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Chip Operation Mode selection in binary

Electrical Engineering Asked on November 23, 2021

For my project, I would like to design my own SATA->USB-C adaptor.

For this, I’m using the Odroid schematic (here), and also the schematics of Cubieboard (here).

My question is about the JMS539 datasheet, more precisely the pin 46. Here is the JMicron explanation :

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On the Odroid schematics, MODE_1 is VCC (5 V), and on the Cubieboard MODE_1 is VCC0 (3.3 V).

So, I’m wondering, what is 2'b01? VCC or VCCO? I know that 2'b01 is binary, but it’s incomprehensible for me.

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