ARM920T 2440开发板

https://www.cnblogs.com/zyly/p/14841687.html

https://developer.arm.com/documentation/ddi0151/c/debug-support/arm920t-core-clocks?lang=en

https://blog.csdn.net/LYX_WIN/article/details/51918296

https://blog.csdn.net/dengxin123/article/details/2914957

https://www.eefocus.com/circuit/1142782.html