EVB-USB2514QFN48 SMSC, EVB-USB2514QFN48 Datasheet - Page 27
EVB-USB2514QFN48
Manufacturer Part Number
EVB-USB2514QFN48
Description
BOARD EVAL FOR USB2514 48-QFN
Manufacturer
SMSC
Specifications of EVB-USB2514QFN48
Main Purpose
Interface, USB 2.0 Hub
Embedded
No
Utilized Ic / Part
USB2514, USB2514I
Primary Attributes
Quad Port Hub, High Speed (480Mbps), I2C/SMBus
Secondary Attributes
Overcurrent Protection, Port Power Switching, ESD Protection
Interface Type
USB
Product
Interface Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
USB2514
Other names
EVB-USB2514GFN48
Q4128965
Q4128965
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USB 2.0 Hi-Speed Hub Controller
Datasheet
SMSC USB251x
5.3
SYMBOL
PLLFILT
CRFILT
VDD33
SEL48
VSS
NC
BUFFER
O12
IPD
IPU
I/O
IS
Buffer Type Descriptions
I
BUFFER
TYPE
I
Input.
Input/Output.
Input with internal weak pull-down resistor.
Input with internal weak pull-up resistor.
Input with Schmitt trigger.
Output 12 mA.
Table 5.2 USB251x Pin Descriptions (continued)
POWER, GROUND, and NO CONNECTS
48 MHz Clock Input Selection
48 MHz external input clock select. When the hub is clocked from an external
clock source, this pin selects either 24 MHz or 48 MHz mode.
‘0’ = 24 MHz
‘1’ = 48 MHz
VDD Core Regulator Filter Capacitor
This pin must have a 1.0 μF (or greater) ±20% (ESR <0.1 Ω) capacitor to
VSS.
3.3 V Power
PLL Regulator Filter Capacitor
This pin must have a 1.0 μF (or greater) ±20% (ESR <0.1 Ω) capacitor to
VSS.
Ground Pad / ePad
The package slug is the only VSS for the device and must be tied to ground
with multiple vias.
No Connect
No signal or trace should be routed or attached to these pins.
Table 5.3 Buffer Type Descriptions
DATASHEET
27
DESCRIPTION
DESCRIPTION
Revision 1.1 (04-26-10)
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