USB3319 查看數據表（PDF） - SMSC -> Microchip

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USB3319

Hi-Speed USB Transceiver with 1.8V ULPI Interface - 13MHz Reference Clock

SMSC -> Microchip 

Hi-Speed USB Transceiver with 1.8V ULPI Interface - 13MHz Reference Clock

Voltage at the VBUS pin must not be allowed

to exceed VVMAX.

Link Controller

RVBUS may be installed in this

configuration to assist in protecting

the VBUS pin. 820 Ohms will

protect against VBUS transients up

to 8.5V.

VBUS Switch

EN OUT

IN

5V

The capacitor CVBUS must be

installed on this side of RVBUS.

USB

Receptacle

VBUS 1

DM 2

DP

3

ID

4

GND

SHIELD

RVBUS 2

3.1 - 5.5V

Supply

3

CBYP

4

CVBUS

COUT

5

6

1

8

7

USB331X

VBUS

VBAT

VDD3.3

DATA7

DATA6

DATA5

DATA4

DATA3

DATA2

DATA1

DATA0

STP

NXT

DIR

CLKOUT

RESETB

REFCLK

DM

VDD18

DP

ID

SPKR_L

RBIAS

SPKR_R/M

GND FLAG

9

10

11

12

14

15

16

17

20

18

19

13

22

23

Signal at REFCLK

must comply with

VIH and VIL

21

CBYP

24

8.06k

CPEN

DATA7

DATA6

DATA5

DATA4

DATA3

DATA2

DATA1

DATA0

STP

NXT

DIR

CLKOUT

RESETB

Reference

1.8V Supply

Optional

Switched Signal

to DP/DM

Figure 3.1 USB3319 QFN Application Diagram (Host or OTG)

SMSC USB3319 REV C

9

PRODUCT PREVIEW

Revision 2.1 (06-10-10)

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