【摘要】 针对公用事业计量收费的特点和技术要求,指出了现有IC卡预付费表应用系统在实际应用中存在的问题,提出了基于智能卡的预付费表应用系统的设计方案。选用美国德州仪器公司的MSP430系列微功耗单片机,使系统具有较低的功耗和较高的集成度,提高了系统的可靠性和抗干扰能力,对其他领域中采用IC卡预付费应用技术具有一定的借鉴意义。更多还原

【Abstract】 Aiming at the characteristic and the technique need of the meterage in public utility,the paper has pointed out the problem of the current IC card application system of prepay meter and raised out the design scheme based on the intelligent card application system of prepay meter.Using MSP430 series singlechip that is low power consumption,and the system has achieved less power consumption and higher integration.Accordingly,the reliability and the anti-jamming ability of the system are enhanced.It also represents a useful effort in other areas where the IC card prepay technique is used.更多还原