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CC2530的 flash无缘无故被擦除

Other Parts Discussed in Thread: LM1117, CC2530

主控制MCU通过UART口对2530模块发送命令,同一命令如果出现3次time out,则通过“RF_PWR”信号对2530模块的电源进行一次“掉电-重上电”过程。RF_PWR信号控制LM1117对2530模块的供电。掉电时,先拉低UART信号,再拉低RF_PWR信号。掉电时间为5s,然后重上电。

 

故障现象:

经过数次“掉电-重上电”后,发现2530的Flash被擦除(有部分被擦,也有全部被擦现象)

 

 

2530 Flash被擦除.docx