Multiplex communications – Communication techniques for information carried in plural... – Adaptive
Patent
1995-06-05
1997-02-11
Safourek, Benedict V.
Multiplex communications
Communication techniques for information carried in plural...
Adaptive
H04J 312
Patent
active
056028482
ABSTRACT:
A multi-mode time division multiplexing (TDM) interface circuit for interfacing between a serial data port and a data buffer is provided. The TDM interface circuit contains a transmitter and a receiver section. The circuit is programmable to operate in a variety of modes and is capable of supporting various multi-channel TDM interfaces as well as single channel analog interfaces. The circuit is programmable by writing a control word to a control register. In operation the circuit receives a frame synchronization signal, a gated bit clock signal, and a bit clock signal from the circuit with which it is interfacing on the serial data port. A base address input to a base address register provides up to 9 of the most significant bits of a data buffer address. A 12-bit counter is used to generate the remaining (least significant) bits of the data buffer address according to the control word in the control register.
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Andrews Lawrence P.
Davis Gordon T.
House Lee H.
Mandalia Baiju D.
Marks Laurence V.
Clark George E.
Cockburn Joscelyn G.
International Business Machines - Corporation
Ngo Ricky Q.
Safourek Benedict V.
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