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PDF USB5537B Data sheet ( Hoja de datos )

Número de pieza USB5537B
Descripción 7-Port SS/HS USB Hub Controller
Fabricantes SMSC 
Logotipo SMSC Logotipo



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USB5537B
7-Port SS/HS USB Hub Controller
PRODUCT FEATURES
General Description
The SMSC USB5537B hub is a 7-port SuperSpeed/Hi-
Speed, low-power, configurable hub controller family
fully compliant with the USB 3.0 Specification. The
USB5537B supports 5 Gbps SuperSpeed (SS),
480 Mbps Hi-Speed (HS), 12 Mbps Full-Speed (FS) and
1.5 Mbps Low-Speed (LS) USB signalling for complete
coverage of all defined USB operating speeds.
The USB5537B supports legacy USB speeds through its
USB 2.0 hub controller. The new SuperSpeed hub
controller (available on 4 of the 7 ports) operates in
parallel with the USB 2.0 controller, so the 5 Gbps
SuperSpeed data transfers are not affected by the
slower USB 2.0 traffic.
The USB5537B supports battery charging on a per port
basis. On battery charging enabled ports, the devices
provide automatic USB data line handshaking. The
handshaking supports USB 1.2 Charging Downstream
Port (CDP), Dedicated Charging Port (DCP) and legacy
devices.
The USB5537B is configured for operation through
internal default settings, where custom configurations
are supported through an on-chip OTP ROM, an
external SPI ROM, or SMBus.
Datasheet
Features
USB 3.0 compliant 5 Gbps, 480 Mbps, 12 Mbps and
1.5 Mbps operation, USB pins are 5 V tolerant
— Integrated termination and pull-up/pull-down resistors
Four downstream USB 3.0 ports
Three additional USB 2.0 ports for use cases where
SS is not required
Supports battery charging of most popular battery
powered devices
— USB-IF Battery Charging rev. 1.2 support (DCP & CDP)
— Apple Portable product charger emulation
— Blackberry charger emulation
— Chinese YD/T 1591-2006 charger emulation
— Chinese YD/T 1591-2009 charger emulation
— Supports additional portable devices
Emulates portable/handheld native wall chargers
— Charging profiles emulate a handheld device’s wall
charger to enable fast charging (minutes vs. hours)
Enables charging from a mobile platform that is off
Support tablets’ high current requirements
Optimized for low-power operation and low thermal
dissipation
Vendor Specific Messaging (VSM) support for
firmware upload over USB
Configuration via OTP ROM, SPI ROM, or SMBus
On-chip 8051 µC manages VBUS, and other hub
signals
8 K RAM, 32 K ROM
One Time programmable (OTP) ROM: 8 kbit
— Includes on-chip charge pump
Single 25 MHz XTAL or clock input for all on-chip PLL
and clocking requirements
Supports JTAG boundary scan
PHYBoost (USB 2.0)
— Selectable drive strength for improved signal integrity
VariSense (USB 2.0)
— controls the receiver sensitivity enabling four
programmable levels of USB signal receive sensitivity
IETF RFC 4122 compliant 128-bit UUID
Software Features
Compatible with Microsoft Windows 7, Vista, XP,
Mac OSX10.4+, and Linux Hub Drivers
SMSC USB5537B
DATASHEET
Revision 1.2 (05-31-13)

1 page




USB5537B pdf
7-Port SS/HS USB Hub Controller
Datasheet
Chapter 9 Datasheet Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Appendix A (Acronyms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Appendix B (References) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
SMSC USB5537B
5
DATASHEET
Revision 1.2 (05-31-13)

5 Page





USB5537B arduino
Chapter 3 Pin Information
7-Port SS/HS USB Hub Controller
Datasheet
3.1
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 12.
Pin Configurations
VDD12 55
VDD33 56
USB2DM_DN6 57
USB2DP_DN6 58
USB2DM_DN7 59
USB2DP_DN7 60
USB2DP_UP 61
USB2DM_UP 62
USB3DP_TXUP 63
USB3DM_TXUP 64
VDD12 65
USB3DP_RXUP 66
USB3DM_RXUP 67
ATEST 68
XTALOUT 69
XTALIN/CLK_IN 70
VDD33 71
RBIAS 72
SMSC
USB5537B
(Top View QFN-72)
Ground Pad
(must be connected to VSS with a via field)
36 PRT_CTL4
35 VDD12
34 USB2DM_DN5
33 USB2DP_DN5
32 USB3DM_RXDN4
31 USB3DP_RXDN4
30 VDD12
29 USB3DM_TXDN4
28 USB3DP_TXDN4
27 USB2DM_DN4
26 USB2DP_DN4
25 USB3DM_RXDN3
24 USB3DP_RXDN3
23 VDD12
22 USB3DM_TXDN3
21 USB3DP_TXDN3
20 USB2DM_DN3
19 USB2DP_DN3
SMSC USB5537B
Indicates pins on the bottom of the device.
Figure 3.1 USB5537B 72-pin QFN
11
DATASHEET
Revision 1.2 (05-31-13)

11 Page







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