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This paper presents a spike time event coding scheme for transmission of analog signals between configurable analog blocks (CABs) in a programmable analog array. The analog signals from CABs are encoded as spike time instants dependent upon input signal activity and are transmitted asynchronously by employing the address event representation protocol (AER), a widely used communication protocol in...
This paper presents the computation properties of an asynchronous spike event coding scheme employed for communicating signals between analog blocks in a programmable array. The computation is intrinsic to the spike event communication scheme and is performed without additional hardware. The ability of the communication scheme to perform computation will enhance the computation power of the programmable...
This paper presents a CMOS circuit implementation of a spike event coding/decoding scheme for transmission of analog signals in a programmable analog array. This scheme uses spikes for a time representation of analog signals. No spikes are transmitted using this scheme when signals are constant, leading to low power dissipation and traffic reduction in a shared channel. A proof-of-concept chip was...
A programmable analog array inspired from neuronal spike event coding is presented. A configurable event block forms the basic building block of the programmable array. The internal circuit schematics of the event block is presented. The event blocks in the array are programmed to perform as functional circuit blocks for neuromorphic and classical computations. A programmable array chip with 10 event...
In a neuromorphic sensing device, the non-idealities at the sensing circuitry manifest as spike timing errors at neuronal output. In this paper an on-chip adaptive spike timing based offset cancellation scheme for neuromorphic sensing devices is presented. A spike-time dependent learning algorithm suited to analog VLSI implementation is developed for weight adaption. An analog VLSI circuit implementation...
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