• 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

6.3.1.2 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

6.3.1.3 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.

VBUS

Rp (56k ±5%)

CC

CC

TUSB322

Legacy Host Adapter

Rd (5.1k ± 10%)

900KΩ ±1%

VBUS_DET

To System VBUS detection

Copyright © 2016, Texas Instruments Incorporated

Figure 6-1. Legacy Adapter Implementation Circuit

6.3.1.4 Direct Connect Devices

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

6.3.1.5 Audio Adapters

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

• Passive Audio Adapter

• Charge Through Audio Adapter

6.3.2 Port Role Configuration

The TUSB322I default operation is dual-role port (DRP). The TUSB322I will always default to DRP operation

anytime EN_N is asserted from high to low or I2C_SOFT_RESET bit is set. But the TUSB322I can be configured

as DFP-only or UFP-only through changing the default state of the MODE_SELECT register. DFP-only and

UFP-only mode is not available in GPIO mode. Table 6-1 lists the supported features in each mode:

www.ti.com

TUSB322I

SLLSEO5D – OCTOBER 2015 – REVISED MARCH 2021

Copyright © 2021 Texas Instruments Incorporated

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Product Folder Links: TUSB322I