CLOCKLESS SERIAL DATA TRANSFER

摘要

Method and apparatus are disclosed for the serial transfer of data in a clockless manner. Data is transmitted in the form of signal state changes from a dispatcher to a receptor. The receptor is operative to translate the signal state changes into data and thereafter signal the data dispatcher that it has done so. The dispatcher is operative to transmit the next piece of data only after it has been appropriately signalled by the receptor. In accordance with another aspect of the invention, the dispatcher is capable of notifying the receptor when an end to the transmittal of data has occurred. The data receptor does not signal the dispatcher for further data when this occurs. The receptor instead signals a data sink that the previously transmitted data is available for copying. The data sink copies the data and thereafter authorizes the receptor to initiate further data receiving operations.