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文章介绍了TMS320DM642DSP芯片及其外部扩展存储器接口设计,以Hynix公司的SDRAM存储器(HY57V653220B)为例,给出了SDRAM与TMS320DM642具体的接口电路和相关寄存器的配置方法。
This paper introduces the design of TMS320DM642 DSP chip and its external expansion memory interface. Taking the Hynix SDRAM memory (HY57V653220B) as an example, the specific interface circuit and related register configuration methods of SDRAM and TMS320DM642 are given.