PC8051F020在HART流量仪表卡应用中的抗干扰设计

The anti-jamming design of PC8051F020 in the HART flow-meters card’s application

在介绍C8051F020微控制器的功能特点和资源以及HART流量仪表卡设计由来和应用场合的基础上,着重介绍了C8051F020微控制器在HART流量仪表卡应用中,采用电磁兼容性设计技术和可靠性设计技术,在电路原理图设计到P C B板设计所采取的一些具体方法和措施,以提高H A R T流量仪表卡的抗干扰能力和工作稳定性。

The article mainly has introduced functional characteristic and resource of the C8051F020 micro-controller. The card of HART flow meter designs origin and applied field. Keystone has introduced the C8051F020 micro-controller applications in the card of HART flow meter, and to apply the electromagnetic compatibility （EMC） design technology and the reliability design technology. Design from circuit principium to PCB has applied an actual method and measure, and has improved anti-jamming capability and work stability of the card of HART flow meter.