Integrated circuit and cordless telephone using the integrated c

Details Integrated circuit and cordless telephone using the integrated c Integrated circuit and cordless telephone using the integrated c

1992-07-21

1996-09-10

Kuntz, Curtis

Telephonic communications

Audio message storage, retrieval, or synthesis

379 58, H04Q 732

Patent

active

055552870

ABSTRACT:
An integrated circuit especially suitable for incorporation into the base and handset units of a cordless telephone integrates the speech, control channels, and microcontroller portions of a modem, and the man-machine interface functions of a cordless telephone. The integrated circuit includes one or more of a number of aspects including an in-circuit emulation mechanism, a simplified keypad reporting mechanism, advanced noise suppression mechanisms, a low power emergency mode mechanism, a low cost serial control bus, a port pin interrupt mechanism, advanced power saving mechanisms, spectral measurement test mode means, a novel shut down mechanism, and a pull-up disabling mechanism.

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