【摘要】 介绍了加气机中基于ARMLPC2131单片机的射频卡的设计方案。针对该射频卡毋须接触、实时快速、稳定性好、工艺精度高的特点,着重介绍了其硬件设计和软件流程。采用该射频卡的加气机在LNG和CNG加气站具有很高的实用价值。更多还原

【Abstract】 The design of RF card in filling machine based on ARMLPC2131 was introduced.Aimed at the characteristics of a contactless card,real-time,fast, good stability,high accuracy,this article focused on its hardware and software design process.Use of the RF card dispensers in the LNG and CNG filling stations has high practical value.更多还原