USB2514 SMSC Corporation, USB2514 Datasheet
USB2514
Manufacturer Part Number
USB2514
Description
USB 2.0 High-Speed 4-Port Hub Controller
Manufacturer
SMSC Corporation
Datasheet
1.USB2514.pdf
(46 pages)
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PRODUCT FEATURES
General Description
The SMSC 4-Port Hub is low power, OEM configurable,
MTT (multi transaction translator) hub controller IC with
4 downstream ports for embedded USB solutions. The
4-port hub is fully compliant with the USB 2.0
Specification and will attach to an upstream port as a
Full-Speed Hub or as a Full-/High-Speed Hub. The 4-
Port Hub supports Low-Speed, Full- Speed, and High-
Speed (if operating as a High-Speed Hub) downstream
devices on all of the enabled downstream ports.
General Features
Hardware Features
OEM Selectable Features
SMSC USB2514
Hub Controller IC with 4 downstream ports
High-performance multiple transaction translator.
Enhanced OEM configuration options available
36-pin (6x6mm) and 48-Pin (7x7mm) QFN lead-free,
Footprint compatible with USB2513 and USB2512
Low power operation
Full Power Management with individual or ganged
On-chip Power On Reset (POR)
Internal 1.8V Voltage Regulator
Fully integrated USB termination and Pull-up/Pull-
On Board 24MHz Crystal Driver or External
USB host/device speed indicator. Per-port 3-color
Enhanced EMI rejection and ESD protection
Customize Vendor ID, Product ID, and Device ID
Select whether the hub is part of a compound device
MultiTRAK™ Technology Provides one transaction
translator per port
through either a single serial i2C EEPROM, or
SMBus Slave Port
RoHS compliant packages
(36-pin QFN) to provide designers with flexibility
regarding the quantity of USB expansion ports
utilized without redesign
power control of each downstream port
down resistors
24/48MHz clock input
LED drivers that indicate the speed of USB host and
device connection - hi-speed (480 Mbps), full-speed
(12 Mbps), low-speed (1.5 Mbps) (48-pin QFN)
performance
(When any downstream port is permanently
hardwired to a USB peripheral device, the hub is part
of a compound device)
DATASHEET
Applications
Flexible port mapping and disable sequence. Ports
Programmable USB differential-pair pin location
Ease PCB layout by aligning USB signal lines directly
Programmable USB signal drive strength. Recover
Select the presence of a permanently hardwired USB
Configure the delay time for filtering the over-current
Configure the delay time for turning on downstream
Configure the polarity of downstream port power
Indicate the maximum current that the 4-port hub
Indicate the maximum current required for the hub
Supports Custom String Descriptor up to 31
Pin Selectable Options for Default Configuration
LCD monitors and TVs
Multi-function USB peripherals
PC mother boards
Set-top boxes, DVD players, DVR/PVR
Printers and scanners
PC media drive bay
Portable hub boxes
Mobile PC docking
Embedded systems
can be disabled/reordered in any order to support
multiple product SKUs. Hub will automatically reorder
the remaining ports to match the Host controller's
numbering scheme
to connectors
USB signal integrity due to compromised system
environment using 4-level driving strength resolution
peripheral device on a port by port basis
sense inputs
port power
control signals
consumes from the USB upstream port
controller
characters in length for:
— Select Downstream Ports as Non-Removable Ports
— Select Downstream Ports as Disabled Ports
— Select Downstream Port Power Control and Over-
— Select Downstream Port Power Control Polarity
— Select USB Signal Drive Strength
— Select USB Differential Pair Pin location
— Select on-chip or off-chip voltage regulator mode
USB 2.0 High-Speed
4-Port Hub Controller
USB2514
Current Detection on a Ganged or Individual Basis
– Product String
– Manufacturer String
– Serial Number String
Revision 1.92 (05-08-07)
Datasheet
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