19 AdEx Neuron NCS
19 : AdEx Neuron NCS
- Author: Chenxi Wen
- Description: Adaptive Exponential Integrate-and-Fire Neuron made using DPI circuits in subthreshold regime
- GitHub repository
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- Clock: 0 Hz
How it works
This is a DPi circuit based Mixed Signal Adaptive Exponential Neuron.
How to test
This neuron is controlled by analog biases controlled by an SPI register.
IO
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | NN_ack_VABI[0] | NN_req_VABO[0] | MUX_sel0_VSI |
| 1 | NN_ack_VABI[1] | NN_req_VABO[1] | MUX_sel1_VSI |
| 2 | NN_ack_VABI[2] | NN_req_VABO[2] | NN_ack_VABI[8] |
| 3 | NN_ack_VABI[3] | NN_req_VABO[3] | NN_ack_VABI[9] |
| 4 | NN_ack_VABI[4] | NN_req_VABO[4] | NN_ack_VABI[10] |
| 5 | NN_ack_VABI[5] | NN_req_VABO[5] | NN_req_VABO[8] |
| 6 | NN_ack_VABI[6] | NN_req_VABO[6] | NN_req_VABO[9] |
| 7 | NN_ack_VABI[7] | NN_req_VABO[7] | NN_req_VABO[10] |
Analog pins
ua | PCB Pin | Internal index | Description |
|---|---|---|---|
| 0 | B7 | 13 | BUF_prob_VX1O |
| 1 | B6 | 12 | NN_ref_VNI |
| 2 | B5 | 11 | NN_tau_VNI |
| 3 | B4 | 10 | V2I_cm_VI |
| 4 | B3 | 9 | V2I_bias_VPI |
| 5 | B2 | 8 | V2I_in_VI |