SMSC USB2502 User Manual

2-Port USB 2.0 Hub Controller

SMSC USB2502

9

Revision 2.3 (08-27-07)

Thermal Slug

(must be connected to VSS)

SMSC

USB2502

(Top View QFN-36)

Indicates pins on the bottom of the device.

VD

D

A

33

1

USBD

P

0

2

U

SBDN0

3

VSS

4

U

SBDN1

5

USBD

P

1

6

VD

D

A

33

7

USBD

P

2

8

U

SBDN2

9

18

VDD18

17

VSS

16

SELF_PWR

15

OCS_N

14

PRTPWR

13

PRTPWR_POL

12

GR2/NON_REM1

11

GR1/NON_REM0

10

VSS

VDD33CR

28

VSS

29

XTAL1/CLKIN

31

VDDA18PLL

32

VDDA33PLL

33

VSS

36

RBIAS

35

ATEST/REG_EN

34

XTAL2

30

26

VSS

25

VBU

S

_DET

24

R

E

S

E

T_N

23

TEST

22

C

L

KI

N_EN

21

C

F

G_SEL1

20

S

C

L

/SMBC

LK/

C

FG_SEL0

19

SD

A

/S

M

BD

A

T

A

27

VDD

1

8