| 主权项 |
1. A node for use in a first ring bus communication system, which interconnects a plurality of nodes, the node comprising:
a plurality of input data ports, each receiving input data from an upstream node in serial format; a plurality of deserializer circuits each respectively associated with an input data port for receiving serial data from a respective input data port and converting it to parallel format; a plurality of input buffers each respectively associated with a deserializer circuit, for storing parallel format input data; a control circuit coupled to the plurality of input buffers for receiving stored input data and for controlling the flow of input and output data within the node, the control circuit containing the address of the node; an application circuit for receiving input data from the control circuit, and sending output data to the control circuit; a plurality of output buffers coupled to the control circuit each receiving parallel output data from the control circuit; a plurality of serializers respectively coupled to the plurality of output buffers each for connecting parallel output data from a respective buffer to serial data; and, a plurality of output ports respectively coupled to the serializers for providing serial output data to a downstream node; wherein the control circuit is configured to extract a node destination address from stored input data and, when the extracted node destination address corresponds to the node address, transfers the stored input data to the application circuit, and when the extracted node destination address does not correspond to the node address transfers the stored input data in the plurality of input buffers to the plurality of output buffers. |
