结贴了
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参考数据手册可知
• Segment size is 1KB for both main memory and information memory.
• Information memory segment can be erased separately or as a group with main memory segments 0 to n.
• Information memory segment contains calibration data. After reset, information memory segment is protected against programming and erasing. It can be unlocked but care should be taken not to erase this segment if the device-specific calibration data is required.
即MSP430i2041的信息flash只有一个1kB的段。信息flash可以被单独擦除或是作为main 0-n 信息段。请注意flash擦除的最小单位是段。