详细讨论了TM卡的特点及其读写电路和软件程序,并简要介绍了一种TM卡收费电表的设计。
The characteristics of a TM card and its reading-writing circuit and software program are discussed in detail, and a design of TM card watt-hour meter is introduced in brief.
分析了非接触式IC卡芯片耦台电源及读写距离的计算方法,并简要介绍了相关低压电路的设计技术。
Method of calculation for the non-contact IC card chip coupling power supply and the read and write distance were analyzed, and the relative low-voltage circuit designs were introduced.
PC与DSP的数据交换采用高速静态RAM,并设计总线仲裁电路及相应的握手信号,以保证PC与DSP双方对RAM的正确读写。
PC and DSP exchange data using high speed static RAM and bus arbitration circuit and corresponding handshake signal is designed to ensure the correct reading and writing RAM.
紧接着按照非接触式ic智能射频卡特点,重点研发了射频ic卡及其读写器的硬件电路。
Basing on the characteristics of contactless RF IC card, this paper then stresses to analyse and develop the system's hardware circuit.
一种用于非接触式IC卡通用脱机型读写器的集成电路模块。
Provided is an integrated circuit module used for non contact type IC card general offline type reader and writer.
测试表明,优化后的电路在读写距离、电路尺寸、抗干扰性等方面都优于原样机。
Testing results show that the optimized circuit is superior to the original prototype in reading, writing distance, circuit size, and interference.
系统选w 78le516单片机和CPLD来构造控制电路,用读写速度快、功耗低的低电压外部数据存储器CF卡存储采集完的信号。
The system select W78LE516 MCU and CPLD to construct the control circuit and use quickly read and write low power consumption, low-voltage external data memory CF card to save the signal.
系统选w 78le516单片机和CPLD来构造控制电路,用读写速度快、功耗低的低电压外部数据存储器CF卡存储采集完的信号。
The system select W78LE516 MCU and CPLD to construct the control circuit and use quickly read and write low power consumption, low-voltage external data memory CF card to save the signal.
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