EVB-USB4640 SMSC, EVB-USB4640 Datasheet - Page 54
EVB-USB4640
Manufacturer Part Number
EVB-USB4640
Description
EVALUATION BOARD FOR USB4640
Manufacturer
SMSC
Datasheet
1.USB4640-HZH-03.pdf
(64 pages)
Specifications of EVB-USB4640
Main Purpose
Interface, USB 2.0 Hub
Embedded
*
Utilized Ic / Part
USB4640
Primary Attributes
*
Secondary Attributes
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
638-1107
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Revision 1.0 (06-09-09)
9.2
9.3
9.3.1
9.3.2
24 MHz ± 350 ppm
50% Duty cycle ± 10%, 24 MHz ± 350 ppm, Jitter < 1 00 ps rms.
The external clock is recommended to conform to the signaling level designated in the JESD76-2
specification on 1.8 V CMOS Logic. XTAL2 should be treated as a no connect.
I
Frequency is fixed at 58.6 kHz ± 20%
USB 2.0
The SMSC device conforms to all voltage, power, and timing characteristics and specifications as set
forth in the USB 2.0 Specification. Please refer to the USB 2.0 Specification for more information.
Ceramic Resonator
External Clock
2
C EEPROM
Figure 9.3 Ceramic Resonator Usage with SMSC IC
DATASHEET
High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
54
SMSC USB4640/USB4640i
Datasheet
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