AN2484 datasheet(3/10 Pages) STMICROELECTRONICS

Numer części	AN2484

Szczegółowy opis	STOTG04 in power down mode

PDF	10 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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AN2484

STOTG04 Description

3/10

STOTG04 Description

The STOTG04 is a LS/FS USB OTG transceiver integrating a charge pump for VBUS voltage

generation, an ID line detector and interrupt generator, VBUS comparators, and integrated

switchable data line pull-up/pull-down resistors. The device is also capable of UART and

Audio Mode operation (refer to AN2148 for more information regarding STOTG04 in an

Audio Carkit Environment).

The device can be fully controlled through programming some internal registers through the

I2C serial bus. Figure 1 shows a simplified block diagram which can be useful to identify the

internal blocks described in the paragraphs that follow.

Refer to the STOTG04 datasheet for a detailed description of each block.

Figure 1.

STOTG04 block diagram

Charge

Pump

Oscillator

Bandgap

Reference

VBUS

VBAT

VTRM

D+

D-

Voltage

Regulator

VBAT

VTRM

CAP2

CAP1

SCL

ADR_PSW

SDA

DAT_VP

SE0_VM

RCV

OE_TP_INT/

SUSPEND

SPEED

INT/

RESET/

VBAT

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