1*.LCD接口引脚分析
- 1.1先上代码
点击查看代码
&lcdif {
display0: display {
bits-per-pixel = <16>;
bus-width = <24>;
display-timings {
native-mode = <&timing0>;
timing0: timing0 {
clock-frequency = <35000000>;/*35000000*/
hactive = <720>;
vactive = <720>;
hfront-porch = <46>;
hback-porch = <44>;
hsync-len = <2>;
vback-porch = <16>;
vfront-porch = <50>;
vsync-len = <5>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
};
};
};
- 1.2水平同步时钟 HSYNC
HSYNC水平同步信号,表示一行数据的开始