STW4811MBRASLASHLF datasheet(46/86 Pages) STMICROELECTRONICS

46 / 86 page

STw4811M/STw4811N

Functional description

45/85

Figure 12.

Thermal threshold temperatures for ‘it_warn’ bit and VDDOK ball

4.4

USB OTG module

This transceiver complies with the USB specification;

●

Universal serial bus specification Rev 2.0

●

On the go supplement to the USB specification Rev 1.0-a

●

Car kit interface specification (see: OTG transceiver specification Rev 0.92)

The USB OTG Transceiver has two modes: USB mode and UART mode. It includes:

●

Full and low speed transceiver (12 Mbit/s and 1.5 Mbit/s data rate)

●

Support data line and VBUS pulsing session request

●

Contains Host Negotiation Protocol (HNP) command and

status register

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Charge pump regulator (5 V at 100 mA) to supply VBUS line of the USB cable

●

VBUS pull-up and pull-down resistors as defined by Session Request Protocol (SRP)

●

VBUS threshold comparators

●

VUSB LDO internal regulator which provides power supply for the bus driver and

receiver.

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ID line detector and interrupt generator

●

Dedicated I²C serial control interface

Note:

The transceiver complies with USB specification if Vbat is greater than 3.2 V.

‘it_warn’ bit

VDDOK ball

Temperature

Rising warning

threshold

Shutdown

threshold

All supplies

are turn “OFF”

STW4811MBRA/LF Datasheet(PDF) 46 Page - STMicroelectronics

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