Neuromorphic architectures for spiking deep neural networks

We present a full custom hardware implementation of a deep neural network, built using multiple neuromorphic VLSI devices that integrate analog neuron and synapse circuits together with digital asynchronous logic circuits. The deep network comprises an event-based convolutional stage for feature extraction connected to a spike-based learning stage for feature classification. We describe the properties of the chips used to implement the network and present preliminary experimental results that validate the approach proposed.