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TMS320F280049C: flash写成功了CAN的周期就会变高

Part Number: TMS320F280049C

先说一下现象,芯片是280049C 做的功能是故障存储,需要频繁写flash,2ms左右,只要flash写成功了CAN的周期就会变高,没写进去CAN周期在100ms,写成功了会到260左右,而且运行时间越长CAN周期就会变得越高

正常周期

写入flash后