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c6455 flash烧写 出错



AM29LV033C  8Bit flash 参考dsk电路图

EMIFA_CE3CFG = 0x00240120; /* 8-bit async, 10 cycle read/write strobe */

烧写出错

比如往0xB0000000写入0x01,结果0xB0000000和0xB0000001 都变为0x01 其他没影响

        往0xB0000001写入0x01,结果0xB0000000和0xB0000001 都变为0x01 其他没影响

其他地址与此相同如0xB0000002与0xB0000003、0xB0000004与0xB0000005......

非常困惑,没有思路  请多多指教