Protel 99 可以打开。里面是5105芯片的机顶盒硬件设计方案和一个bin文件。包括pcb sch2个文件和一个bin文件。bin文件是用来共享某些CA系统的智能卡的。有了这3个文件，就可以找工厂代工生产硬件及烧录应用软件了。,Protel 99 can open. There are 5105 chip set-top box hardware design program and a bin file. Including pcb sch2 file and a bin file. b

The ST5105 has been superceeded by the ST5119, but it probably also maps memory in the same manner as the 5105 and it a safe bet that it also uses DCU3control for Jtagging

编一个程序找出所有的由四个不同数字组成的素数。-Find all by four different number of primes.