Expandable Networks for Neuromorphic Chips

@article{Merolla2007ExpandableNF,
  title={Expandable Networks for Neuromorphic Chips},
  author={Paul Merolla and John V. Arthur and Bertram E. Shi and Kwabena Boahen},
  journal={IEEE Transactions on Circuits and Systems I: Regular Papers},
  year={2007},
  volume={54},
  pages={301-311}
}
We have developed a grid network that broadcasts spikes (all-or-none events) in a multichip neuromorphic system by relaying them from chip to chip. The grid is expandable because, unlike a bus, its capacity does not decrease as more chips are added. The multiple relays do not increase latency because the grid's cycle time is shorter than the bus. We describe an asynchronous relay implementation that automatically assigns chip addresses to indicate the source of spikes, encoded as word-serial… CONTINUE READING

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