VBUS

Rp (56k ±5%)

CC

CC

TUSB322

Legacy Host Adapter

Rd (5.1k ± 10%)

900KΩ ±1%

VBUS_DET

To System VBUS detection

TUSB322I

www.ti.com

SLLSEO5 – OCTOBER 2015

7.3 Feature Description

7.3.1 Cables, Adapters, and Direct Connect Devices

Type-C Specification 1.1 defines several cables, plugs, and receptacles to be used to attach ports. The

TUSB322I device supports all cables, receptacles, and plugs. The TUSB322I device does not support any USB

feature which requires USB Power Delivery communications over CC lines, such as e-marking or alternate

mode.

7.3.1.1 USB Type-C Receptacles and Plugs

Below is list of Type-C receptacles and plugs supported by the TUSB322I device:

•

USB Type-C receptacle for USB2.0 and USB3.1 and full-featured platforms and devices

•

USB full-featured Type-C plug

•

USB2.0 Type-C plug

7.3.1.2 USB Type-C Cables

Below is a list of Type-C cables types supported by the TUSB322I device:

•

USB full-featured Type-C cable with USB3.1 full-featured plug

•

USB2.0 Type-C cable with USB2.0 plug

•

Captive cable with either a USB full-featured plug or USB2.0 plug

7.3.1.3 Legacy Cables and Adapters

The TUSB322I device supports legacy cable adapters as defined by the Type-C Specification. The cable adapter

must correspond to the mode configuration of the TUSB322I device.

Figure 2. Legacy Adapter Implementation Circuit

7.3.1.4 Direct Connect Devices

The TUSB322I device supports the attaching and detaching of a direct-connect device.

7.3.1.5 Audio Adapters

Additionally, the TUSB322I device supports audio adapters for audio accessory mode, including:

•

Passive Audio Adapter

•

Charge Through Audio Adapter

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Product Folder Links: TUSB322I