STOTG04ES

Pin configuration

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Pin configuration

Table 1.

Pin description

Figure 1.

Pin connections (bottom view )

PlN N°

SYMBOL

I/O

NAME AND FUNCTION

1

ADR_PSW

I/O

PSW output enabling or disabling an external charge pump

2

SDA

I/O

3SCL

I

4

RESET/

I

Active low logic reset

5

INT/

O

Active low interrupt signal (open-drain)

6

SPEED

I

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

7

Power

Internal voltage regulator output; an external decoupling capacitor should be

connected (3)

8

SUSPEND

I

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

Table 8)

9

OE_TP_INT/

I/O

Output enable of the differential driver in the USB mode or interrupt output

10

VM

O

D– single-ended receiver output

11

VP

O

D+ single-ended receiver output

12

RCV

O

Differential receiver output

ExpPad

-

Not Connected

13

SE0_VM

I/O

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

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

14

DAT_VP

I/O

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

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

15

D-

I/O

Negative data line in the USB mode or serial data output in the UART mode

16

D+

I/O

Positive data line in the USB mode or serial data input in the UART mode

17

GND

Power Common analog and digital ground

18

ID

I/O

ID pin of the USB connector used for protocol identification

19

I/O

20

Power Analog power supply voltage (+2.7V to +5.5V)

21

CAP1

I/O

External capacitor pin for the charge pump

22

CAP2

I/O

External capacitor pin for the charge pump