About info2399

info2399 · 2013-10-19

Posted on October 20, 2013 at 00:37Does anyone know if it's guaranteed safe to apply a voltage to an analog input on a TMS32F0xxx if power is not present on the VDD and VDDA supply pins? Our system monitors an independently powered external sensor....

info2399 · 2013-10-18

Posted on October 19, 2013 at 05:31I'm new to the ST product line. While reading the datasheet for the STM32F051 I came across the following in section 3.5.1 ''Power supply schemes'':The VDDA voltage must always be greater or equal to the VDD volta...

info2399 · 2013-10-21

Posted on October 22, 2013 at 06:49Thank you Mayla, that's very helpful. Best regards, Norman

info2399 · 2013-10-19

Posted on October 20, 2013 at 04:20Hi Clive, Thank you again for the reply. I was clearly confused. The way you're talking, it sounds like this forum is at arm's length from ST. I reached it from the ST main site, and frankly, can't tell where o...

info2399 · 2013-10-19

Posted on October 20, 2013 at 01:56Hi Clive, Thank you for the reply. Please accept my apologies for making an inappropriate post. I'm new here. So that I don't repeat the mistake, what's the distinction between a ''user'' and a circuit designer ...

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STM32F0 Damage if voltage on analog input while no chip power?

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Re: STM32F0 Damage if voltage on analog input while no chip power?