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User Guide (1)
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MC145576 Flexible ISDN NT1[MC145576]
Compact List
- No Longer Manufactured
- MC145576
ISDN Single-Chip NT1
The ISDN Single-Chip NT1 offers a solution for the design of Network Termination Equipment. It has a flexible interface, making it compatible with other NXP® ISDN components. When combined with Our controller family, the MC145576 becomes the heart of a powerful and cost-effective Smart NT1 solution.
The MC145576 integrated NT1 fully complies with the appropriate USA and European recommendations for the U-interface -- ANSI T1.601 1992, ETSI ETR 080, FT CS3211 in NT mode -- and the S/T-interface -- ITU I.430, ANSI T1.605, ETSI ETS 300 012 in NT mode.
The U-interface uses 2B1Q line coding. The device offers both GCI and IDL/SCP interfaces for compatibility with previous designs based upon the MC145574A S/T-Interface Transceiver and the MC145572 U-Interface Transceiver chip set. The SCP serial interface allows connection to the extensive family of NXP controllers.
When combined with a member of the MC68302 family of multiprotocol controllers, MC145484 PCM codec, and an analog line interface (SLIC), the MC145576 enables optimal design of a Smart NT1 or a Smart Terminal Adapter (U-interface based TA with an S/T bus access). The same architecture can be used with a second codec and SLIC to allow for a dual analog interface design.
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