我刚接触PIC ，装了开发环境和18c编译器后做了最简单的一个工程。编译的情况应该是正确的，烧写是有如下问题：
ICDWarn0068:
This device has a VPP(max) below the minimum ICD2 VPP level of 12V.
Please ensure that external protection for MCLR is in place.
(Press the Help button for an example circuit or use AC164112 available from microchipDIRECT.com.)
Connecting to MPLAB ICD 2
...Validating configuration fields
...Erasing Part
...Programming Program Memory (0x0 - 0x43F)
...Loading DebugExecutive
...Programming DebugExecutive
...Programming Debug Vector
...Programming RSBUG
Verifying...
ICDWarn0052: MPLAB ICD 2 cannot validate a target device. Please make sure that the target device is connected and properly powered. Select "OK" to continue, or "CANCEL" to abort the operation
...Program Memory
ICD0161: Verify failed (MemType = Program, Address = 0x0, Expected Val = 0xEFFA, Val Read = 0x0)
ICD0275:
Programming failed.
MPLAB ICD 2 ready for next operation
望各位锅炉的朋友帮我看下问题。 |
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