An Energy-Efficient Low-Voltage Swing Transceiver for mW-Range IoT End-Nodes
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Date
2020
Publication Type
Conference Paper
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yes
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Abstract
As the Internet-of-Things (IoT) applications become more and more pervasive, IoT end nodes are requiring more and more computational power within a few mW of power envelope, coupled with high-speed and energy-efficient inter-chip communication to deal with the growing input/output and memory bandwidth for emerging near-sensor analytics applications. While traditional interfaces such as SPI cannot cope with these tight requirements, low-voltage swing transceivers can tackle this challenge thanks to their capability to achieve several Gbps of bandwidth at extremely low power. However, recent research on high-speed serial links addressed this challenge only partially, proposing only partial or stand-alone designs, and not addressing their integration in real systems and the related implications. In this paper, we present for the first time a complete design and system-level architecture of a low-voltage swing transceiver integrated within a low-power (mW range) IoT end-node processors, and we compare it with existing microcontroller interfaces. The transceiver, implemented in a commercial 65-nm CMOS technology achieves 10.2× higher energy efficiency at 15.7× higher performance than traditional microcontroller peripherals (single lane).
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Publication status
published
Editor
Book title
2020 IEEE International Symposium on Circuits and Systems (ISCAS)
Journal / series
Volume
Pages / Article No.
9181081
Publisher
IEEE
Event
2020 IEEE International Symposium on Circuits and Systems (ISCAS 2020) (virtual)
Edition / version
Methods
Software
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Date collected
Date created
Subject
IoT; SerDes; Energy efficient peripheral; SPI; Microcontroller
Organisational unit
03996 - Benini, Luca / Benini, Luca
Notes
Due to the Coronavirus (COVID-19) the conference was conducted virtually.