| 摘要 |
The use of asymmetric signalling over channels is disclosed. Pursuant to one or more embodiments of the invention, the channels in the parallel bus operate as standard non-differential interconnects for data travelling in one direction through the bus, and operate as differential interconnects for data travelling in the other direction through the bus. So that data capacity of the bus remains the same in both directions, the data rate during differential transmission can be twice that of the data rate during standard transmissions. Asymmetric signalling can also occur over two unidirectional busses of channels to the same effect.
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