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ST5481
L.O.U.I.S - LOW COST USB ISDN SOLUTION
PRODUCT PREVIEW
HARDWARE FEATURES S/T ISDN Interface
s COMMUNICATION DEVICE CLASS AND
VENDOR REQUESTS
s SUPPORTS OSI LEVEL 1 IN CONFORMANCE WITH UIT-T I.430 FOR BASIC ACCESS AT S AND T INTERFACES (ETSI 300012/ANSI T1.605)
s BUS OR SELF POWERED APPLICATION
(PIN PROGRAMMABLE)
s ONNOW POWER MANAGEMENT (D0,D2,D3)
SUSPEND MODE COMPLIANCE
s LINE INTERFACE TRANSFORMER DIRECT
DRIVE
s PIN PROGRAMMABLE HIGH/LOW POWER
USB DEVICE REGISTRATION, WAKE-UP CAPABILITY, USB DEVICE IDENTIFICATION GENERAL – USB hot plug and play interface. – Control access and interrupt handling provided through the USB interface. – All FIFOS and FIFOS management needed included for USB/ISDN data processing. – Internal PLL to generate the USB 48MHz clock from a 15.