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请问F28335最多可外扩多大的SRAM？
支不支持iis42s16400j-7tli SRAM芯片？
1.F28335的xintf每个区地址线有XA[19:0]，20位， 2^20 即1M。
http://www.ti.com.cn/general/cn/docs/lit/getliterature.tsp?baseLiteratureNumber=spru949&fileType=pdf
2.需要查下芯片手册看下数据线以及地址线信息。
参考下图：
