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논문 기본 정보

자료유형
학술저널
저자정보
Jin-su Kim (Cheongju University) Yui-hwan Sa (Cheongju University) Hi-seok Kim (Cheongju University) Hyeong-woo Cha (Cheongju University)
저널정보
대한전자공학회 IEIE Transactions on Smart Processing & Computing IEIE Transactions on Smart Processing & Computing Vol.5 No.2
발행연도
2016.4
수록면
71 - 76 (6page)

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초록· 키워드

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A controller area network (CAN) receiver measures differential voltage on a bus to determine the bus level. Since 3.3V transceivers generate the same differential voltage as 5V transceivers (usually ≥1.5V), all transceivers on the bus (regardless of supply voltage) can decipher the message. In fact, the other transceivers cannot even determine or show that there is anything different about the differential voltage levels. A new CMOS RC oscillator insensitive supply voltage for clock generation in a CAN transceiver was fabricated and tested to compensate for this drawback in CAN communication. The system consists of a symmetrical circuit for voltage and current switches, two capacitors, two comparators, and an RS flip-flop. The operational principle is similar to a bistable multivibrator but the oscillation frequency can also be controlled via a bias current and reference voltage. The chip test experimental results show that oscillation frequency and power dissipation are 500 kHz and 5.48 mW, respectively at a supply voltage of 3.3 V. The chip, chip area is 0.021 ㎟, is fabricated with 0.18 μm CMOS technology from SK hynix.

목차

Abstract
1. Introduction
2. Circuit Configuration and Operation Principle
3. Experimental Data
4. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2016-569-002836916