STOTG04E datasheet(3/26 Pages) STMICROELECTRONICS

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STOTG04E

Pin configuration

3/26

Pin configuration

Table 1.

Pin description

Figure 1.

Pin connections (Bottom View )

PlN N°

SYMBOL

I/O

NAME AND FUNCTION

ADR_PSW

I/O

Least significant bit of the I2C address of the transceiver input latched on reset;

PSW output enabling or disabling an external charge pump

SDA

I/O

I2C serial data (1)

3SCL

I2C clock

RESET/

Active low logic reset

INT/

Active low interrupt signal (open-drain)

SPEED

Mode of the transceiver (0 = low-speed, 1 = full-speed) (2)

VTRM

Power

Internal voltage regulator output; an external decoupling capacitor should be

connected (3)

SUSPEND

Power down input (0 = active mode, 1 = power down) (See

Table 8)

OE_TP_INT/

I/O

Output enable of the differential driver in the USB mode, I2C data enable in the

I2C mode or interrupt output

D– single-ended receiver output

D+ single-ended receiver output

RCV

Differential receiver output

ExpPad

Not Connected

SE0_VM

I/O

Single-ended zero input/output in the DAT_SE0 transmit mode, negative data

input/output in the single-ended transmit mode or TXD in the UART mode

DAT_VP

I/O

Data input/output in the DAT_SE0 transmit mode, positive data input/output in

the single-ended transmit mode or RXD in the UART mode

D-

I/O

Negative data line in the USB mode, I2C clock output in the I2C mode or serial

data output in the UART mode

D+

I/O

Positive data line in the USB mode, I2C serial data in the I2C mode or serial data

input in the UART mode

GND

Power Common analog and digital ground

I/O

ID pin of the USB connector used for protocol identification

VBUS

I/O

VBUS line of the USB interface – it needs an external capacitor of 4.7µF

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