Author Topic: multifunction output pin  (Read 2913 times)

lijun0

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multifunction output pin
« on: May 06, 2015, 03:20:39 PM »
Hi,
Can anyone explain the output config for multifunctional pin description on 520L0922?
"It is recommended to use the push/pull configuration for every situation where a load
is exclusively driven by the controller. Use sourcing or sinking when there are other
sources tied in parallel."

What is the difference between " push/pull " and "sourcing" config? anything relate to recirculating diode?
Thanks!

Offline Marbek_Elektronik

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    • Marbek Elektronik
Re: multifunction output pin
« Reply #1 on: May 06, 2015, 03:46:25 PM »
Hi,
push/pull: either sourcing or sinking output is driven. If Out=0 the output is grounded, if Out=1, the output is connected to supply voltage.
You can connect resistors and inductive loads, but no capacitors (max. 100nF?) because of current limit to 3000mA.

In case of switching a load from several devices, you configure for example: source.
So the pin is either connect to supply voltage or open. If it is open, you can also power the output pin from another source.
Marbek Elektronik, Dipl.-Ing. Bernd Konrad
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lijun0

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Re: multifunction output pin
« Reply #2 on: May 07, 2015, 02:52:00 AM »
Thanks Sir !