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Using SD and SC ports as UART

uart serial com4 i2c

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#1 unospacer

unospacer

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Posted 18 February 2013 - 04:21 PM

From the specs, I can see that SD and SC (I2C) ports can also be used as UART. I tried using COM4 but it I get no response from the connected device. I can communicate with the attached device over COM1 so I was wondering if I still need the pull-up 2.2k resistors on the I2C ports to make the COM 4 work properly.

 

Thanks!



#2 unospacer

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Posted 19 February 2013 - 08:53 PM

As a side note, I am using NETMF 4.3







Also tagged with one or more of these keywords: uart, serial, com4, i2c

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