SMSC USB3503 Manual Download Page 10

Page: 10 / 12

USB3503 Evaluation Board Manual

SMSC USB3503 EVB

Revision 1.0 (08-22-11)

USER MANUAL

5 USB3503 EVB Schematic

Figure 5.1 USB3503 EVB Schematic

USB3503 25-pin WLCSP Evaluation Board

DNP

USB Connectors

3.3V VBAT (200mA)

1.8V VCC_CORE (200mA)

DNP

Digital Control

DNP

OCS_N

PORT_PWR

DN1_DP

VDD_CORE

VDD33_BYP

DN2_DP

DN1_DM

DN2_DM

VBUS

DN3_DP

DN3_DM

VBAT

VDD33_BYP

VDD_CORE

VBUS

PORT_PWR

OCS_N

PORT_PWR

STROBE

DATA

VDD_PU

VBAT

VDD_PU

OSC

VDD_PU

Title

Size

Document Number

Rev

Date:

Sheet

3930 East Ray Road

Suite 200

Phoenix, Arizona 85044

480-759-0200

SCH-7238AZ-A12

PCB7238: USB3503 Evaluation Board

Monday, August 08, 2011

Title

Size

Document Number

Rev

Date:

Sheet

3930 East Ray Road

Suite 200

Phoenix, Arizona 85044

480-759-0200

SCH-7238AZ-A12

PCB7238: USB3503 Evaluation Board

Monday, August 08, 2011

Title

Size

Document Number

Rev

Date:

Sheet

3930 East Ray Road

Suite 200

Phoenix, Arizona 85044

480-759-0200

SCH-7238AZ-A12

PCB7238: USB3503 Evaluation Board

Monday, August 08, 2011

TP3

Orange

TP3

Orange

R/ANGLE USB A CON

USB-A

R/ANGLE USB A CON

USB-A

VCC

D-

D+

SHLD1

GND

SHLD2

USB MICRO-AB

VBUS

D-

D+

GND

SHLD1

SHLD2

SHLD3

SHLD4

SHLD5

SHLD6

SW3SW3

R25

ZERO

R25

ZERO

R16

10k

R16

10k

ZERO

30.1k

R14

10k

R14

10k

0.01uF

TP5TP5

C13

120uF

6.3V

C13

120uF

6.3V

R21

10k

R21

10k

R17

TPS79301

GND

ENA

BYP

OUT

R/ANGLE USB A CON

USB-A

R/ANGLE USB A CON

USB-A

VCC

D-

D+

SHLD1

GND

SHLD2

120uF

6.3V

120uF

6.3V

0.1uF

R23

10k

R23

10k

F-BEAD

LED2

GREEN

LED2

GREEN

TP1

Black

TP1

Black

MOM-ON

SW1

MOM-ON

SW1

C19

1.0uF

C19

1.0uF

R35

ZERO

R35

ZERO

USB3503_25WLCSP

OCS_N

INT_N

PORT_PWR

SDA

REF_SEL1

SCL

REF_SEL0

RESET_N

VDD12_BYP

DATA

VSS

REFCLK

USBDN2_DM

USBDN3_DM

USBDN2_DP

STROBE

USBDN3_DP

USBDN1_DP

USBDN1_DM

VDD33_BYP

VDD33

VBAT

VDD_CORE_REG

RBIAS

HUB_CONNECT

MTH4MTH4

18pF

R33

ZERO

R33

ZERO

C14

0.1uF

C14

0.1uF

R18

10k

R18

10k

ZERO

R36

12.0k

R36

12.0k

Power_Jack

MIC2026-1B

ENA

OUTA

OUTB

FLAGA

ENB

GND

FLAGB

R31

ZERO

R31

ZERO

14.3k

ZERO

4.7uF

R38

C10

0.01uF

C10

0.01uF

USB mini AB SMD

VBUS

D+

D-

GND

SHIELD1

SHIELD2

SHIELD3

SHIELD4

R12

ZERO

R12

ZERO

J3J3

J4J4

R32

ZERO

R32

ZERO

R22

MTH1MTH1

51.0k

R39

ZERO

R39

ZERO

R11

10k

R11

10k

C18

0.1uF

C18

0.1uF

C12

4.7µF

C12

4.7µF

R20

10k

R20

10k

R13

10k

R13

10k

TP4TP4

R37

330

R37

330

C17

0.1uF

C17

0.1uF

10k

R15

10k

R15

10k

TP2

Orange

TP2

Orange

R28

10k

R28

10k

MTH3MTH3

R34

10k

R34

10k

R/ANGLE USB A CON

USB-A

R/ANGLE USB A CON

USB-A

VCC

D-

D+

SHLD1

GND

SHLD2

R30

10k

R30

10k

R29

10k

R29

10k

R27

10k

R27

10k

4.7uF

SW2SW2

26.0 MHz

3.3V

26.0 MHz

3.3V

VCC

OUT

GND

ZERO

C15

120uF

6.3V

C15

120uF

6.3V

30.1k

TPS79301

GND

ENA

BYP

OUT

R24

10k

R24

10k

SCHMITT TRIG

MTH2MTH2

R19

10k

R19

10k

R10

10k

R10

10k

J5J5

J2J2

LED1

Green

LED1

Green

J1J1

18pF

R40

ZERO

R40

ZERO

R26

10k

R26

10k

C16

4.7uF

C16

4.7uF

C11

0.1uF

C11

0.1uF

TP6

Black

TP6

Black

Summary of Contents for USB3503

Page 1: ...le upon request SMSC products are not designed intended authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property damage Any and all such uses without prior written approval of an Officer of SMSC and further testing and or modification will be fully at the risk of the customer Copies of this docume...

Page 2: ...sic equipment necessary to evaluate the USB3503 The items included in the kit are 1 USB3503 EVB 2 5V DC Power Supply 3 Documentation and Software CD The kit does not include any downstream USB devices I2 C master hardware or other components for board customization 2 2 Initial Bring Up The USB3503 EVB has a default configuration that allows it to operate as a stand alone hub To begin connect the U...

Page 3: ... The label for the port is located near the receptacle The HSIC upstream port uses U FL connectors for Data and Strobe 3 2 Test Points Switches and LEDs There are multiple test points to confirm that the USB3503 EVB is powered properly TP1 and TP6 connect to GND TP2 connects to the VBAT pin and TP3 connects to the VDD_CORE_REG pin Figure 3 1 Block Diagram of the USB3503 EVB Figure 3 2 Upstream and...

Page 4: ...tions from Low 0V to High 1 25V These resistors are used for the REF_SEL pins Because these resistors and pads pull up to the 1 8V regulator any changes to these resistors will need to be done with the board unpowered The resistor pads are laid out in a manner that prevents the pull up resistors from being populated at the same time as the pull down resistors as shown in Figure 3 4 The following t...

Page 5: ...SB3503 can function with a single power supply to do this remove R8 and place a 0Ohm resistor on R9 This connects the VDD_CORE_REG pin to the VDD33_BYP pin allowing the USB3503 s internal 3 3V regulator to supply the VDD_CORE_REG voltage Below is a summary of the different power options and what resistors need to be populated to support these options INSTALL INSTALL EMPTY EMPTY 12 0 Figure 3 4 Con...

Page 6: ...are the locations of the resistors on the back side of the board INSTALL EMPTY INSTALL Onboard Regulator VDD33_BYP EMPTY EMPTY INSTALL External TP2 VDD33_BYP Figure 3 5 Regulator resistors Table 3 2 VBAT and VDD_CORE_REG source control R1 R8 R9 VBAT SOURCE VDD_CORE_REG SOURCE R1 R8 R5 R9 R35 ...

Page 7: ...run the executable and the Total Phase drivers to communicate with the Aardvark Once the software has been installed locate and run the USB3503 Evaluation exe program on the computer Connect the Aardvark to the USB3503 EVB with the red wire facing the power port as in Figure 4 1 The software allows the user to control the digital input pins RESET_N and CONNECT It also can monitor the INT_N pin for...

Page 8: ...the Digital Control Once the USB3503 has enumerated the serial interface registers should not be modified Notes To prevent the Aardvark from driving against another voltage the Aardvark is running in an Open Drain mode therefore it is important that all switches on the board pull the pins up to the Vcc value 4 2 I2C Communication The application also contains a general I2 C register read write sec...

Page 9: ... as a Self Powered or Bus Powered Hub with 1 2 or 3 downstream ports The VID PID DID and enumeration strings can also be customized to allow the USB3503 to enumerate with whatever identification is desired To change these values update the configuration section to the desired options then press the Configure button The part will then reset pull the CONNECT pin low and update the registers as speci...

Page 10: ...1 F BEAD L1 F BEAD LED2 GREEN LED2 GREEN 1 2 TP1 Black TP1 Black MOM ON SW1 MOM ON SW1 3 1 2 4 C19 1 0uF C19 1 0uF R35 ZERO R35 ZERO U3 USB3503_25WLCSP U3 USB3503_25WLCSP OCS_N B4 INT_N C5 PORT_PWR C4 SDA D5 REF_SEL1 D4 SCL E5 REF_SEL0 E4 RESET_N E3 VDD12_BYP D3 DATA E2 VSS C3 REFCLK B3 USBDN2_DM D2 USBDN3_DM D1 USBDN2_DP C2 STROBE E1 USBDN3_DP C1 USBDN1_DP A1 USBDN1_DM B1 VDD33_BYP A2 VDD33 A5 VB...

Page 11: ...CEPTACLE USB STYLE B RIGHT ANGLE 609 1045 ND FCI 87520 0010BLF Yes 19 1 P4 CONNECTOR RECEPT USB MINI AB 5POS RT ANG WM17122CT ND MOLEX 56579 0576 Yes P4 20 0 P5 CONNECTOR RECEPT MICRO USB TYPE AB SMT A97799CT ND TYCO ELECTRONICS 1981584 1 Yes P5 21 2 R1 R5 R8 R35 RESISTOR ZERO OHM 1 4W 5 1206 311 0 0ERCT ND YAGEO RC1206JR 070RL Yes R35 22 1 R2 RES 51 0K OHM 1 10W 1 0402 SMD P51 0KLCT ND Panasonic ...

Page 12: ...luation Board Manual SMSC USB3503 EVB 12 Revision 1 0 08 22 11 USER MANUAL 7 Revision History Table 7 1 Customer Revision History REVISION LEVEL DATE SECTION FIGURE ENTRY CORRECTION Rev 1 0 7 13 11 Initial Release ...

Search results

Summary of Contents for USB3503

Reviews:

Brands by name

Popular brands

SMSC USB3503, Manual

Search results

Summary of Contents for USB3503

Reviews:

Brands by name

Popular brands