Camera system and data transmission method therefor, display screen, and electronic devices

A camera system, comprising:

• a main control chip, the main control chip including at least one main control unit;
• at least one group of cameras, each camera in each group of cameras including an image acquisition control chip;
• and
• at least one pair of bidirectional differential data lines, each pair of bidirectional differential data lines being connected to a single main control unit and all image acquisition control chips in a single group of cameras,
• wherein the image acquisition control chip includes a first pin and a second pin;
• each main control unit includes another first pin and another second pin;
• and
• each pair of bidirectional differential data lines includes:
• a first data line connected to a first pin of the single main control unit and first pins of all the image acquisition control chips in the single group of the cameras corresponding to the main control unit;
• and
• a second data line connected to a second pin of the single main control unit and second pins of all the image acquisition control chips in the single group of the cameras corresponding to the main control unit.