Storage Temperature | TST | -30 | 80 | ℃ | ||
Item | Symbol | Condition | Min | Typ | Max | Unit |
| Input Power | VCI | 2.5 | 2.8 | 3.3 | V | |
| Current for LED Backlight | IL | 45 | mA |
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