Forums - Gpio Pin Voltage

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Gpio Pin Voltage
gdutka
Join Date: 21 Jun 19
Posts: 7
Posted: Wed, 2019-07-03 07:42

Hello All, 

  I have a question regarding the GPIO and board operating voltage. I know at default the board operates at 3.3 volts however I was wondering if there is any way to drive it down to 1.8 Volts. I want to hook up the QCA4020 board to another board which operates at 1.8 not 3.3 and I am looking for the simplest solution to this. For example, is there a jumper that I can remove/attach to drive down the gpio voltage for serial communication like UART to 1.8 Volts? 

 

thanks, 

 Gian  

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c_rpedad
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Join Date: 18 Jun 18
Location: San Jose
Posts: 317
Posted: Mon, 2019-08-26 17:22

CDB2x developemt kits operate at 3.3v .
However you can still use the older QCA402x EVK kits (QCA402x Carrier Borad + Mother Board) which can operate at 3.3v or 1.8v.

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