[求助]请教icd2烧写pic16f877a的问题
以前用一直很正常，近来经常出现如下问题
Programming Target...
...Validating configuration fields
...Erasing Part
...Programming Program Memory (0x0 - 0x7FF)
...Loading DebugExecutive
...Programming DebugExecutive
...Programming Debug Vector
Verifying...
...Program Memory
ICD0161: Verify failed (MemType = Program, Address = 0x3, Expected Val = 0x281E, Val Read = 0x2804)
ICD0275: Programming failed.MPLAB ICD 2 Ready
芯片能连上，但是烧写总有问题，有时候又莫名其妙好了，时好时坏，几天了，很是郁闷，不知道问题出在哪里。请达人指教，非常感谢。
