7" High Brightness PCAP TFT Display
Model No. WF70A2SIAGDNGA
►Size : 7 inch
►Resolution : 800x480 dots
►View Direction: 12H
►Interface : RGB
►Driver IC : Source IC: ST-5623D, Gate IC: ST5091D
►Control-Board : No
►Brightness(cd/m²) : 700
►Frame Through Hole : No
►Touch Screen : Projected Capacitive Touch Panel (PCAP)
►Detect Point : 5 Fingers
Description
WF70A2SIAGDNGA is a High Brightness TFT LCD module with Projected Capacitive Touch Panel (PCAP), resolution WVGA 800x480 pixels, diagonal size 7 inch. This TFT model is built in with ST-5623 source driver IC and ST-5091 gate driver IC with high brightness 700 nits (typical value). WF70A2 TFT model supports RGB interface, the PCAP touch screen IC is ILI2130 which supports I2C interface.
The supply voltage for logic (VCC) of WF70A2SIAGDNGA is from 3.0V to 3.6V, typical value 3.3V, Glare surface panel, View Direction 12 o'clock, Gray scale inversion 6 o'clock, and aspect ratio 16:9, contrast ratio 800 (typical value). It can be operating at temperatures from -20℃ to +70 ℃ and storage temperatures from -30 to +80 ℃. This WF70A2SIAGDNGA is very suitable for outdoor applications, for example, outdoor measuring equipment, and GPS Navigation system.
DRAWING
SPECIFICATIONS
Interface
LCM PIN Definition
| Pin | Symbol | Function |
|---|---|---|
| 1 | LED+ | Power supply for backlight |
| 2 | LED+ | Power supply for backlight |
| 3 | LED- | Backlight ground |
| 4 | LED- | Backlight ground |
| 5 | GND | Power ground |
| 6 | VCOM | Common voltage |
| 7 | VCC | Power for Digital Circuit |
| 8 | MODE | DE/SYNC mode select |
| 9 | DE | Data Input Enable |
| 10 | VS | Vertical Sync Input |
| 11 | HS | Horizontal Sync Input |
| 12 | B7 | Blue data(MSB) |
| 13 | B6 | Blue data |
| 14 | B5 | Blue data |
| 15 | B4 | Blue data |
| 16 | B3 | Blue data |
| 17 | B2 | Blue data |
| 18 | B1 | Blue data |
| 19 | B0 | Blue data(LSB) |
| 20 | G7 | Green data(MSB) |
| 21 | G6 | Green data |
| 22 | G5 | Green data |
| 23 | G4 | Green data |
| 24 | G3 | Green data |
| 25 | G2 | Green data |
| 26 | G1 | Green data |
| 27 | G0 | Green data(LSB) |
| 28 | R7 | Red data(MSB) |
| 29 | R6 | Red data |
| 30 | R5 | Red data |
| 31 | R4 | Red data |
| 32 | R3 | Red data |
| 33 | R2 | Red data |
| 34 | R1 | Red data |
| 35 | R0 | Red data(LSB) |
| 36 | GND | Power Ground |
| 37 | DCLK | Sample clock (CLK) |
| 38 | GND | Power Ground |
| 39 | L/R | Left / right selection |
| 40 | U/D | Up/down selection |
| 41 | VGH | Gate ON Voltage |
| 42 | VGL | Gate OFF Voltage |
| 43 | AVDD | Power for Analog Circuit |
| 44 | RESET | Global reset pin. |
| 45 | NC | No connection |
| 46 | VCOM | Common Voltage |
| 47 | DITHB | Dithering function |
| 48 | GND | Power Ground |
| 49 | NC | No connection |
| 50 | NC | No connection |
PCAP PIN Definition
| Pin | Symbol | Function |
|---|---|---|
| 1 | VSS | Ground for analog circuit |
| 2 | VDDT | Power Supply : +3.3V |
| 3 | SCL | I2C clock input |
| 4 | NC | No connect |
| 5 | SDA | I2C data input and output |
| 6 | NC | No connect |
| 7 | RST | External Reset, Low is active |
| 8 | NC | No connect |
| 9 | INT | External interrupt to the host |
| 10 | VSS | Ground for analog circuit |
General Specifications
| Item | Dimension | Unit |
|---|---|---|
| Size | 7.0 | inch |
| Dot Matrix | 800 x RGB x 480 (TFT) | dots |
| Module dimension | 165 x 100.0 x 7.45 | mm |
| Active area | 154.08 x 85.92 | mm |
| Pixel Pitch | 0.1926 x 0.179 | mm |
| LCD type | TFT, Normally White, Transmissive | |
| View Direction | 12 o'clock | |
| Gray Scale Inversion Direction | 6 o'clock | |
| Aspect Ratio | 16:9 | |
| Backlight Type | LED, Normally White | |
| TFT Interface | 24-bit RGB | |
| Color arrangement | RGB-STRIPE | |
| Driver IC | Source IC: ST-5623D, Gate IC: ST5091D | |
| PCAP IC | ILI2130 or Equivalent | |
| PCAP Interface | I2C | |
| PCAP FW Version | 0x07.0x00.0x00.0x00.0x65.0x90.0x00.0x01 | |
| PCAP Resolution | 16384*16384 | |
| Touch Screen | Projected capacitive touchscreen (PCAP) | |
| Surface | Glare | |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Temperature | TOP | -20 | － | +70 | ℃ |
| Storage Temperature | TST | -30 | － | +80 | ℃ |
Electrical Characteristics
Operating conditions:
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage For Logic | VCC | 3.0 | 3.3 | 3.6 | V |
| Supply PCAP | VDDT | 3.0 | 3.3 | 3.6 | V |
| ICTP | － | 65 | 98 | mA | |
| Power voltage | AVDD | - | 10.4 | - | V |
| Power Supply For Current | VCC =3.3V | - | 4.3 | - | mA |
| Power voltage | VGH | 14.5 | 15.0 | 15.5 | V |
| Power voltage | VGL | -10.5 | -10 | -9.5 | V |
| Input signal voltage | VCOM | 3.54 | 4.04 | 4.54 | V |
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