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SS/HSA pin

Question asked by BernhardR on May 22, 2014
Latest reply on May 27, 2014 by dlath

Hello all,

 

I am not quite sure about the SS/HSA pin. When configuring it, the logic high level has to be applied by the µC, but when using I2C + HSCD it acts as chip select  for the HSCD communication, thus turning the signal direction from input to output. Can I assume that SS/HSA it internally pulled up or is it allowed to connect it to an external pull-up (in order to keep a simple design) when using I2C + HSCD? What would be the recommended value for the pull-up resistor?

 

Best regards,

Bernhard

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