RFX144V24-S23 and RFX96V24-S23 Modem Designer’s Guide
8-10
1070
START
SET/RESET
RMM (07:5),
CODECS (07:6)
CONF (06:0-7)=
90/92/94/98h
SETUP (1F:0)=1
SETUP=0?
Yes
No
WRITE DTMF DETECT,
TONE DETECT, ETC.
PARAMETERS AS
NEEDED
SET/RESET,
TND8K (14:7)
HDLC (07:0)
READ
DBUFF(10:0-7)
TO RESET
B2A(1E:3)
ENABLE
DECODER,
DCDEN (1A:5)=1
DECODER
PAUSE OR END
PLAYBACK?
No
Yes
VOVUN (17:3)=1?
WRITE DECODER INPUT,
DBUFF (10:0-7)
B2A (1E:3)=1?
No
Yes
Yes
DTMF AND
TONE
DETECTION
No
DISABLE
DECODER,
DCDEN (1A:5)=0
END
No
ADDITIONAL HOST
BACKGROUND
PROCESSING
END
PLAYBACK?
No
Yes
CHANGE PLAYBACK
SPEED?
Yes
SET/RESET
NORM (14:0),
SLOW (14:1),
FAST33 (14:2),
FAST50 (14:3)
VOVUN (17:3)=1?
No
1070F8-6
Figure 8-6. Decoder Implementation
Summary of Contents for RFX144V24-S23
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