SMSC USB3250 - Manual

SMSC USB3250
PRODUCT PREVIEW
Revision 1.7 (05-11-07)
Data Brief PRODUCT FEATURES
USB3250
Hi-Speed USB Device
Transceiver with UTMI
Interface
„
USB-IF "Hi-Speed" certified to USB 2.0 electrical
specification
„
Interface compliant with the UTMI specification
(60MHz 8-bit unidirectional interface or 30MHz 16-bit
bidirectional interface)
„
Supports 480Mbps High Speed (HS) and 12Mbps
Full Speed (FS) serial data transmission rates
„
Integrated 45 Ω and 1.5kΩ termination resistors
reduce external component count
„
Internal short circuit protection of DP and DM lines
„
On-chip oscillator operates with low cost 12MHz
crystal
„
Robust and low power digital clock and data recovery
circuit
„
SYNC and EOP generation on transmit packets and
detection on receive packets
„
NRZI encoding and decoding
„
Bit stuffing and unstuffing with error detection
„
Supports the USB suspend state, HS detection, HS
Chirp, Reset and Resume
„
Support for all test modes defined in the USB 2.0
specification
„
Draws 72mA (185mW) maximum current
consumption in HS mode - ideal for bus powered
functions
„
On-die decoupling capacitance and isolation for
immunity to digital switching noise
„
Available in a 56-pin QFN package
„
Full industrial operating temperature range from
-40 o C to +85 o C (ambient)
Applications
The Universal Serial Bus (USB) is the preferred
interface to connect Hi-Speed PC peripherals.
„
Digital Still and Video Cameras
„
MP3 Players
„
External Hard Drives
„
Scanners
„
Entertainment Devices
„
Printers
„
Test and Measurement Systems
„
POS Terminals
„
Set Top Boxes