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Intel MD566X manual Ports asynchronous mode. This command is the same as &M0

Models: MD566X

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56K V.92 Data, Fax, and Voice Chipset

Table 3-4. Data Mode Command Descriptions (Continued)

Dial Pulse Ratio: This command determines the make/break (that is, off- hook/on-hook) ratio during pulse dialing.

&Pn	0	n = 0**	Make = 39%; Break = 61% at 10 pulses per second—for use in the
			United States.
		n = 1	Make = 33%; Break = 67% at 10 pulses per second—for use in the
			United Kingdom and Hong Kong.

		Select Communication Mode: This command controls whether the modem
		is operating in asynchronous or synchronous mode. This modem only sup-
&Q0	0	ports asynchronous mode. This command is the same as &M0.
&Q0	0
		n = 0**	Asynchronous normal. The modem operates asynchronously in
			both command and online modes.

		DSR (Data Set Ready) Option: This command controls how the modem
		treats the DSR signal.
&Sn	0	n = 0**	DSR circuit always on
		n = 0**	DSR circuit always on
		n = 1	DSR circuit is on during handshaking, off in test or idle modes. DSR
			is off when the carrier is lost.

		Data Mode Self-Test Command: This command is used in data mode (ex-
		cept V.90 and V.92 modes) to initiate and terminate loopback tests for testing
		modem-to-modem and DTE-to-modem data communication integrity.
&Tn	0	n = 0**	Terminates test in progress
		n = 0**	Terminates test in progress
		n = 1	Local analog loopback
		n = 8	Local analog loopback with self-test

		Disable Trellis Coding: This command selects whether the modem transmits or re-
		ceives modulated 9600 bps carrier with QAM or Trellis encoding for V.32.
&Un	0	n = 0**	Enabled (Trellis modulation with QAM modulation as a fallback)
		n = 0**
		n = 1	Disabled (QAM modulation only)

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Intel Confidential

Programmer’s Guide

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Intel MD566X manual Ports asynchronous mode. This command is the same as &M0

Contents

MD566X Revision History Symbol Units of measure ConventionsProgrammer’s Guide Acronym DefinitionDram Introduction Chipset Contents QtyIntel V.90/V.92 56K Chipsets V.92, V.90 and V.34 Data Modes Modem Connection OverviewDCE-to-DCE Data Rates for Each Mode DTE-to-DCE Data Rates for Each ModeMode Data Rate bps Affected Data Data Mode Command Summary AT Command Summary TablesCommand Function Default Range Reported by Intel Confidential Data rate Result code type Yes Ports only Async mode +GMI? Intel Confidential V.44 / V.42 / V.42 bis MNP∗ Command Summary Command Function Default Range Reported By &VnIntel Confidential Value saved in Nvram Fax Class 1 Command Summary Fax Identity Command SummaryIS-101 Voice Command Summary Voice DTE→DCE Character Pairs Response Hex Code FunctionVoice DTE←DCE Character Pairs Register Function Default Range Units Reported By &Vn Dial Modifiers Command FunctionS-Register Summary 10. V.90/V.92 Mode DCE-to-ISP Response Codes Verbose Code Numeric Code11. V.34 Mode DCE-to-DCE Response Codes 12. DTE-to-DCE Data Rate Response Codes13. Manufacturing-Only Command Summary a Command Function Default RangeBasic Data Mode AT Commands Using AT Commands to Access the S-Registers Sn?, Sn=x, ?Modem Responses and Command Echo En, Vn, Xn, Wn, Qn Modem Setup Host Command Modem ResponseExample of a Remote Connection Product Identification Information InformationEstablishing a Modem Connection A, D, DS = n, S0 Hanging Up Hn, S10, Zn, &D2 Online Command Mode Escape Codes, OnModem-to-Modem Connection Data Rates Intel Confidential Intel Confidential ATH +PMHF +PMHR Supported Modulation Types Carrier Description+MS = carrier , automode, min rate, max rate S37Originating Answering Resulting Connection Speed Modem Figured to attempt only a 28,800 bps connecDiagnostic Testing S18, &Tn Local Analog Loopback AT&T1AT&T0 Local Analog Loopback With Self-Test AT&T8 Local Analog Loopback with Self-TestLicensing Requirements for Hayes Escape Sequence AT Escape SequencesTime-Independent Escape Sequence Hayes∗ Escape Sequence Command Default Description Data Mode Command DescriptionsNone Stant carrier mode Dialing Digits Online data mode echo Reports product code Cont ATI5Mode from online command mode Sn=x Sn?Protocol Lapm Sequent commands to be ignored For data mode Ports asynchronous mode. This command is the same as &M0 User profile n Modem power-up Zn=x None+GMR? +MS=m See m V34BSModulation Selection Cont+MS=m Examples DTE data rate = 115,200 bpsExamples DTE data rate = 2400 bps +PCW=m +PMH=m+PMHR none DCE+PSS=m MandIntel Confidential Error Correction and Data Compression Mode FeaturesResulting \Nn Connection Types Bis with fallback to MNP5 \N3 \An \Bn None\Gn \Cn\Jn \Kn \Nn\Tn \Qn\Xn Intel Confidential +DS44=m 972,140 0,471140,1884 3768 FAX Class 1 AT Commands Fax Identity CommandsFax Identity Command Descriptions TocolsFax Class 1 Commands +FREV?/+FMR? noneMod Selection Table Value Modulation Speed BpsClass 1 DTE-Generated Hdlc Frame Information AT+FTH=mod Fax Mode Command Descriptions +FCLASS=1Command Default Description Receive Hdlc Data +FRH=n+FRM=n None +FRS=n NoneDTE after receiving the +FTH=mod command Data using the modulation selected in mod IS-101 Voice Mode AT Commands Each command may be used as followsDtmf Detection Relay ControlVoice Mode Command Descriptions +FLO=n+VBT=m +VCID=n+VDR=m Enable Report Function+VEM=m See m +VEM=m DialtoneExample 2. Setting the Event Mask Example 3. Reading the Event Mask SettingsEvent Reporting and Masking Example 1. Viewing Supported Events+VGM=n 128 +VGR=n 128+VGS=n +VGT=n+VIP none Code +VLS=nPrimitive Code +VLS=n Relay/Playback Control+VNH=n Intel Confidential +VRX none = sds, sdi Defaults m = 128 +VSD=m See ‘m’Manufac +VSM=m turer- specified Vsr Comments Samples/secondCompression Method Selection +VSM=m ManufacVsr Hard Disk+VSP=n +VTD=n 100+VTS=m none Dtmf and Tone Generation AT+VTS=DTMF orAT+VTS= , ,duration For example AT+VTS= , ,50 Intel Confidential S-Register Command Descriptions RegistersAscii decimal S11 S10S12 S14 138 S16S21 S22 118S23 None S27S31 S33 Maximum Line Speed Attempted 110 Caller ID Caller ID Tags for Formatted ReportingRing Manufacturing-Only Command Descriptions MANUFACTURING-ONLY CommandsNCnn S91 S92$TTnn Tone Test Command Analog Loopback ALB Test FAX TestCommand Bit Pins #VGP0=n#VGP1=n See Note #VGP2=n118 Programmer’s Guide Parallel Host Interface 16C450/16C550A Uart119 Parallel Host Interface Uart Register Bit Assignments Register BIT Number Address NameUart Register Definitions Scratch Register SCRModem Status Register MSR Line Status Register LSRAre no subsequent Fifo errors Modem Control Register MCRLine Control Register LCR 123Fifo Control Register FCR Trigger Level BytesInterrupt Control Functions Interrupt Identity Register IIR125 Transmitter Holding Register THR Interrupt Enable Register IER10.1.10Receiver Buffer Register RBR Fifo Interrupt Mode Operation 10.2 16C550A Uart Fifo Operation10.1.11Divisor Latch Registers DLM and DLL Programmable Data RatesFifo Polled Mode Operation 129 130