Communication apparatus, synchronization method, and system

A communication apparatus, in a first electronic device in a communication system, wherein the communication apparatus comprises:

• a wireless transceiver, configured to send or receive a signal for synchronization of a communication clock signal, wherein when the first electronic device is a primary device in the communication system, the wireless transceiver is configured to send the signal for synchronization of the communication clock signal of the first electronic device, or when the first electronic device is a secondary device in the communication system, the wireless transceiver is configured to receive the signal for synchronization of a communication clock signal;
• a clock circuit, configured to generate a data processing clock signal based on a first communication clock signal of the first electronic device, wherein the first communication clock signal is for wireless communication processing, and the data processing clock signal is for data processing, wherein the first communication clock signal of the first electronic device is synchronized with a second communication clock signal of a second electronic device, wherein the communication clock signal is the first communication clock signal or the second communication clock signal, and when the first electronic device is a secondary device, the first communication clock signal of the first electronic device is obtained based on the signal for synchronization of the communication clock signal;
• and
• a controller, configured to perform data processing or control a data output based on the data processing clock signal.