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

[quote="Guenther Daubach"]


[quote="RobotWorkshop"]

I thought that I read that the new USB SX-Key may work just fine at 3.3v or 5v. Does anyone have the new one and if so how does it work?
Robert
[/quote]

The components on the new SX-Key USB are always powered from the USB port, i.e. with 5 Volts, so the supply voltage of the target system does not matter. Actually, the Vdd pin on the SX-Key USB is not connected to keep the SX-Key and the target device's supplies separated.

[/quote]yeah, they were out of stock then I had someone make the order for me last week...

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