ST5481 Description
ST5481 bines ISDN link access and an USB interface to allow a very simple USB/ISDN modem design with all ISDN protocols and upper applications processed into the HOST PC. s FULL-DUPLEX TRANSMISSION AT 192KBps ON SEPARATE TRANSMIT AND RECEIVE TWISTED PAIRS USING ALTERNATE MARK INVERSION (AMI) LINE CODING s 2 B CHANNELS AT 64KBps EACH PLUS 1 D CHANNEL AT 16KBps s ALL I.430 WIRING CONFIGURATIONS SUPPORTED INCLUDING...
ST5481 Key Features
- 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 15.36MHz crystal
- Internal regulator for 3.3V generation from USB bus 5V
- 48 pin TQFP package
- 0.35 micron HCMOS 6 process. DESCRIPTION ST5481 bines ISDN link access and an USB interface to allow a very simple USB/I