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C6678 点与FPGA相连的LED灯问题



用的板子EVMC6678LE,

用的软件是CCS5.3,

想要实现的功能是控制与FPGA相连的4个LED灯

方法1:用了在网上下载的Ledtest测试工程,结果LED灯没反应

方法2:利用寄存器控制,结果用memory browse 看到地址里的值变了,但是LED灯没反应

请大家帮帮忙,指点!!!