Description
BUY WT7518D-SG080WT https://www.utsource.net/itm/p/11728651.html
| Parameter |
Description |
| Part Number |
WT7518D-SG080WT |
| Type |
Touch Screen Controller |
| Interface |
I2C, SPI |
| Operating Voltage |
2.7V to 3.6V |
| Operating Temperature |
-20°C to +70°C |
| Touch Points |
Up to 10 touch points |
| Resolution |
1024 x 600 (WVGA) |
| Package |
LQFP-48 |
| Dimensions |
7mm x 7mm |
| Pin Count |
48 |
| ESD Protection |
±8kV (Contact), ±15kV (Air) |
| Active Area |
Customizable |
| Sensitivity |
High sensitivity, adjustable through firmware |
| Power Consumption |
< 50mW (Typical) |
| Standby Current |
< 10μA |
| Certifications |
RoHS, REACH, CE |
Instructions for Use
Power Supply:
- Connect the VCC pin to a stable power supply within the range of 2.7V to 3.6V.
- Connect the GND pin to the ground.
Interface Selection:
- For I2C communication, connect SDA and SCL pins to the corresponding I2C lines on your microcontroller.
- For SPI communication, connect MOSI, MISO, SCLK, and CS pins to the corresponding SPI lines on your microcontroller.
Initialization:
- Send the initialization command sequence as specified in the datasheet to configure the touch controller.
- Set the desired parameters such as touch sensitivity, active area, and other settings using the configuration commands.
Data Reading:
- Read the touch data from the touch controller by sending read commands over the selected interface.
- The touch data will include the coordinates of the touch points and the number of active touch points.
Firmware Updates:
- If required, update the firmware using the provided programming tool and follow the firmware update procedure in the datasheet.
Power Management:
- To enter standby mode, send the standby command to the controller. This will reduce power consumption to less than 10μA.
- To exit standby mode, send the wake-up command.
Handling and Storage:
- Handle the device with care to avoid ESD damage.
- Store the device in a dry, cool place away from direct sunlight and sources of heat.
Troubleshooting:
- If the touch screen does not respond, check the power supply and interface connections.
- Ensure that the firmware is up-to-date and the initialization sequence is correctly implemented.
For more detailed information, refer to the datasheet and application notes provided by the manufacturer.
(For reference only)
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