SMSC EVB-USB3280 Manuale utente

SMSC EVB-USB3280 Revision 2.0 (12-18-06)

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EVB-USB3280 User Manual

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EVB-USB3280 User Manual

Revision 2.0 (12-18-06) SMSC EVB-USB3280

1 Overview

The EVB-USB3280 is a T&MT Daughter Card that may be attached to a USB link layer system to

create a USB device. The board edge connector meets the UTMI specification requirements for the

T&MT connector. The EVB-USB3280 supports the 8-bit bidirectional UTMI digital interface. A link to

both the UTMI specification and the T&MT specification is located in the SPECIFICATIONS section of

the USB3280 web page on the SMSC web site.

1.1 3.3 Volt Power Supply

The EVB-USB3280 requires a 3.3 volt supply capable of providing 80mA of current to be present at

the T&MT connector.

1.2 Edge Connector for Digital I/O

The T&MT edge connector is compliant to the UTMI specification. The 100 pin edge connector on the

EVB-USB3280 is an AMP 2-557101-5, and it mates with the AMP 2-557100-5.

1.3 Crystal Oscillator

The 24 MHz crystal is connected to the internal oscillator of the USB3280. A PLL circuit in the

USB3280 generates the 60MHz CLKOUT signal used by the link layer.

1.4 USB Connector

A standard type-B connector is provided to attach to the bus.

Figure 1 Top View of the EVB-USB3280

100-Pin

T&MT

Connector

USB

Type B

Connector USB3280 J2 - J6

Test Points

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EVB-USB3280 User Manual

SMSC EVB-USB3280 Revision 2.0 (12-18-06)

1.5 VBUS Present Detection

The SIE must detect VBUS when the USB cable is attached. The EVB-USB3280 ships with a resistive

voltage divider (R19 & R20) to divide the 5V signal to 3.3V at the T&MT connector. The resistor values

may be changed to meet the voltage requirements of the SIE.

The values used in this resistive divider will determine how much VBUS current is consumed during

suspend. A device must properly report this value in the descriptors.

1.6 UTMI Signal Test Points

The headers J2 through J6 provide convenient access to the UTMI signals, and each pin is labeled

with a signal name as shown in Figure 2 .

1.7 T&MT Connector Pinout

The T&MT specification defines the pin assignments for the T&MT connector. A link to the T&MT

specification is located in the SPECIFICATIONS section of the USB3280 web page on the SMSC

website. Please refer to the EVB-USB3280 schematic for information regarding which signals are used

and how the signals are connected in this implementation. site.

1.8 Board Schematic

The schematic diagram is included for reference, and can be enlarged for increased readablity. The

schematic is also available from the SMSC web site as a separate pdf document.

Figure 2 UTMI Signal Test Points

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Revision 2.0 (12-18-06) 4 SMSC EVB-USB3280

D D

C C

B B

A A

DATA0

DATA2

DATA1

DATA3

DATA4

DATA6

TXVALID

TXREADY

OPMODE1

OPMODE0

XCVRSELECT

TERMSELECT

DATA5

RESET

LINESTATE1

LINESTATE0

RXERROR

RXVALID

RXACTIVE

CLKOUT

DATA7SUSPENDN

DATA7

DATA6

DATA5

DATA4

DATA3

DATA2

DATA1

DATA0

CLKOUT

LINESTATE1

LINESTATE0

RXACTIVE

RXVALID

RXERROR

XCVRSELECT

TERMSELECT

OPMODE1

OPMODE0

SUSPENDN

RESET

TXVALID

VBUS_IN

TXREADY

RESET

TXVALID

VBUS_IN

DATA0

DATA1

DATA2

DATA3

DATA4

DATA6

DATA7

DATA5

XCVRSELECT

TERMSELECT

OPMODE1

OPMODE0

SUSPENDN

CLKOUT

LINESTATE1

LINESTATE0

RXACTIVE

RXVALID

RXERROR

TXREADY

3.3V

PHY_3.3VA PHY_1.8VA

PHY_1.8V

PHY_3.3VD

PHY_1.8V

PHY_3.3VA

PHY_1.8VA

3.3V

PHY_3.3VD

Title

Size Document Number Rev

Date: Sheet of

3930 East Ray Road

Suite 200

Phoenix, Arizona 85044

480-759-0200

SCH-7037AZ-A00 A

EVB_USB3280_SKT

11Monday, November 15, 2004

Title

Size Document Number Rev

Date: Sheet of

3930 East Ray Road

Suite 200

Phoenix, Arizona 85044

480-759-0200

SCH-7037AZ-A00 A

EVB_USB3280_SKT

11Monday, November 15, 2004

Title

Size Document Number Rev

Date: Sheet of

3930 East Ray Road

Suite 200

Phoenix, Arizona 85044

480-759-0200

SCH-7037AZ-A00 A

EVB_USB3280_SKT

11Monday, November 15, 2004

Place bypass capacitors as

close as possible to 3280

pins.

Keep ferite beads close

to USB Connector

POWER SUPPLY FILTERING

Low indicates daugher card present

R6 200R 1/10WR6 200R 1/10W

R12 200R 1/10WR12 200R 1/10W

R1 1M

1/10W

R1 1M

1/10W

VCC

D-

D+

GND

SHLD1

SHLD2

USB-B

R18

200R

1/10W

R18

200R

1/10W

24Mhz

R13 200R 1/10WR13 200R 1/10W

C12

0.1uF

C12

0.1uF

16V

0.1uF

16V

C17

10uF

6.3V

C17

10uF

6.3V

C13

0.1uF

16V

C13

0.1uF

16V

GND 2

GND 4

BValid

VDD 8

Tx_DAT 10

DmPulldown

DrvVbus

VDD 16

OpMode[1]

TermSelect

SuspendM

GND 24

TxBitstuffEnable

VBUS_out

VendorID[0]

GND 32

Data[11] 34

Data[9] 36

VDD 38

Force_RxErr

Data[3] 42

Data[1] 44

GND 46

Rx_DM 48

HostDisconnect

System_Clock

GND 54

AValid

DischrgVbus

TxValid

GND 62

IFType[0]

RxActive

GND 68

DIR 70

RxValid

RxError

GND 76

XcvrSelect[1]

GND 80

Data[14] 82

GND 84

Data[8] 86

Data[6] 88

Clk

GND 92

Data[0] 94

STP 96

RX_RCV 98

PSU_SHD_N

100

DDir

TxBitstuffEnableH

SesEnd

IdDig 7

GND 9

ChrgVbus

GND 13

SPKR_L

Reset

XcvrSelect[0]

GND 21

LineState[0]

23 LineState[1]

GND 27

VbusValid

Data[15] 31

Data[13] 33

GND 35

Data[7] 37

GND 39

Data[5] 41

GND 43

SPKR_MIC

VBUS_in

DC_PSNT_N

GND 51

GND 53

FsLsSerialMode 55

VDD 57

Tx_SE0 59

IdPullup 61

DpPulldown

GND 65

OpMode[0]

VDD 69

NXT 71

GND 73

TxReady

ValidH

Tx_Enable_N 79

VDD 81

Data[12] 83

Data[10] 85

VDD 87

IFType[1]

Data[4] 91

Data[2] 93

GND 95

Rx_DP 97

VendorID[1]

AMP_UTMI+_ULPI

R3 200R 1/10WR3 200R 1/10W

R2 200R 1/10WR2 200R 1/10W

0.1uF

16V

0.1uF

16V

C10

10uF

6.3V

C10

10uF

6.3V

0.1uF

16V

0.1uF

16V

C18

4.7uF

6.3V

C18

4.7uF

6.3V

FB5

F-BEAD

500mA / 0.1DCR

FB5

F-BEAD

500mA / 0.1DCR

33pF

50V

33pF

50V

12.0K

1/10W

12.0K

1/10W

MH 1

MH2

MTG250P125D

MH2

MTG250P125D

FB6

F-BEAD

500mA / 0.1DCR

FB6

F-BEAD

500mA / 0.1DCR

R8 200R 1/10WR8 200R 1/10W

FB4

F-BEAD

500mA / 0.1DCR

FB4

F-BEAD

500mA / 0.1DCR

R20

R21

CONN_5P

C14

0.1uF

16V

C14

0.1uF

16V

R4 200R 1/10WR4 200R 1/10W

C16

0.1uF

16V

C16

0.1uF

16V

CONN_5P

C20

1.0uF

16V

C20

1.0uF

16V

0.1uF

16V

0.1uF

16V

33pF

50V

33pF

50V

R9 200R 1/10WR9 200R 1/10W

R11 200R 1/10WR11 200R 1/10W

CONN_5P

C19

4.7uF

6.3V

C19

4.7uF

6.3V

R19

DNP

R19

DNP

R5 200R 1/10WR5 200R 1/10W

CONN_5P

R14 200R 1/10WR14 200R 1/10W

DATA6

DATA5

DATA4

RXVALID

DM 9

VDD33 29

RBIAS 36

DATA0

26 DATA1

25 DATA2

24 DATA3

VDDA18 33

VDD18 30

VDDA33 34

RXERROR

OPMODE1

OPMODE0

CLKOUT

LINESTATE1

15 LINESTATE0

VDD18 17

VDD33 18

DATA7

XCVRSELECT

TERMSELECT

TXREADY

SUSPENDN

TXVALID

RESET

VDDA33 7

DP 8

RXACTIVE

VDD33 10

VDDA33 35

FLAG

USB3280

0.1uF

16V

0.1uF

16V

MH 1

MH1

MTG250P125D

MH1

MTG250P125D

R10 200R 1/10WR10 200R 1/10W

0.1uF

16V

0.1uF

16V

CONN_5P

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