A Transceiver Front End for Electronic Control Units in FlexRay-Based Automotive Communication Systems

被引：16

作者：

Wang, Chua-Chin ^{[1
]}

Sung, Gang-Neng ^{[1
]}

Chen, Po-Cheng ^{[1
]}

Wey, Chin-Long ^{[2
]}

机构：

[1] Natl Sun Yat Sen Univ, Dept Elect Engn, Kaohsiung 80424, Taiwan

[2] Natl Cent Univ, Dept Elect Engn, Jhongli 32001, Taiwan

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2010年 / 57卷 / 02期

关键词：

Automobile electronic; FlexRay; in-car networking; low power; transceiver; JITTER;

D O I：

10.1109/TCSI.2009.2023932

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents an in-car networking transceiver front end that is compliant with FlexRay automotive electronic standards. A low-voltage differential-signaling-like transmitter is proposed to drive the twisted pair of the bus. Furthermore, a three-comparator scheme is used to carry out bit slicing and state recognition at the receiver end. In order to resist process and temperature variation, a 20-MHz clock generator with process, supply voltage, and temperature compensation is proposed in this paper. A prototype system as well as a chip implemented by using a typical 0.18 mu m single-poly six-metal CMOS process is reported in this paper. The proposed prototypical transceiver front end has been tested by the thermo chamber and a FlexRay development board to certify its operation in the [-40 degrees C- + 125 degrees C] temperature range and FlexRay standards. The power consumption of the whole chip is 43.01 mW at a 10 Mbit/s throughput. The core area of this design is 0.117 mm(2).The maximal throughput of the proposed prototypical transceiver front end can reach 40 Mbit/s.

引用

页码：460 / 470

页数：11

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