I want to use it to program a microcontroller and this is the recommended set up from the data sheet. I was wonder If I need these resistors or not. Recommended UART programming set up

I am not asking if STM32 chips require pull ups. I know they are required I am asking whether they are built in Silicon Labs CP2102N or not.

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    \$\begingroup\$ Sorry, but if the manufacturer says you have to add them, why would you think can do without? \$\endgroup\$ – Oldfart Oct 6 '19 at 12:52
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    \$\begingroup\$ Possible duplicate of Pull up resistors on UART \$\endgroup\$ – Oldfart Oct 6 '19 at 13:05
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    \$\begingroup\$ If the Manufacturer recommends adding them, and some random person on the internet contradicts the manufacturer, who do you believe? What do you do? \$\endgroup\$ – Tyler Oct 6 '19 at 13:54
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    \$\begingroup\$ read the CP2102N datasheet \$\endgroup\$ – jsotola Oct 6 '19 at 15:15
  • \$\begingroup\$ @jsotola Would you elaborate. I read the datasheet and I could not find the answer. May be there is something that is understood by default and I did not understand it. \$\endgroup\$ – kadhem alabdulmuhsin Oct 6 '19 at 17:33

I asked the same question in Silicon Labs community website and they answered politely that CP2102N does have built-in pull up resistors. I tested this yesterday and I managed to program my microcontroller.


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