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C6678 运行报错 Power Failure on Target CPU

自己开发的C6678板卡,用SEED-XDS560v2连接后,8个核同时工作,大概50分钟后,报了如下错误:

C66xx_7: Power Failure on Target CPU

C66xx_7: Failed to remove the debug state from the target before disconnecting.  There may still be breakpoint op-codes embedded in program memory.  It is recommended that you reset the emulator before you connect and reload your program before you continue debugging

C66xx_0: Power Failure on Target CPU

C66xx_1: Power Failure on Target CPU

C66xx_2: Power Failure on Target CPU

C66xx_3: Power Failure on Target CPU

C66xx_4: Power Failure on Target CPU

C66xx_5: Power Failure on Target CPU

C66xx_6: Power Failure on Target CPU

 

不给C6678断电,重新连接仿真器,不成功,报如下提示:

C66xx_0: Error connecting to the target: Connect to PRSC failed

C66xx_1: Error connecting to the target: (Error -1180 @ 0x0) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.0.872.0)

C66xx_2: Error connecting to the target: (Error -1180 @ 0x0) Device is held in reset. Take the device out of reset, and retry the operation. (Emulation package 5.0.872.0)

C66xx_7: Error connecting to the target: Connect to PRSC failed

 

请问都有哪些可能会出现上面的错误,把程序烧写进去有没有可能出现上述类似的错误?

还有一个问题是PRSC的错误一般是什么?