于 2013年09月16日 19:06, Mark Brown 写道: > I don't know what you mean by "the dummy". Please see the datasheet of the NOR: www.spansion.com/Support/Datasheets/S25FL128S_256S_00.pdf Please see the page 100, the Quad I/O Read, the figure 10.37 shows the dummy. The dummy is just a delay in a command sequence. The dummy maybe only several clock cycles, less then 8 bit. thanks Huang Shijie -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
