2-Port SS/HS USB Hub Controller

Datasheet

Revision 1.2 (05-31-13)

10

SMSC USB5532B

DATASHEET

Chapter 3 Pin Information

This chapter outlines the pinning configurations for each chip. The detailed pin descriptions are listed

by function in Section 3.2: Pin Descriptions (Grouped by Function) on page 11.

3.1

Pin Configurations

Figure 3.1 USB5532B 64-Pin QFN

Ground Pad

(must be connected to VSS with a via field)

SMSC

USB5532B

(Top View QFN-64)

64

63

62

61

60

59

58

57

56

54

53

52

51

50

49

55

32

31

30

28

27

26

25

VDD12

24

23

22

21

20

19

18

17

VDD33

RBIAS

XTALIN/CLK_IN

XTALOUT

USB3DM_RXUP

USB3DP_RXUP

VDD12

USB3DM_TXUP

USB3DP_TXUP

USB2DM_UP

USB2DP_UP

VDD33

ATEST

RESET_N

TEST

VDD12

29

NC

NC

NC

NC

VDD12

NC

NC

NC

NC

NC

VDD12

NC

NC

NC

NC

Indicates pins on the bottom of the device.