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// USB Physical Connectors

USB OTG Type-C

USB OTG over Type-C uses the CC pins to negotiate data roles instead of the legacy ID pin. A USB-C cable with active CC logic identifies which end is the host and which is the device.

// Specifications
Standard
USB 2.0 OTG / USB PD
Connector
USB-C
Role Negotiation
Via CC1 and CC2 pins
Host
Device with PD power role = source
Device
Device with PD power role = sink
Use Case
Smartphones, tablets, OTG adapters
// Pin Reference Table
Pin Name Function Type
A4 VBUS Power bus PWR
A5 CC1 Config channel 1 for role negotiation BUS
A6 D+ USB 2.0 data positive BUS
A7 D- USB 2.0 data negative BUS
A12 GND Ground GND
B5 CC2 Config channel 2 BUS