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SLLSEO6B – JUNE 2015 – REVISED SEPTEMBER 2016 TUSB321 USB Type-C™ Configuration Channel Logic and Port Control with VCONN
1 Features 3 Description The TUSB321 device enables USB Type-C ports with
the configuration channel (CC) logic needed for TypeC ecosystems. The TUSB321 device uses the CC
pins to determine port attach and detach, cable
orientation, role detection, and port control for Type-C
current mode. The TUSB321 device can be
configured as a downstream facing port (DFP),
upstream facing port (UFP) or a dual role port (DRP)
making it ideal for any application. 1 USB Type-Cв„ў Specification 1.1
Backward Compatible with USB Type-C
Specification 1.0
Supports Up to 3 A of Current Advertisement
through dedicated Current Mode pin
Mode Configuration
– Host Only – DFP (Source)
– Device Only – UFP (Sink)
– Dual Role Port – DRP …
