(1) when I powered up 913A/914A , the LED(LOCK) on 914A was lit and stable. I probe the PCLK pin on 914A is 50MHz .
(2)After programed I2C, I connected camera to 913A, and programed the camera, then I probed the data output of the camera , The signal is normal , and the camera worked well.
(3)when the camera started to work , the LED(LOCK) on 914A was blinking fastly , I probed the camer input data pin on 913A , the signal is normal , the PCLK is 57MHz , and then I probed the output data pin on 914A , only PCLK was 57MHz, and PCLK was on and off , the other data pin had no signal. It seemed that the camera input data didn't transferred from 913A to 914A .where is the problem ???
here is the connection of the system.