摘要 |
Disclosed is a digital system which includes a digital bus, a sending device coupled to the bus for sending digital data words over the bus, and a receiving device coupled to the bus spaced apart from the sending device for receiving the sent words. Included in the receiving device is a storage circuit for temporarily storing multiple words from the sending device and a circuit for transmitting a response signal to the sending device each time a word is removed from the storage circuit; and included in the sending device is a control circuit for temporarily suspending the sending of the words over the bus whenever the number of words sent to the receiving device minus the number of response signals from the receiving device equals a predetermined number. |