我用原厂的dram初始化程序，用jlink写到0地址后执行，运行时电流明显增大，但运行后好像ddr2没有被初始化，当我用mem或w1等读写0xe0000000，或0xc0000000时都报错A precise data abort occurred.请问有没有大侠遇到过类似的，是什么原因，谢谢。我的ddr2是mt的MT47H64M16-25E，换成过现代的H5P1G63EFR-25c也试过，都一样的情况
读数据时报Info: CP15.0.0: 0x410FB767: ARM, Architecture Unknown architecture
Info: CP15.0.1: 0x1D152152: ICache: 16kB (4*128*32), DCache: 16kB (4*128*32)
DIDR: 6 Breakpoints available and 2 Watchpoints available.
A precise data abort occurred.
Could not read memory.
写数据时
Writing bin data into target memory @ 0xE4000000.
Info: CP15.0.0: 0x410FB767: ARM, Architecture Unknown architecture
Info: CP15.0.1: 0x1D152152: ICache: 16kB (4*128*32), DCache: 16kB (4*128*32)
DIDR: 6 Breakpoints available and 2 Watchpoints available.
A precise data abort occurred.
而且ddr的电源我也测过1.79v，cpu和ddr的ck线有时钟输出
ddr管脚的对地导通率也正确在7点几，说明焊接和ddr芯片本身没有问题，ddr2的时钟400M |
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