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请教关于MSP430外扩RAM的问题

最近做个小项目发现用的MSP430的数据存储区不够用了,考虑到换RAM的片子成本太大,想外扩RAM,使用像24C64或93C46这样的EEPROM。

但MSP430并没有把内部的总线连接出去的,觉得不能像51那样弄呀?

所以特来请教大家。

谢谢