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8168_DDR3_读写错误



各位好,我使用的是DDR3(H5TQ2G83DFR),0.75V和1.5V电源纹波都在30mv左右,用GEL文件初始化后,下载DDR测试代码,对0x80000000开始写连续的1-1000,然后在读出数据。出现如下的错误,且多次执行出错的点都不一样。现在无法定位出问题在哪里,烦请各位给点意见,谢谢!

[CortexA8] 91, 91
[CortexA8] ddr test error! 93, 92
[CortexA8] 93, 93
[CortexA8] 94, 94
[CortexA8] 95, 95
[CortexA8] ddr test error! 97, 96
[CortexA8] 97, 97
[CortexA8] 98, 98
[CortexA8] 99, 99
[CortexA8] 100, 100
[CortexA8] 101, 101
[CortexA8] 102, 102
[CortexA8] 103, 103
[CortexA8] 104, 104
[CortexA8] 105, 105
[CortexA8] 106, 106
[CortexA8] 107, 107
[CortexA8] 108, 108
[CortexA8] 109, 109
[CortexA8] 110, 110
[CortexA8] 111, 111
[CortexA8] ddr test error! 113, 112
[CortexA8] 113, 113
[CortexA8] 114, 114
[CortexA8] 115, 115
[CortexA8] ddr test error! 117, 116
[CortexA8] 117, 117