TPS65982ABZBHR datasheet(56/121 Pages) TI1

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Serial

Interface

Engine

Transceiver

LDO_3V3

RPU_EP

EP_TX_DP

1st Stage Mux

USB_RP

1st Stage Mux

USB_RP

C_USB_TP

C_USB_TN

C_USB_BP

C_USB_BN

USB_EP

EP_TX_DN

EP_RX_DP

EP_RX_RCV

EP_RX_DN

2nd Stage

Mux

2nd Stage

Mux

RS_EP

EP0 (

)

EP1

TX/RX

FIFO

To Digital

Core

RX/TX

Status

Control

Digital Core

Interrupts

and Control

VREF

2nd Stage Mux Input

TPS65982

SLVSD02D – MARCH 2015 – REVISED JUNE 2019

www.ti.com

Product Folder Links: TPS65982

Submit Documentation Feedback

Figure 46. Port Mux Clamp

9.3.4.7 USB2.0 Low-Speed Endpoint

The USB low-speed Endpoint is a USB 2.0 low-speed (1.5 Mbps) interface used to support HID class based

accesses. The TPS65982 supports control of endpoint EP0. This endpoint enumerates to a USB 2.0 bus to

provide USB-Billboard information to a host system as defined in the USB Type-C standard. EP0 is used for

advertising the Billboard Class. When a host is connected to a device that provides Alternate Modes which

cannot be supported by the host, the Billboard class allows a means for the host to report back to the user

without any silent failures.

Figure 47 shows the USB Endpoint physical layer. The physical layer consists of the analog transceiver, the

Serial Interface Engine, and the Endpoint FIFOs and supports low speed operation.

Figure 47. USB Endpoint Phy

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