我在一块板上有这个三星芯片（三星s3c2510a），我想通过某种方法对其进行编程。但是，我身上没有jtag阅读器，而这块板有一个usb端口。有什么方法可以告诉我是否可以通过这个usb端口对芯片进行编程吗？我从三星的彩色激光打印机上撕下了电路板，电路板也有以太网连接。
此外，该板有4个引脚，称为“cn4-debug”。这有用吗？
这是一张图片：http://imageshack.us/photo/my-images/262/img20120527120306.jpg/一
Thanks, Rohit
我甚至怀疑为这个板编程是否可行。您可以检查是否有任何用于更新电路板的软件（来自制造商），并尝试反转协议。您还需要弄清楚固件文件的格式。有很多关于破解路由器固件的好东西可能会有所帮助。你应该能够找到一些邮件列表来寻求帮助。
对于任何通过USB编程的设备，或者实际上任何不属于片上编程/调试架构的端口，都需要支持该端口的软件/固件已经存在于芯片上。为此，一些微控制器包含基于ROM的主引导加载程序代码。S2C2510A没有这样的引导加载程序。但是，如果板上已经有软件，那么它的一部分可能确实是一个引导加载程序。然而，除非你能获得所使用协议的信息，否则你真的没有太大希望。
董事会的照片并没有什么帮助；你需要的是一份完整的数据表和/或原理图。您还需要芯片本身的数据表和用户参考手册。没有他们，你真的不太可能理解这个董事会。在我看来，该董事会不像开发董事会，因此可能无法获得董事会的具体信息。
CN4仅表示“连接器编号4”。只有四个引脚，它很可能只是连接到控制台UART，这是S3C2510A上最小的低速串行数据外围设备。
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