Manuals / Silicon Laboratories / Computer Equipment / Modem

Silicon Laboratories SI2494/39, SI2493/57/34/15/04 Stas, No Polarity Reversal, Protocol None

Models: SI2493/57/34/15/04 SI2494/39

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AN93

Table 43. Result Codes (Continued)

Numeric1	Meaning	Verbal Response	X0	X1	X2	X3	X4	X5
32	UK CID State Tone Alert	STAS	X	X	X	X	X	X
	Signal detected

33	Overcurrent condition	X5	X	X	X	X	X	X
40	Blacklist is full	BLACKLIST FULL (enabled	X	X	X	X	X	X
40		via S42 register)
		via S42 register)

41	Attempted number is black-	BLACKLISTED (enabled via	X	X	X	X	X	X
41	listed.	S42 register)
	listed.	S42 register)

42	No phone line present	NO LINE (enabled via %Vn	X	X	X	X	X	X
42		commands)
		commands)

43	Telephone line is in use	LINE IN USE (enabled via	X	X	X	X	X	X
43		%Vn commands)
		%Vn commands)

44	Polarity reversal detected	POLARITY REVERSAL	X	X	X	X	X	X
44		(enabled via G modifier)
		(enabled via G modifier)

45	Polarity reversal NOT	NO POLARITY REVERSAL	X	X	X	X	X	X
45	detected	(enabled via G modifier)
	detected	(enabled via G modifier)

52	Link established at 56000	CONNECT 560006		X	X	X	X	X
60	Link established at 32000	CONNECT 320006		X	X	X	X	X
61	Link established at 48000	CONNECT 480006		X	X	X	X	X
63	Link established at 28000	CONNECT 280006		X	X	X	X	X
64	Link established at 29333	CONNECT 293336		X	X	X	X	X
65	Link established at 30666	CONNECT 306666		X	X	X	X	X
66	Link established at 33333	CONNECT 333336		X	X	X	X	X
67	Link established at 34666	CONNECT 346666		X	X	X	X	X
68	Link established at 36000	CONNECT 360006		X	X	X	X	X
69	Link established at 37333	CONNECT 373336		X	X	X	X	X
70	No protocol	PROTOCOL: NONE		Set with \V0 command.

75	Link established at 75	CONNECT 75		X	X	X	X	X

77	V.42 protocol	PROTOCOL: V427		Set with \V0 command.
79	V.42bis protocol	PROTOCOL: V42bis3		Set with \V0 command.

Notes:

1. Numeric mode: Result code <CR>.

2. Response for ATDn@mmm is silence is not found.

3. This message is supported only on the Si2493, Si2457, Si2434, and Si2415.

4. This message is supported only on the Si2493, Si2457, and Si2434.

5. X is not preceded by <CR><LF>.

6. This message is supported only on the Si2493 and Si2457.

7. V.44 with data compression disabled (+DS = 0) emits this result code.

8. If data compression is disabled (+DS = Q), the modem returns the message PROTOCOL:V42.

Rev. 1.3

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Silicon Laboratories SI2494/39, SI2493/57/34/15/04 manual Stas, No Polarity Reversal, Protocol None

Contents

Introduction Functional Block DiagramAN93 Table of Contents AN93 AN93 AN93 AN93 Document Change List Contact Information Modulations Selection GuideProtocols Protocol Function Si2494/93 Si2457 Si2439/34 Si2415 Si2404ISOmodem Capabilities Carriers and TonesRelease Part Numbers PackageReset Sequence Resetting the DeviceModem System-Side Device Reset Strapping General Considerations Reset-Strap Options for 16-Pin Soic Package SOIC-16 Reset-Strap OptionsMode Reset-Strap Pins Interface Input Clock Pin 5, RXD/MISO Reset-Strap Options for 24-Pin Tssop PackageTSSOP-24 Parallel-Interface Options TSSOP-24 UART-Interface OptionsTSSOP-24 SPI-Interface Clock-Frequency Options Reset Strapping Options for QFN Parts with Uart OperationInput Clk Reset Strapping Options for QFN parts with SPI OperationPin Functions vs. Interface Mode TSSOP-24 Pin Functions vs. Interface Mode SOIC-16System Interface Pin Functions vs. Interface Mode QFN-38 SPI-Interface Signals UART-Interface SignalsParallel-Interface Signals DTE Rates Ideal DTE Rate bps Actual DTE Rate bps Approximate Error%Symbol Data bits Parity Stop bits Serial Formats Detected in Autobaud ModeFlow Control U70 Bit Function Can MonitorPPD OCDParallel and SPI Interface Operation Uart Serial InterfaceTX Fifo Hardware Interface Register Hardware Interface Register Bit MapSignal Function Direction Parallel Interface SignalsParallel Interface Operation Parallel Interface Read Timing SPI Control-and-Address Bit Definitions Bit Function Meaning when High Meaning when LowSPI Interface Operation Interface Communication ModesPower-Down Mode Low-Power ModesWake-on-Ring Mode Sleep ModeSignal Pin Number TSSOP-24 QFN-38 SSI/Voice Mode 24-Pin Tssop and 38-Pin QFN OnlyClkout Fsync SDI SDO Reset SSI Interface Pin ConnectionEeprom Interface 24-Pin Tssop and 38-Pin QFN Only Eeprom CommandsEeprom Status Register Any Other Bits are Unused Eeprom TimingEOZ Parameter Symbol Min Typ Max UnitEcsh Eecs Boot Commands Custom Defaults Three-Wire SPI Interface to EepromDetailed Eeprom Examples EepromFirmware Upgrades AT Command Macros Customized AT CommandsBoot Command Example Autoloading Firmware Upgrade Example AT Command Macro ExampleCombination Example Command FunctionCombination Example Dec Hex Display Ascii ChartDAA Line-Side Device Hookswitch and DC TerminationAC Termination AC Termination Settings for the Si3018 Line-Side DeviceRinger Impedance and Threshold Pulse Dialing and Spark QuenchingTypical Loop Voltage LVS Transfer Function Loop Current Transfer Function Ilim =LVCS40 Condition Billing Tone Detection Legacy-Mode Line Voltage and Loop Current MeasurementHookswitch and DC Termination Power Supply and Bias CircuitryHardware Design Reference Component FunctionsOptional Billing-Tone Filter Ringer NetworkTIP From Line Ring DAA Symbol ValueEMI/EMC Si3018/10 Schematic SchematicComponent Value Suppliers Bill of MaterialsLayout Guidelines Reference Placement ISOmodem Layout Check List Layout ChecklistLayout Items Required AN93 Module Design Module Design and Application ConsiderationsMotherboard Design Analog Output Modem Module VCC and Reset FilterAudio Quality Audio Filter ResponseController Modem Reference GuideConfiguration Status AT Command SetCommand Action DSPMultiple AT Commands on a Single Line Command ExamplesCommand Result Comment Command ResultConsecutive U-Register Writes on a Single Line Basic AT Command SetNo Patch AT Command Chip Revision EnableModifier ATI0 ATI1Revision B Patch rbpXYYYY AT Command Chip RevisionRevision C Patch rcpXYYYY ATI0Speaker is always off Enable result codes See TableCommand Action Verbal result codes Program RAM write this command is used to upload firmware +DR=X Disabled+DRNONE +DRV42B RDConnection = Disable synchronous access mode Specifies the mode of operation when initiating a modemSpecifies the mode of operation when answer a modem C,D= Nrzi encoding and decoding disabled = CRC generation checking disableSpecifies action taken if an underrun condition occurs During transparent sub-modeClass 1 Transmit Carrier Country United States defaultFixed DTE Rate +GCI?Automatically detect the baud rate BPSV32B ITU-T V.32bis default for Si2415 V22B ITU-T V.22bis default for Si2404ITU-T V.34 default for Si2434 ITU-T V.90 default for Si2457+PMHR=X Enable Short Phase 1 and Short Phase+PMHT=X +PQC=X= After ring only DCEs decide to use short startup procedures= Off Distinctive RingLoad Voice Factory Defaults Command Action Transmit Gain SelectionDTE/DCE Inactivity Timer ISOmodem on-hook. Aout disabled. Tone detecRinging Tone Never Appeared Timer Ringing Tone Goes Away TimerOK result code. Default time is 0 seconds Is five secondsDtmf / Tone Duration Timer Speakerphone AEC, AES and LEC disabledVoice Compression Method Signed PCMExtended AT& Command Set Extended AT CommandsKbps max default for Si2415 Kbps max default for Si2457 transmit and Si2434Only 56 kbps to 28 kbps TIP + Enable V.42bis in transmit and receive paths Extended AT% Command SetISOmodem answers a call in answer mode Disable automatic line-in-use detectionMode is not allowed with a parallel or SPI interface Extended AT\ Command Set\Q2 Use CTS only \P0 Even\T16 Autobaud On4 \T9 Kbps4\V0 Report connect and protocol message Numeric1 Meaning Verbal Response Result CodesPolarity Reversal StasNo Polarity Reversal Protocol NoneUN-OBTAINABLE Number ALTERNATE, +CLASSDisconnect Code Reason Disconnect CodesRegisters Definition Register Function Default Range Units DecimalRegister Descriptions AsciiAll spaces 0s Symbol Rate Allowable Data Rates 2400 Symbols/secondRegister Address Name Description Default Hex DT4A0 U0FDT4B1 DT4B2Bmtt U2EU2F BdltPrdd U4EU4F FHTSamco V9AGGSasf SC0Register Summary Bit-Mapped U-Register SummaryU0-U16 Dial Tone Registers Register Name Description Default2. U00-U16 Dial Tone Detect Filter Registers 3. U17-U30 Busy Tone Detect Filter Registers U17-U30 Busy Tone Detect RegistersBPF Biquad Stage Output Scalar 310/510 Default Busy and Dial Tone300/480 320/630400/440 BPF Biquad ValuesDial Tone Timing Register Ringback Cadence Registers4. U31-U33 Ringback Cadence Registers 5. U34-U35 Dial Tone Timing RegisterDtmf Dial Registers Pulse Dial Registers7. U46-U48 Dtmf Dial Registers 8. U49-U4C Ring Detect Registers Ring Detect Registers9. U4D Modem Control Register 1-MOD1 Register U4D Bit Map Flash Hook Time Register Pre-Dial Delay Timer RegisterLoop Current Debounce Registers Transmit Level RegisterU54 Bit Map U53 Bit MapU62 Bit Map U65 Bit Map U63 Bit Map17. U67-U6A International Configuration Registers Line-Side Chip Power DownPDL = Normal operationU67 Bit Map U66 Bit MapU68 Bit Map U6C Bit Map U6A Bit Map18. U6C Line-Voltage Status Register 19. U6E-U7D Modem Control and Interface RegistersU6F Bit Map U6E Bit MapPtmr U70 Bit Map Disables PCM mode Enables PCM mode Type Reset settings = BitU71 IO1 Bit D15 D14 D13 D12 D11 D10 Name Function 155 Reserved Read returns zeroU77 Bit Map U76 Bit MapU78 Bit Map Monitor Mode ValuesU79 Bit Map = Normal Atdtw operation U7A Bit MapAdaptive Dialing = Normal asynchronous mode Synchronous ModePin indicates valid ring signal Given time= Timed calibration disabled = Disables No Loop Current Detect= ATZ enabled 20. U80 Transmit Delay for V.22 Fast Connect= Ignore unrecognized in-band commands Special Error Reporting ModeMinimal Transparency Framed Sub-Mode StartupFirmware Upgrades Escape Methods Patch, 115 kbaud Uart Lines Reset, thenLoad Technique and Speed Table MethodTh Bit Escape 1. +++ EscapeEscape Pin Escape Wire Mode Error CorrectionEnabling Error Correction/Data Compression To Enable Use AT Commands15. V.80 Mode Legacy Synchronous DCE Mode/V.80 Synchronous Access ModeSynchronous Mode Overview Epos Electronic Point of Sale ApplicationsAT\N0 Synchronous Access Mode SettingsIndicator pair Code Transparent Submode Command Hex Supported Transmit Direction Receive DirectionCRC EM In-Band Commands and Statuses Command Fast Connect SettingsSupported Transmit Direction Receive Direction Code Transparent SubmodeATDT12345 Connect 1200 Protocol None 0x190x190x110x11 Function/Feature AT Commands Registers Modem Feature vs. Hardware, AT Command and Register SettingProgramming Examples Quick ReferenceDC Termination Control Bits Country-Dependent SetupDC Termination Reg Bit Val FunctionCountry Initialization Table Country ConfigurationCountry Initialization Table Country InitializationAT+GCI=F AT+GCI=AAT+GCI=16 AT+GCI=9CAT+GCI=27 AT+GCI=26AT+GCI=31 AT+GCI=6CAT+GCI=3D AT+GCI=3CAT+GCI=42 AT+GCI=53 AT+GCI=46AT+GCI=57 AT+GCI=58AT+GCI=0 AT+GCI=59AT+GCI=61 AT+GCI=9FAT+GCI=7B AT+GCI=69AT+GCI=82 AT+GCI=7EAT+GCI=89 AT+GCI=87AT+GCI=A0 AT+GCI=B8AT+GCI=A6 AT+GCI=A5AT+GCI=FE UAEAT+GCI=B4 International Call Progress Registers Line Interface/Control Registers Dial RegistersSpecial Requirements for Serbia and Montenegro AT Command FunctionBlacklisting S42 BlacklistingCaller ID Modes Caller IDSMS Support SMS CommandsJapan Caller ID Protocol150 Mdmf Parameters Type II Caller ID/SAS DetectionCharacter Description Hexadecimal Value Ascii Value JohndoeSAS Cadence for Supported Countries SAS Tone FrequencyAruba Country Tone Frequency Hz Cadence seconds RegistersAustralia AustriaCroatia Country Tone Frequency Hz Cadence seconds Registers ChinaCyprus Czech RepublicGuyana GreeceHonduras Hong KongJapan Israel064 0.436 JordanKorea Republic KiribatiLao P.D.R LithuaniaOman NigeriaPapua New Guinea ParaguaySt.-Kitts-and-Nevis Country Tone Frequency Hz Cadence seconds Registers RussiaSt. Lucia Saudi ArabiaTajikistan SwedenTrinidad TobagoOn-Hook Condition Intrusion/Parallel Phone DetectionLine Not Present/In Use Indication Method 1-Fixed Loop Voltage ActionOff-Hook Condition Line Not Present/In Use Indication Method 2-AdaptiveRegister Bits Name Function Intrusion DetectionATH1 Modem-On-Hold Possible Responses to Pmhr Command from Remote ModemInitiating Modem-On-Hold Value DescriptionReceiving Modem-On-Hold Requests Hdlc Bit Errors on a Noisy LineDCE Bit ErrorsBeginning of Packet Data Meaning Bit Errors0D 0A 4E 4F 20 43 52 49 45 52 0D 0A Pulse/Tone Dial Decision Overcurrent DetectionOvercurrent Detection Register Bit Value FunctionAutomatic Phone Line Configuration Possible +PMHT Settings Telephone Voting Mode12. V.92 Quick Connect AT+PSS Parameters AT+PQC ParametersHandset, TAM, and Speakerphone Operation Extended AT+ Command SetSoftware Reference Caller ID Enable Command Action Caller ID TypeAfter ring only Distinctive Ring Cadence ReportingCommand Action Analog Source / Destination Selection Speakerphone AEC, AES and LEC disabled. Handset FIR filter Command Action Ringing Tone Never Appeared Timer+VTS command. Default time is 1 second dur = Compression Selection MethodTransmit Voice Stream Command Action Dtmf and Tone GenerationDLE Commands DTE-to-DCE DLE Commands DTE-to-DCECode Hex Simple Action Command Description Format DLECodeDLE Events DCE-to-DTE Simple Event Reporting DLE Simple Events DCE-to-DTECode Hex Description SUB180 Description Default Voice Mode U Registers AddressComplex Event Reporting Format DLEXResponseDLE DescriptionRegister Address Name Description Default Voice Mode U RegistersHRXFIR2 HRXFIR1HRXFIR3 HRXFIR4STXFIR2 STXFIR1STXFIR3 STXFIR4SRXFIR2 SRXFIR1SRXFIR3 SRXFIR4U199 Bit Definitions U19EVoice Reference-Overview TAM, Handset, and Speakerphone Voice Paths Rev 189 +VTX +VRX +VSP +VTS Voice Mode Operations +FCLASS=8Event +VNH = ATH or Input Current Modem Settings Command orDTR off &D2 ATZ orSi3000 Configuration TAM Pstn System Voice ModesInitialization Sequence InitializationRev 195 Handset Handset ConfigurationOverview AT+VLS=13 AT+VLS=0AT+VSP=0 Handset Manual Off-Hook Dial Handset Automatic Tone DialHandset Automatic Pulse Dial Terminate Handset to TAM Hands-Free TransitionAT+VLS=14 Speakerphone Transition Handset to Speakerphone TransitionAT+VSP=1 Local Ring Notification with Type I CID Event Telephone Answering MachineNAME=JONES Jennifer Record OGM TAM Hands-Free Record OGMATU199&FFFD AT+VRX ConnectReview OGM TAM Hands-Free Review OGMRecord Local ICM Review ICMTAM Handset Record OGM Trigger receive operation. The first byte TAM Handset Review OGM AT+VSM=4 Normal Answer OGM Playback with ICM Record TAM Pstn Normal Answer OGM Playback with ICM RecordICM AT+VLS=15Interrupted Answer OGM Playback with Dtmf Menu Entry DLE1 Dtmf 1 digit detected Simplex Speakerphone SpeakerphoneTransmit Gain Calibration-Speakerphone Disabled Register Name Description Default ValueSimplex Speakerphone U Registers External Microphone/Speaker CalibrationTransmit Gain Configuration AT+FCLASS=8 Transmit/Receive Gain Calibration Dial Remote TelephoneReceive Gain Reference Measurements Receive Gain ConfigurationReg Name Bit U19E Speakerphone Calibration-AEC Gain CalibrationAEC Gain Calibration Dial Remote Telephone Speakerphone Configuration Speakerphone ConfigurationSimplex Speakerphone Configuration Speakerphone Automatic Tone Dial Simplex Speakerphone ConfigurationSpeakerphone Manual Off-Hook Dial Call-Automatic Tone DialSpeakerphone to Handset Transition Speakerphone Automatic Pulse DialCall-Automatic Pulse Dial References GlossaryTermination Implementing the SIA Protocol Security ProtocolsAT+F0 Considerations when Disconnecting the SessionAT+F2 AT+F1AT+F3 AT+F4Result Code Meaning Remarks Implementing the Ademco Contact ID Protocol Dtmf Digit Low Tone Hz High Tone Hz Contact ID AT Command Ademco Contact ID Protocol Tone Transmission AT CommandsModem Specific Implementation Details KissoffStep DTE-to-Modem Command Modem-to-DTE Remarks Indication Ademco Mode of OperationHandshake Tone Detection Event Modem-to-DTE indication RemarksWait for Receiver to answer with handshake tones Delay 250 ms before transmitting Data TonesMessage ATH Wait for Kissoff toneRev 233 SMS Message Format Chinese ePOS SMSAT Commands for SMS SMS AT Command SetAT Command ISOmodem Response Description +FCLASS=256= Auto Mode Register Bits Name Description Default HexUser Registers for SMS Operations SMS User RegistersExample ProcedureCrlfconnect Crlf Dleetxcrlfno Carriercrlf ResponseConnect 1CRLF Connect 2CRLFDleetxcrlfokcrlf Example SessionPOS SMS Process in Host and Modem Prototype Bring-Up Si3018/10 Testing and Diagnostics Command Timing  Inappropriate Commands Register Configurations Host Interface Troubleshooting10.1.6. Si3018/10 Troubleshooting Isolation Capacitor TroubleshootingComponent Troubleshooting  Connect Evaluation Board to Prototype SystemEVB Test the Host InterfaceTest the Prototype Si3018/10 Circuitry Si3018/10 Resistance Si3018/10 Typical Voltages Resistance to Si3018/10 PinVoltages across Components with Diode Checker Resistance across ComponentsFB1 FB2 RV1 Component VoltageLoop Test Circuit Self TestBell 103-V.34 Modem Functional Test Connection Board TestIsdn Modem Teltone ILSModem Under Test Test CoverageAT Commands for Compliance Testing Compliance TestingAT Command/Test Method Desired Response S41 Symbol Rate Allowable Data Rates Symbol/Data Rate29 Data Rate Transmit Modulation Data RateSurges SafetyPublished Coilcraft TRF-RJ11 Filter Performance AM-Band InterferenceDebugging the DTE Interface Debugging the DTE interfaceModulation Appendix A-EPOS ApplicationsRecommendation 0xFF 0x19 0xA0 0x19 0xB1 ISOmodem V.80 Protocol Hdlc Framing in Framed Sub-Mode ISOmodem in Epos Applications29 FastPOS Sample Program Setup procedureAT&D2 AT+FCLASS=1Example Program in C/C++ How to use the programRev 263 264 Rev 265 True Rev 267 = Rtscontrolenable Rev 269 270 FastPOS Detailed Wave Files RTS not RTS signalFastPOS DTE Trace Times When Audio Recording May Not Help When to Use Audio RecordingHardware Setup Larger of the two jacks 3.5 mm carries audio to the PC Setting PC Microphone Input for Recording Windows NTSounds and Multimedia Properties Setting PC Microphone Input for Recording WindowsMultimedia Properties Setting PC Microphone Input for Recording Windows XPSounds and Audio Devices Properties Sound Recorder Making the Recording with Adobe Audition or WaveSurferAdobe Audition Temporal View of a Good V.22 Transaction Audio Playback and AnalysisAdobe Audition Spectral View of a Good V.22 Transaction Band Spectral Display Recording Made at Excessive Level Audio-Recording PitfallsAppearance of Bell 212 Protocol Details of Some Low-Speed ProtocolsAppearance of V.22 bis Protocol Appearance of V.29 FastPOS Protocol Examples of Epos Server Misbehavior Example of Epos Server Misbehavior Dtmf Distorted by Low Line Level Examples of Line ImpairmentsPower Line Related Noise Appendix C-PARALLEL/SPI Interface Software Implementation MCU Interrupt Service and Polling Layer Hardware Access LayerSoftware Description  MCUhardware.c  modemhardware.cPolling HIR1 Method Interrupt Service Routine ISR MethodRXF Interrupt Receive Fifo Almost Full TXE Interrupt Transmit Fifo Almost Empty Timer Interrupt Receive Fifo Not EmptyU70 Interrupt Parallel- or SPI-Port Interrupt-Service Flowchart Buffer Management Buffer Management, Status and Control LayerCircular-Buffer Flowchart Status and Control Application Layer Sample ApplicationModem Operation Compiler Option Dot CommandsMaking a Connection Data BurstsSfrpagesave = Sfrpage Modem Interrupt Service Sample CodeRev 301 302 Revision 0.6 to Revision Revision 0.5 to RevisionRevision 0.7 to Revision Revision 0.8 to RevisionContact Information