George Pallis wrote:
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...its the difference between a PC world where you are expected to have the occasional device boot proble,/mysterous glitch and it doesn't matter, and the real embedded world, where we really don't want multi-ton machines accelerating out of control occasionally, or furnaces melting every now and again.

TO my mind they are trying to get around what is a serious bug in their hardware with a kludge.

Supposed the system SHOULD be in reset, because Vcc is out of tolerance - it screws up the USB firmware !

This comment persuades me not to use Cypress.

Steve