# Hardware Resources<a name="EN-US_TOPIC_0000001111841856"></a>

The touchscreen integrated circuit \(IC\) provided by the Hi3516D V300 development board is GT911, which uses the standard inter-integrated circuit \(I2C\) to communicate with the development board and connects to the main board through the 6-pin flexible flat cable. The following figure shows the distribution of the 6 pins and their connection.

![](figures/绘图1.png)

