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tms320F28377d 的emif模块,使用它来读写MR4A16b芯片?读写的数据不对,请问什么原因?

Other Parts Discussed in Thread: TMS320F28377D

tms320F28377d  的emif模块,使用它来读写MR4A16b芯片?读写的数据不对,引脚配置检查过了没有问题。MR4A16b的字节使能信号是一直使能,引脚直接接gnd,时序配置如下(系统时钟200M,EMIF的分频系数是1,EMIF的时钟为200M):

 Emif1Regs.ASYNC_CS2_CR.all =(EMIF_ASYNC_ASIZE_16  |

EMIF_ASYNC_TA_1 |

EMIF_ASYNC_RHOLD_2 |

EMIF_ASYNC_RSTROBE_4 |

EMIF_ASYNC_RSETUP_2 |

EMIF_ASYNC_WHOLD_2 |

EMIF_ASYNC_WSTROBE_2 |

EMIF_ASYNC_WSETUP_2 |

EMIF_ASYNC_EW_DSIABLE |

EMIF_ASYNC_SS_DISABLE

);

写入的数据不确定是不是写入,读取的数据全部是0.

controlSULTE 中这个芯片单核V190 下面,emif1_16bit_asram_cpu1,中使用的asram是哪个芯片,有对应的原理图吗?