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MS430F448 "BLOW FUSE" fails with FET-Pro430

Other Parts Discussed in Thread: MSP430F448, MSP-TS430PZ100

Hi *,

I have problems blowing the fuse on my MSP430F448 chips. I use the following setup:

chip: MSP430F448 rev G

development board: MSP-TS430PZ100 rev 1.2

JTAG hardware: MSP-FET430UIF version 1.4a

JTAG software: FET-Pro430 (Lite) version 3.0-3

When I try to blow the security fuse I get the following message in FET-Pro430:

Blowing Security Fuse ................................  failed

Verification of the security fuse and initialization of the JTAG communication is working correctly. Also dumping the MSP430's internal memory is no problem. I power the board through the MSP-430UIF. I tried several different chips and all have the same problem. Do you have any idea what I can do to troubleshoot this problem?

Regards,

Piet Nowhere

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