Details

---

BUY ST7705C https://www.utsource.net/itm/p/12607053.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VDD	2.7	-	3.6	V	Operating supply voltage
Display Resolution	-	-	480	800	px	Horizontal x Vertical pixels
Pixel Format	-	-	-	-	-	RGB 16-bit, 18-bit, 24-bit
Interface	-	-	-	-	-	SPI, 8080, MCU
Frame Rate	-	-	60	-	Hz	Maximum frame rate
Power Consumption	-	-	100	150	mW	Typical power consumption (full white screen)
Operating Temperature	Toper	-20	-	70	掳C	Operating temperature range
Storage Temperature	Tstg	-30	-	85	掳C	Storage temperature range
Response Time	-	-	25	35	ms	Typical response time (gray to gray)
Contrast Ratio	CR	-	300	-	:1	Typical contrast ratio
Viewing Angle	-	-	80	-	掳	Viewing angle (CR > 10)
Touch Panel Interface	-	-	-	-	-	Optional, I2C or SPI

Instructions for Using the ST7705C

1. Power Supply:

   • Ensure that the supply voltage (VDD) is within the range of 2.7V to 3.6V.
   • Connect the VDD pin to your power source and GND to ground.

2. Initialization:

   • Before sending any commands or data, initialize the display by sending the necessary initialization sequence. Refer to the datasheet for the specific initialization commands.

3. Interface Selection:

   • Choose the appropriate interface mode (SPI, 8080, or MCU) based on your application requirements.
   • Configure the interface settings according to the datasheet specifications.

4. Display Configuration:

   • Set the pixel format (16-bit, 18-bit, or 24-bit) using the appropriate command.
   • Configure the display resolution and orientation as needed.

5. Data Transmission:

   • Send commands and data to the display using the selected interface.
   • Ensure that the data is sent in the correct format and order.

6. Touch Panel Integration:

   • If using a touch panel, configure the touch panel interface (I2C or SPI).
   • Implement the touch panel driver to read touch events and process them accordingly.

7. Temperature Considerations:

   • Operate the display within the recommended temperature range (-20掳C to 70掳C).
   • Store the display in a suitable environment to avoid damage due to extreme temperatures.

8. Power Management:

   • Use the power-saving modes provided by the display to reduce power consumption when not in use.
   • Ensure proper power sequencing during startup and shutdown to avoid potential damage.

9. Troubleshooting:

   • If the display does not function correctly, check the power supply, interface connections, and initialization sequence.
   • Refer to the datasheet for detailed troubleshooting steps and error codes.

For more detailed information, refer to the official ST7705C datasheet and application notes.

(For reference only)