王明杰;刘丽君;谭振玲;

1:山东省内燃机研究所

2:山东高密润达机油泵有限公司

    摘要：本文作者从实际应用出发,利用AVR系列Mega48单片机制作的单芯片转速表,并经过实际应用检验,在测量精度、对传感器的适应能力等方面与传统发动机转速表相比,具有一定的优势;在结构和成本方面,则大大优于传统转速表,具有较强的实际应用价值。

    关键词： Mega48;;转速表;;单芯片;;A/D转换器;;中断

    Abstract: The author designs the single chip speedcounter by the Mega48 microcontroller of AVR Series.Practical tests show that the speedcounter is advantage in measuring precision and adaptability capability to sensor in comparison with the traditional engine speed counter.It is more valuable and applicable in terms of it structure and cost.

    Keywords: Mega48 Microcontroller;Speed Counter;Mono-chip;A/D Swich;Interruption

参考文献：

[1]耿得根,马潮,等.AVR高速嵌入式单片机原理与应用,北京航空航天大学出版社

[2]ATMEL ATMega48/88/168.datasheet.ATMEL