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  Microchip Technology Semiconductor Electronic Components Datasheet  

USB2517 Datasheet

USB 2.0 Hi-Speed 7-Port Hub Controller

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USB2517/USB2517I
USB 2.0 Hi-Speed 7-Port Hub Controller
General Description
The 7-Port Hub is a low power, OEM configurable, MTT
(multi transaction translator) hub controller IC with 7
downstream ports for embedded USB solutions. The 7-
port hub is fully compliant with the USB 2.0 Specifica-
tion and will attach to an upstream port as a Full-Speed
Hub or as a Full-/Hi-Speed Hub. The 7-Port Hub sup-
ports Low-Speed, Full-Speed, and Hi-Speed (if operat-
ing as a Hi-Speed Hub) downstream devices on all of
the enabled downstream ports.
General Features
• Hub Controller IC with 7 downstream ports
• High-performance multiple transaction translator
MultiTRAK™ Technology provides one transac-
tion translator per port
• Enhanced OEM configuration options available
through either a single serial I2C EEPROM, or
SMBus Slave Port
• 64-Pin (9x9 mm) QFN, RoHS compliant package
• Supports commercial (0ºC to +70ºC) and indus-
trial (-40ºC to +85ºC) temperature ranges
Hardware Features
• Low power operation
• Full Power Management with individual or ganged
power control of each downstream port
• On-chip Power On Reset (POR)
• Internal 1.8V Voltage Regulator
• Fully integrated USB termination and Pull-up/Pull-
down resistors
• On Board 24MHz Crystal Driver, Resonator, or
External 24/MHz clock input
• USB host/device speed indicator. Per-port 3-color
LED drivers indicate the speed of USB host and
device connection - hi-speed (480 Mbps), full-
speed (12 Mbps), low-speed (1.5 Mbps)
• Enhanced EMI rejection and ESD protection per-
formance
OEM Selectable Features
• Customizable Vendor ID, Product ID, and Device
ID
• Select whether the hub is part of a compound
device (When any downstream port is perma-
nently hardwired to a USB peripheral device, the
hub is part of a compound device.)
• Flexible port mapping and disable sequence.
Ports can be disabled/reordered in any order to
support multiple product SKUs. Hub will automati-
cally reorder the remaining ports to match the
Host controller's numbering scheme
• Programmable USB differential-pair pin location
- Eases PCB layout by aligning USB signal
lines directly to connectors
• Programmable USB signal drive strength.
Recover USB signal integrity due to compromised
system environments using 4-level driving
strength resolution
• Select the presence of a permanently hardwired
USB peripheral device on a port by port basis
• Configure the delay time for filtering the over-cur-
rent sense inputs
• Configure the delay time for turning on down-
stream port power
• Indicate the maximum current that the 347-port
hub consumes from the USB upstream port
• Indicate the maximum current required for the hub
controller
• Support Custom String Descriptor up to 31 char-
acters in length for:
- Product String
- Manufacturer String
- Serial Number String
• Pin Selectable Options for Default Configuration
- Select Downstream Ports as Non-Removable
Ports
- Select Downstream Ports as Disabled Ports
- Select Downstream Port Power Control and
Over-Current Detection on a Ganged or Indi-
vidual Basis
- Select USB Signal Drive Strength
- Select USB Differential Pair Pin location
2013-2016 Microchip Technology Inc.
DS00001598B-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

USB2517 Datasheet

USB 2.0 Hi-Speed 7-Port Hub Controller

No Preview Available !

USB2517/USB2517I
Applications
• 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
DS00001598B-page 2
2013-2016 Microchip Technology Inc.


Part Number USB2517
Description USB 2.0 Hi-Speed 7-Port Hub Controller
Maker Microchip
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USB2517 Datasheet PDF






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