IEICE Transactions on Electronics
Online ISSN : 1745-1353
Print ISSN : 0916-8524
A High-Speed PWM-Modulated Transceiver Network for Closed-Loop Channel Topology
Kyongsu LeeJae-Yoon Sim
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ジャーナル 認証あり 早期公開

論文ID: 2020CDS0001

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This paper proposes a pulse-width modulated (PWM) signaling [1] to send clock and data over a pair of channels for in-vehicle network where a closed chain of point-to-point (P2P) interconnection between electronic control units (ECU) has been established. To improve detection speed and margin of proposed receiver, we also proposed a novel clock and data recovery (CDR) scheme with 0.5 unit-interval (UI) tuning range and a PWM generator utilizing 10 equally-spaced phases. The feasibility of proposed system has been proved by successfully detecting 1.25 Gb/s data delivered via 3 ECUs and inter-channels in 180 nm CMOS technology. Compared to previous study, the proposed system achieved better efficiency in terms of power, cost, and reliability.

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© 2020 The Institute of Electronics, Information and Communication Engineers
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