RFX144V24-S23 and RFX96V24-S23 Modem Designer’s Guide
1070
9-31
START
LOAD IN FR1 COEFFICIANTS FOR
THE FSK(7E) DETECTION
INITIALIZE A TIMER T1 FOR
FLAGS DETECTION TIME-OUT
INITIALIZE A TIMER T2 FOR
DEBOUNCING FLAGS
T1 EXPIRED?
FR1 (O8:5)=1?
FR1 (O8:5)=1?
1070F9-27
END
No
Yes
T2 EXPIRED?
No
No
Yes
FSK MODE DETECTED
VOICE MODE
Figure 9-27. FSK Signal Detection Algorithm in Voice Mode
Summary of Contents for RFX144V24-S23
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