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Answer by Chester Gillon for Why are CC1 and CC2 only connected to USB-C?
The 5K1 pull-down resistors R48 and R57 shown connected to CC1 and CC2 respectively are the Rd terminations described in the Universal Serial Bus Type-C Cable and Connector Specification.The Rd...
View ArticleAnswer by Justme for Why are CC1 and CC2 only connected to USB-C?
USB specs forbid it.The CC pins are used to detect if something is connected and negotiate what it is that is connected before power is applied or data communication is started.You cannot have an USB...
View ArticleAnswer by Jonathan S. for Why are CC1 and CC2 only connected to USB-C?
CC1 and CC2 are required for communication with the charger (or other power source) in order to determine its current handling capability and/or negotiate higher power levels. You can't just draw as...
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Why are CC1 and CC2 only connected to USB-C?
This is a schematic where USB-C is used to power a circuit device.Notice that there are only VBUS and CC1 and CC2 (and of cource GND) connected to the USB-C holder.Question:What is the use of CC1 and...
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