RC96V24DP
3.0 Software Interface
Single Device Data/Modem Data Pump
3.3 Interface Memory Bit Functions
D96V24DSA
3-3
Table 3-2. Interface Memory Bit Functions
Mnemonic
Memory
Location
Name/Description
ABORT
07:0
HDLC Abort. Controls sending of continuous mark in HDLC mode.
AGCFZ
04:1
AGC Freeze. inhibits updating of the receiver AGC.
ARC
03:3
Automatic Rate Change Enable. Enables automatic on-line rate change sequence.
ASYNC
08:7
Asynchronous/Synchronous. Selects asynchronous or synchronous data mode.
ATBELL
OB:3
Bell Answer Tone Detected. Reports detection status of 2225 Hz answer tone.
ATV25
OB:4
V25 Answer Tone Detected. Reports detection status of 2100 Hz answer tone.
BEL1O3
OB:0
Bell 103 Mark Frequency Detected. Reports detection status of 1270 Hz Bell 103 mark.
BRKD
OE:6
Break Detected. Reports receipt status of continuous space.
BRKS
06:7
Break Sequence. Controls sending of continuous space in parallel asynchronous mode.
CC
09:6
Controlled Carrier. Selects controlled or constant carrier mode.
CEQ
05:3
Compromise Equalizer Enable. Enables the transmit passband digital compromise
equalizer.
CONF
12:0-7
Modem Configuration Select. Selects the modem operating mode.
CRCS
OA:0
CRC Sending. Reports the sending status of the CRC (2 bytes) in HDLC mode.
CRFZ
04:0
CarrIer Recovery Freeze. Disables update of the receiver’s carrier recovery phase lock
loop.
CTS
OF:5
Clear to Send. Reports that the training sequence has been completed (see TPDM).
DATA
09:2
Data Mode. Selects idle or data mode.
DDIS
08:4
Descrambler Disable. Disables the receiver’s descrambler circuit.
DSR
OF:4
Data Set Ready. Reports the data transfer state.
DTDET
OB:1
DTMF Digit Detected. Reports that a valid DTFM digit has been detected.
DTDIG
00:0-3
Detected DTMF Digit. Contains the hexadecimal code of the detected DTMF digit.
DTMF
09:5
DTMF Dial Select. Selects either DTMF or pulse dialing in the dial mode.
EDET
00:7
Early DTMF Detect. Reports detection of the high group frequency of the DTMF tone
pair.
EQFZ
04:3
Equalizer Freeze. inhibits the update of the receiver’s adaptive equalizer taps.
EQRES
04:7
Equalizer Reset. Resets the receiver adaptive equalizer taps to zero.
EXOS
06:6
Extended Overspeed. Selects extended overspeed mode in asynchronous mode.
FE
OE:4
Framing Error. Reports framing error detection or detection of an ABORT sequence.
FED
OF:6
Fast Energy Detected. Reports energy above the turn-on threshold is being detected.
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