Hi ti，
MSP430F247芯片是否有做过器件升级？
之前买的货在程序运行之前不加 SVSCTL = 0x68; 这句是没有问题的。 之后近期有采购过一批，不加这句在上电的时候读EEPROM数据不控的。
加上后一切正常，芯片没有问题，仅仅只是想确认下MSP430F247这个芯片最新的批次是否有做过升级？
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