Line Powered Modem plus DAA
CMX878
Note that if any changes are made to the programmed values while the CMX878 is running in
Programmed Tone Detect mode they will not take effect until the CMX878 is next switched into
Programmed Tone Detect mode.
On a MODEM & TONES PROCESSOR BLOCK powerup or reset, the programmable tone pair detector
is set to act as a simple 2130Hz + 2750Hz detector.
© 2002 Consumer Microcircuits Limited
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D/878/2