USB2512A Standard Microsystems Corp., USB2512A Datasheet
USB2512A
Manufacturer Part Number
USB2512A
Description
Usb2512a Usb 2.0 High-speed 2-port Hub Controller
Manufacturer
Standard Microsystems Corp.
Datasheet
1.USB2512A.pdf
(37 pages)
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PRODUCT FEATURES
General Description
T h e S M S C 2 - P o r t H u b i s a l o w p o w e r, O E M
configurable, STT (Single transaction translator) hub
controller IC with 2 downstream ports for embedded
USB solutions. The 2-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-/Hi-Speed Hub.
The 2-Port Hub supports Low-Speed, Full- Speed, and
Hi-Speed (if operating as a Hi-Speed Hub) downstream
devices on all of the enabled downstream ports.
General Features
Hardware Features
OEM Selectable Features
SMSC USB2512A
Hub Controller IC with 2 downstream ports
Enhanced OEM configuration options available
36-pin (6x6mm) QFN lead-free, RoHS compliant
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, Resonator or
Enhanced EMI rejection and ESD protection
Customizable Vendor ID, Product ID, and Device ID
Select whether the hub is part of a compound device
Flexible port mapping and disable sequence. Ports
Programmable USB differential-pair pin location.
Programmable USB signal drive strength. Recover
through either a single serial I
SMBus Slave Port
package
power control of each downstream port
down resistors
External 24MHz clock input
performance
(When any downstream port is permanently
hardwired to a USB peripheral device, the hub is part
of a compound device)
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.
Ease PCB layout by aligning USB signal lines directly
to connectors
USB signal integrity due to compromised system
environment using 2-level driving strength resolution
2
C EEPROM, or
DATASHEET
Applications
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
Indicate the maximum current that the 2-port hub
Indicate the maximum current required for the hub
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
peripheral device on a port by port basis
sense inputs
port power
consumes from the USB upstream port
controller
— Select Downstream Ports as Non-Removable Ports
USB2512A
USB 2.0 Hi-Speed 2-Port
Hub Controller
Revision 1.96 (07-11-08)
Datasheet
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