呵呵。我其实也不想去分析它的,只是我烧了个uboot进去,却一点反应也没有,虽然我用的12M晶振,但正常的话起码也会在串口看到一些乱码吧,难道我用的uboot只支持网络?于是只好去测一下看程序有没有被bf532读出,现在看来是没有读出,我在ee240看到这句,不知是什么意思For the SPI memory detection routine explained above, the on-chip Boot ROM in silicon revision
0.2 and below checks whether the incoming data on the MISO pin is 0x00 (first byte of the loader
file). The on-chip Boot ROM in silicon revision 0.3 checks whether the incoming data on the MISO
pin is anything other than 0xFF. For this reason, SPI loader files built for silicon revision 0.2 and
below must have the first byte as 0x00. For silicon revision 0.3, the first byte of the loader file is set to 0x40.这个silicon revision
0.2就是版本号了,我的是0.4
[此贴子已经被作者于2006-10-17 16:19:33编辑过] |