In SX Microcontrollers, SX/B Compiler and SX-Key Tool, william wrote:

How to revive a SX28DP that suddenly just died?
It stopped oscillations.  ( it was programmed to use internal oscillator at 4Mhz )
It also refused to accept new downloads ( Chip Connection Error ) no matter how many times I try.
This SX was downloaded about 50 times in 1 week and it suddenly just died when I plugged in the SX-Key.

At first, I thought nothing about it, and just replaced the SX28 chip.
Then after about 1 week, the new chip also died in the same manner.

Usually I plug in the SX-Key with the chip still powered.  Is this acceptable?

Could it something to do with the v3.10 IDE?

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