What are the synchronization controls in bus communication

Clock synchronization, handshake protocol, frame synchronization, token ring control, request response mechanism.

1, clock synchronization: by using *** enjoy the clock signal to coordinate the operation between different devices, in the bus system, all devices operate according to the same clock signal to ensure synchronous transmission and processing of data.

2. Handshake protocol: Also known as handshake mechanism or answer mechanism, it is used for synchronization control during data transmission. The sender sends a request signal before sending the data, and the receiver sends an acknowledgement signal after receiving the request, and the sender starts transmitting the data after receiving the acknowledgement signal, which ensures reliable data transmission and provides synchronization control.

3, frame synchronization: in data transmission, the data is divided into fixed-size frames, and each frame contains synchronization bytes or specific patterns of data for synchronization at the receiving end, which detects the synchronization bytes or specific patterns to determine the starting position of the data and ensure that the data is correctly parsed and processed.

4. Token Ring Control: Widely used in token ring networks in LANs, where a special token is passed to each device in turn in the network, and only the device holding the token can send the data, while the other devices are in a listening state, which ensures that the data is transmitted sequentially in the network and provides synchronization control.

5, request-response mechanism: in bus communication, the device sends a request to obtain data from other devices or perform a specific operation, other devices receive the request, according to the type of request to respond. The request-response mechanism coordinates operations between different devices and provides synchronization control.