3.0 inch transflective display
►transflective Display
►3.0 “transflective LCD
►Resolution : 240×400 dots
►View Direction:12 o’clock
►Interface: RGB vertical stripes
►Driver IC: HX8352B
►RTP/CTP: Optional
►Brightness(cd/m²): 4500
►Outline Dimension: 45.04×77.05×2.6(T)mm
General Description
The TF300-19 model is a color TFT LCM this module has a 3.0inch diagonally measured active area with WQVGA(240 horizontal by 400 vertical pixel array).each pixel is divided into red,green,blue dots which are arranged in vertical stripe and this module can display 262K colors.
General Feature
| Item | Main Display | Remark |
| Display Mode | Normally White, TransFlective LCD | |
| Viewing direction | 12 o’clock | |
| Driving method | a-si TFT active matrix | |
| Input signals | 8/9/16/18bit MCU; SPI+RGB; SPI; | |
| Outside dimensions | 45.04mm(W)*77.05mm(H)*2.6mm(D) | |
| Active Atea | 38.88mm(W)х64.8mm(H) | |
| Number of Pixels | 240x(RGB)х400 pixels | |
| Pixel Pitch | 0. 162mm(W)х0. 162mm(H) | |
| Pixel Arrangment | RGB vertical stripes | |
| Driver IC | HX8352B |
MechanicalDrawing
Interface
LCM PIN Definition
| No. | Symbol | Description |
| 1 | BS0 | See Note1 |
| 2 | BS1 | See Note1 |
| 3 | BS2 | See Note1 |
| 4 | RESET | Active low. This signal is used to reset the device and must be applied to initialize the chip properly. |
| 5 | VSYNC | Vertical Sync signal in RGB I/F mode.If not used, connect this pad to either VCC or VSS. |
| 6 | HSYNC | Horizontal Sync signal in RGB I/F mode.If not used, connect this pad to either VCC or VSS. |
| 7 | PCLK | Pixel clock signal in RGB I/F mode.If not used, connect this pad to either VCC or VSS. |
| 8 | DE | Data Enable signal in RGB I/F mode.If not used, connect this pad to either VCC or VSS. |
| 9-26 | DB17-0 | Data Bus. See Note1 |
| 27 | SDO | Serial Output data. |
| 28 | SDA | Serial data bus. If not used, connect this pad to either VCC or VSS. |
| 29 | RD | Read Enable in 80-parallel interface. If not used, connect this pad to VCC. |
| 30 | WR | Write Enable in 80-parallel interface.Serial interface clock (SCL) in serial data interface. |
| 31 | RS(SCL) | Display Data/Command selection signal in parallel interface |
| 32 | CS | Chip select input pin (“Low” enable). |
| 33 | VCC | Power Supply for Analog(2.5V-3.6V). |
| 34 | IOVCC | Power Supply for I/O(1.65V-3.6V). |
| 35 | GND | Ground |
| 36 | GND | Ground |
| 37 | LEDK4 | Backlight Cathode4 |
| 38 | LEDK3 | Backlight Cathode3 |
| 39 | LEDK2 | Backlight Cathode2 |
| 40 | LEDK1 | Backlight Cathode1 |
| 41 | LEDA | Backlight Anode |
| 42 | XR(NC) | NC |
| 43 | YD(NC) | NC |
| 44 | XL(NC) | NC |
| 45 | YU(NC) | NC |
NOTE1:
VSS=0V，VDD=2.80±0.05V，TOPR =-20～70℃
Electrical Specification
DC Characteristics
| Item | Symbol | Condition | Min. | Typ. | Max. | Unit |
| Supply power | VDD | 2.7 | 2.8 | 2.9 | V | |
| Input high voltage | VIH | 0.7VDD | － | VDD | ||
| Input low voltage | VIL | 0 | － | 0.2VDD | ||
| Output high voltage | V0H | 0.8VDD | － | － | ||
| Output low voltage | V0L | － | － | 0.2VDD | ||
| Logic current consumption | IDD | － | — | — | mA | |
| Current consumption during standby mode | Is | － | — | － | uA |
Absolute Maximum Ratings
| Item | Symbol | Ratings | Unit | Condition |
| Operating power | VDD | -0.3～3.6 | V | |
| Operating temperature | TOPR | -20～+70 | ℃ | No condensation |
| Storage temperature | TSTR | -30～+80 | ℃ | No condensation |
Backlight Circuit Characteristics
| Item | Symbol | Min | Typ. | Max. | Unit | Condition |
| Operating voltage | VLED | 3.0 | 3.2 | 3.3 | V | ILED =80 mA |
| Operating current | ILED | － | 80 | － | mA | – |
| Back blight luminance（display white） | － | 4500 | － | cd/m2 | ILED =80 mA |
Optical Specification
Optical characteritics are determind after the unit has been on and stable for approximately 30 minutes dark environment at 25℃.the value specified are at an approximate distance 500mm from the lcd surface at a viewing angle and θ equal to 0
Transmissive mode
parameter | Symbol | Condition | Min | Typ | Max | Unit | ||
Viewing Angle | Φ=0° (3:00) | θ | Cr＞10 | – | 70 | – | deg | |
Φ=90° (12:00) | – | 70 | – | |||||
Φ= 180° (9:00) | – | 70 | – | |||||
Φ= 270° (6:00) | – | 55 | – | |||||
Contrast ratio | Cr | θ=0 Φ=0 | – | 300 | – | |||
Respone time | Tr+Tf | – | (35) | – | ms | |||
Surface Luminance | Lv | – | (250) | – | Cd/m2 | |||
CIE(x,y) chromaticty | RED | X | θ=0 Φ=0 | 0.623 | 0.643 | 0.663 | ||
Y | 0.313 | 0.333 | 0.353 | |||||
GREEN | X | 0.284 | 0.304 | 0.324 | ||||
Y | 0.558 | 0.578 | 0.598 | |||||
BLUE | X | 0.121 | 0.141 | 0.161 | ||||
Y | 0.117 | 0.137 | 0.157 | |||||
WHITE | X | 0.294 | (0.314) | 0.334 | ||||
Y | 0.326 | (0.336) | 0.366 | |||||
Reflective mode
Item | Symbol | Specifications | Unit | Note | ||
Min. | Typ. | Max. | ||||
Reflection Ratio （With Polarizer） | R (θ=φ=0°) | – | 9 | – | % | |
Reflective Contrast Ratio | Cr (θ=0°) | – | 35 | – | ||
Viewing angle (Cr≥ 2)* | Φ=0° (3:00) | – | 70 | – | deg | |
Φ=90° (12:00) | – | 70 | – | |||
Φ= 180° (9:00) | – | 70 | – | |||
Φ= 270° (6:00) | – | 55 | – | |||
