User Manual Q&AAnswer
Feb 28, 2025 - 06:42 AM
To connect the Surenoo STP0240A1-240320 Series TFT LCD Panel to your device, you will need to use the 4 Line-SPI interface. The pin descriptions and functions are as follows:
1. GND: This pin is the ground connection.
2. RESET: This signal is used to reset the device and initialize the chip. It is active low.
3. SCL: This pin is the serial interface clock.
4. D/C: This pin is used for display data/command selection in the 4-line serial interface.
5. CSX: This pin is the chip selection pin. Low enables, high disables.
6. SDA: This pin is the SPI interface input. Data is latched on the rising edge of the SCL signal. If not used, fix this pin at VDDI or DGND level.
7. SDO: This pin is the SPI interface output. Data is output on the falling edge of the SCL signal. If not used, leave this pin open.
8. GND: This pin is the ground connection.
9. VDD: This pin is the power supply for the analog, digital system, and booster circuit.
10. LEDA: This pin is the anode of the backlight. Typical voltage is 2.9V-3.3V.
11. LEDK1: This pin is the cathode of the backlight.
12. LEDK2: This pin is the cathode of the backlight.
13. LEDK3: This pin is the cathode of the backlight.
14. LEDK4: This pin is the cathode of the backlight.
15. XL: This pin is the touch panel logical foot.
16. YU: This pin is the touch panel logical foot.
17. XR: This pin is the touch panel logical foot.
18. YD: This pin is the touch panel logical foot.
Please refer to the user manual for further details on the electrical connections and specifications.
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