| 1. | At the base of earnestly analysis to the ov7620 working sequence , using its frame synchronization , field synchronization and the pixel - clock signal , completed gathering of the active power meter reading image which is reduced resolutions at the control of mcu 在仔细分析ov7620工作时序的基础上,利用其帧同步、场同步和像素时钟信号,在单片机的控制下完成了对电度表读数图像的降低分辨率采集。 |