有一次心血来潮用2051做了个电话IC卡读卡器，想把卡里的数据读出来再改写（嘿嘿，居心不良），但结果如何呢？读没问题，写没门。我是没时间再耗在这玩意儿上来，有兴趣的朋友可以来研究研究。-2051 with one impulse to do a telephone IC card reader, want to read out the data card and then rewritten (嘿嘿, ill), but the result? Reading is no problem, no way to write. I was not wasting time on this stuff up, friends who are interested can study to study.