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USB2514BI-AEZG

製品説明
仕様・特性

USB2514 USB 2.0 High-Speed 4-Port Hub Controller PRODUCT FEATURES Datasheet 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 4Port Hub supports Low-Speed, Full- Speed, and HighSpeed (if operating as a High-Speed Hub) downstream devices on all of the enabled downstream ports. General Features Hub Controller IC with 4 downstream ports High-performance multiple transaction translator. MultiTRAK™ Technology Provides one transaction translator per port Enhanced OEM configuration options available through either a single serial i2C EEPROM, or SMBus Slave Port 36-pin (6x6mm) and 48-Pin (7x7mm) QFN lead-free, RoHS compliant packages Footprint compatible with USB2513 and USB2512 (36-pin QFN) to provide designers with flexibility regarding the quantity of USB expansion ports utilized without redesign Flexible port mapping and disable sequence. Ports 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 Programmable USB differential-pair pin location Ease PCB layout by aligning USB signal lines directly to connectors Programmable USB signal drive strength. Recover USB signal integrity due to compromised system environment 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-current sense inputs Configure the delay time for turning on downstream port power Configure the polarity of downstream port power control signals Indicate the maximum current that the 4-port hub consumes from the USB upstream port Indicate the maximum current required for the hub controller Supports Custom String Descriptor up to 31 characters in length for: – Product String – Manufacturer String – Serial Number String 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/Pulldown resistors On Board 24MHz Crystal Driver or External 24/48MHz clock input USB host/device speed indicator. Per-port 3-color 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) Enhanced EMI rejection and ESD protection performance OEM Selectable Features Customize Vendor ID, Product ID, and Device ID Select whether the hub is part of a compound device (When any downstream port is permanently hardwired to a USB peripheral device, the hub is part of a compound device) SMSC USB2514 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 OverCurrent Detection on a Ganged or Individual Basis — 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 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 DATASHEET Revision 1.92 (05-08-07)

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