Details

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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掳C to +70掳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	卤8kV (Contact), 卤15kV (Air)
Active Area	Customizable
Sensitivity	High sensitivity, adjustable through firmware
Power Consumption	< 50mW (Typical)
Standby Current	< 10渭A
Certifications	RoHS, REACH, CE

Instructions for Use

1. 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.

2. 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.

3. 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.

4. 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.

5. Firmware Updates:

   • If required, update the firmware using the provided programming tool and follow the firmware update procedure in the datasheet.

6. Power Management:

   • To enter standby mode, send the standby command to the controller. This will reduce power consumption to less than 10渭A.
   • To exit standby mode, send the wake-up command.

7. 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.

8. 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)