在我的嵌入项目中,正在利用JTAG的接口下载该守则,并减少下载的申请。 但是,我不知道在所设立的联合军团内部发生的情况。
任何人都能够向我介绍所设立的联合过渡小组的基本想法/流程(高级别观点),这将真正帮助我更好地了解我的发展系统。
为了补充Cliffords的答复,这里有一些情况:
http://www.fpga4fun.com/JTAG2.html。
主要的控制器国家机器是你将出版的正文。 这确实是联合信托机构的关键。 正如Clifford所说的那样,你可以查阅奇普·德比格登记册。 主要控制器国家机器是所有JTAG辅助设备通用的,但通过JTAG可以进入的登记地址、长度等。 而且,为了做一些有用的事情,你不得不读写的顺序在供应商和供应商之间有很大的不同。 例如,ARM的一些技术参考手册(针对各个核心)有《技援方案》管制人员一章,其中附有这方面的情况,以及阅读和撰写登记册或记忆或停止处理程序的详细内容。
当适用于加工商减标时(由于JTAG通常被用作边界扫描测试接口),JTAG只是一种与装置中弹 de和记忆接口沟通的手段。
JTAG本身是一个简单的同步序列数据公共汽车。 设在“JTAG链”上的JTAG装置只是通过转移登记册锁定数据,直到所需数据在登记册中。 能否将数据输入单芯片清册,取决于轮值登记册的长短以及同一条链上任何前列装置的登记时间。 JTAG的运行是一种循环,使数据输入与数据对应,延误相当于链条总线长度。
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