INF5470 Fall 2010 Philipp Hfliger Lecture 5: Neuromorphic - - PowerPoint PPT Presentation

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INF5470 Fall 2010 Philipp Hfliger Lecture 5: Neuromorphic Communication Content The AER protocol Collision Handling Serial AER Lecture 5: Neuromorphic Communication 2 Content The AER protocol Collision Handling Serial AER Lecture

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INF5470 — Fall 2010

Philipp Häfliger Lecture 5: Neuromorphic Communication

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Content

The AER protocol Collision Handling Serial AER

Lecture 5: Neuromorphic Communication 2

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Content

The AER protocol Collision Handling Serial AER

Lecture 5: Neuromorphic Communication 3

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Address Event Representation: Basic Idea

Trading in parallelism for speed

Lecture 5: Neuromorphic Communication 4

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4 Phase Handshake

Asynchronous Communication

Lecture 5: Neuromorphic Communication 5

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Content

The AER protocol Collision Handling Serial AER

Lecture 5: Neuromorphic Communication 6

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Full Arbitration (1/3)

two input greedy arbiter

Lecture 5: Neuromorphic Communication 7

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Full Arbitration (2/3)

Glitch free two input greedy arbiter

Lecture 5: Neuromorphic Communication 8

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Full Arbitration (3/3)

8 input arbiter binary tree

Lecture 5: Neuromorphic Communication 9

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Discarding

Error detection encoding and collision discarding

Lecture 5: Neuromorphic Communication 10

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Age versus Loss Trade Off

A tunable compromise

Lecture 5: Neuromorphic Communication 11

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Content

The AER protocol Collision Handling Serial AER

Lecture 5: Neuromorphic Communication 12

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High Speed LVDS Serial AER

+ compact connector + high speed (∼ 100Mevents/s) + flexible word length

synchronous
power hungry (relatively)

Lecture 5: Neuromorphic Communication 13