Intel 537EX manual Intel Confidential

Page 16

AT Command Summary Tables

Table 5. Data Mode Command Summary (Continued)

Note

Command

Function

Default

Range

Reported

by &Vn

 

 

 

 

 

 

 

 

 

 

 

*

Xn

Result code type

4

0–4

yes

 

 

 

 

 

 

 

X0

Enables result codes 0–4; disables detection

 

 

 

 

of busy and dial tone

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X1

Enables result codes 0–5, 10, and above;

 

 

 

 

disables busy and dial tone detection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Enables result codes 0–6 and 10 and above;

 

 

 

 

X2

disables busy detection and enables dial

 

 

 

 

 

tone detection

 

 

 

 

 

 

 

 

 

 

 

Enables result codes 0–5, 7, and 10 and

 

 

 

 

X3

above; enables busy detection and disables

 

 

 

 

 

dial tone detection

 

 

 

 

 

 

 

 

 

 

X4

Enables result codes 0–7 and 10 and above;

 

 

 

 

enables busy and dial tone detection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*

Yn

Long space disconnect

0

0, 1

yes

 

 

 

 

 

 

 

Y0

Disables long space disconnect

 

 

 

 

 

 

 

 

 

 

Y1

Enables long space disconnect

 

 

 

 

 

 

 

 

 

 

Zn

Recall stored profile

0

0, 1

no

 

 

 

 

 

 

 

Z0

Resets modem and recalls user profile 0

 

 

 

 

 

 

 

 

 

 

Z1

Resets modem and recalls user profile 1

 

 

 

 

 

 

 

 

 

*

&Cn

DCD (data carrier detect) option

1

0, 1

yes

 

 

 

 

 

 

 

&C0

Ignores remote modem status; DCD always

 

 

 

 

on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

&C1

DCD set according to remote modem status

 

 

 

 

 

 

 

 

 

 

&Dn

DTR (data terminal ready) option

2

0–3

yes

 

 

 

 

 

 

 

&D0

In Async mode, modem ignores DTR

 

 

 

 

 

 

 

 

 

 

 

Modem switches from data mode to

 

 

 

 

&D1

command mode when an on-to-off transition

 

 

 

 

 

of DTR occurs

 

 

 

 

 

 

 

 

 

 

 

When DTR switches off, the modem goes

 

 

 

 

&D2

on-hook and disables Auto-answer mode;

 

 

 

 

when DTR switches on, auto-answer is

 

 

 

 

 

 

 

 

 

 

enabled

 

 

 

 

 

 

 

 

 

 

&D3

Turning off DTR re-initializes the modem and

 

 

 

 

resets values except UART registers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

&F

Load factory defaults

none

–

no

 

 

 

 

 

 

*

&Gn

Guard tone option (1200 bps and 2400 bps

0

0–2

yes

only)

 

 

 

 

 

 

 

 

 

 

 

 

&G0

Disables guard tone

 

 

 

 

 

 

 

 

 

 

&G1

Enables 550 Hz guard tone

 

 

 

 

 

 

 

 

 

 

&G2

Enables 1800 Hz guard tone

 

 

 

 

 

 

 

 

 

 

&Kn

Select serial flow control

3

0, 3, 4

yes

 

 

 

 

 

 

* Value saved in NVRAM.

** Command not preceded by an ‘AT.’

16

536EX Chipset Developer’s Manual

Intel Confidential

Page 15 Page 17
Image 16
Page 15 Page 17
Contents 537EX Chipset Developer’s ManualIntel Confidential Contents Figures Tables Date Revision Description Revision History001 Initial release Introduction Controllerless Modem Driver OverviewWindows 95 and Windows V.90/V.92 and V.34 Data Modes TapiUnimodem Intelsdb.VXDModem Connection Overview AT Commands Overview DTE-to-DCE Data Rates for Each ModeDCE-to-DCE Data Rates for Each Mode DCE-to-ISP Data Rates for V.90 ModeSending Commands Delayed CallDTE-Modem Data Rate Response Codes Numeric TextCommand Function AT Escape SequencesDial Modifier Dialing digitsData Mode Command Summary Command Function Default Range Reported By &VnIntel Confidential Intel Confidential Intel Confidential +EB +ESA+ESR +ETBM44/V.42/V.42 bis MNP Command Summary Processes flow control characters and passes to local Fax Identity Command Summary Fax Class 1 Command SummaryVoice DTE→DCE Character Pairs IS-101 Voice Command SummaryResponse Hex Code Function Voice DTE →DCE Character Pairs Voice DTE←DCE Character PairsDEL ESCRegister Function Default Range Units Reported by &Vn Dial ModifiersRegister Summary AsciiRegister Function Default Range Units Modem Responses and Command Echo En, Vn, Xn, Wn, Qn Using AT Commands to Access the S-Registers Sn?, Sn=x, ?Modem Setup Host Modem Response Command Data Reporting Wn Mapping Disable EnableDTE Resets and then configures the modem to Nvram user profile Establishing a Modem Connection A, D, DS = n, S0 AT Commands Product InformationProduct Identification Information Hanging Up Hn, S10, Zn, &D2 Online Command Mode Escape Codes, OnModem-to-Modem Connection Data Rates Intel Confidential Modem-on-Hold Incoming Voice Call in Data Mode Modem-on-Hold Initiating a Voice Call in Data Mode Intel Confidential Supported Modulation Types Carrier DescriptionDiagnostic Testing S18, &Tn Local Analog Loopback AT&T1Local Analog Loopback With Self-Test AT&T8 Local Modem or Test ModemTime-Independent Escape Sequence AT Escape SequencesLicensing Requirements for Hayes Escape Sequence Example Command Default Description Data Mode Command DescriptionsHayes* Escape Sequence Previously stored in the Nvram with the AT&Zn=x command Host in either online or off-line command modeEcho disabled Echo enabledDTE ATI2Sn=x Command Modem dials a telephone number touch tone dialingNumeric or verbose form Numeric formDisconnecting Subsequent commands to be ignoredResets the modem and recalls user profile DCD or Rlsd signalAT&V0 Active ProfileStored Profile Telephone NumbersS-register configurations into the Nvram user profile ‘n’ Command to see the stored telephone numberSelect profile = 0-9 a B C D # * T P R W @Command Default Indication Definition+EB CRC generation and checking disabled Nrzi encoding and decoding disabledSecondary channel operation, and vice versa 12/V.34+ESR +ETBM+GMR +GSN+IFC +ILRR=m+MS command description +MA? will display a list of enabled alternative modulations= carrier,carrier,…carrier If +MS = ,0,, no alternative modulations will be availableCarrier Description BELL103BELL212 +MS=m See ‘m’+PHSW= +PMHFValue Description +PMHRConjunction with the +PSS command Enable Short Phase 1 and Short PhaseEnable Short Phase Disable short Phase 1 and Short PhaseMode Features Operating Modes44/V.42/V.42 bis and MNP Data Modem Command Descriptions +ES Settings Answer ModemResulting +ES Connection Types +ES=1, 0 +ES=4, 4 +ES=3, 0 +ES=3, 2\Bn \Kn +DR=m Direction+DS=m Max string3768 +EFCS=mDisplay messages when +ER = Decimal value and the format is as follows+ER=m +ER LapmSetting is ignored if origrqst=6 Control during non-error control operationNon-error control operation +ES=mFax Identity Commands Fax Class 1 CommandsFax Identity Command Descriptions +FMFR?/+FMIMod Selection Table Value Modulation Speed bps30 Hdlc Frame Format Class 1 DTE-Generated Hdlc Frame Information AT+FTH=mod+FCLASS? Fax Mode Command Descriptions+FCLASS +FRH=m +FRS=m+FTH=m IS-101 Voice Mode AT Commands Dtmf Detection Reporting Voice Mode Command DescriptionsRelay Control +FLO=m Enable report Function +VDR=m See ‘m’Defaults = ‘C’, BB860980, BFE63883, BB863EE0 Caller ID report Command Reserved Distinctive ringing AllEvent Description +VEM=m See ‘m’EX Value BIT Value Event EIGHT-DIGIT HEX Code B B 8 6 3 E EHEX Digit Location 128 Nominal transmit level Local telephone, or speaker+VIP Label Preassigned Voice I/O Labels+VLS=m Relay/Playback Control Voice I/O Primitive CodesPrimitive Code Description +VRX +VSD=m See ‘m’+VSM=? command to obtain supported sampling rates 141 AD3 3-bit Adaptive differential pulse code modulation+VSM=m Range 4800, 7200, 8000, and 11025 samples/secondCml SerialHard Disk CompressionFactory default is ‘0’ 100 Default value 1 second100 Range 5-255 units of 0.01 secondsDual tones may be sent using the following format +VTS=m NoneSpecified by +VTD=m This sends a 500 ms period of silenceCommand Default Description Register Command Descriptions S10 Escape sequences Range Seconds Default 0 secondsS16 S21 S22 118S25 S30Modem exits sleep mode whenever the host reads or writes to Modem or when a ring signal is detectedSleep mode is disabled by setting S33 to ‘0’ Inactive state whenCaller ID Tags for Formatted Reporting Tag DescriptionRing Uart Emulation in the Controllerless Modem Uart Emulation in Intelsdb.VxDTHR UartRBR Parallel Host Interface Uart Register Bit Assignments Scratch Register SCR Uart Register DefinitionsModem Status Register MSR Bit Framing error OE Overrun Error-Not supportedLine Status Register LSR StackIER Interrupt Enable register Procedure is as followsModem Control Register MCR Line Control Register LCRFifo Control Register FCR BitInterrupt Control Functions Interrupt Identity Register IIRID1 ID0 Interrupt Enable Register IER ID bit 2 for Fifo modeTransmitter Holding Register THR Dlab =Receiver Buffer Register RBR Divisor Latch Registers DLM and DLLProgrammable Data Rates Data Rate Divisor Number Divisor Latch HexFifo Interrupt Mode Operation Fifo Polled Mode Operation16C550A Uart Fifo Operation 102536EX Chipset Developer’s Manual 103

537EX specifications

The Intel 537EX is a powerful and innovative embedded processor designed for a range of applications, particularly in the fields of industrial automation, telecommunications, and transport management systems. This processor is a member of Intel's embedded product line, tailored specifically to meet the demands of systems that require high reliability and long lifecycle support.

One of the main features of the Intel 537EX is its multi-core architecture, which enables efficient parallel processing capabilities. This allows for the execution of multiple tasks simultaneously, significantly improving overall system performance. The processor also incorporates Intel’s advanced power management technology, which ensures that the device consumes energy efficiently, enhances thermal performance, and prolongs the lifespan of the system.

The Intel 537EX supports a range of connectivity options, including high-speed Ethernet and Serial ATA interfaces. This ensures that it can easily integrate into existing systems, seamlessly supporting applications that require robust data transfer capabilities. Additionally, the processor is equipped with multiple I/O ports, facilitating the connection of various peripherals and sensors, which is crucial in industrial applications.

One of the standout technologies within the Intel 537EX is its support for hardware virtualization. This feature allows for the creation of multiple virtual environments within a single physical structure, optimizing resource utilization and enhancing system flexibility. Additionally, Intel’s integrated security technologies provide a significant layer of protection against potential threats, ensuring that embedded systems remain secure.

Another characteristic of the Intel 537EX is its extensive software support, which includes compatibility with various operating systems and development environments. This versatility makes it an attractive choice for developers looking to build or upgrade their embedded systems. With access to Intel's comprehensive software tools, developers can quickly optimize applications to take full advantage of the processor's capabilities.

The Intel 537EX also boasts excellent thermal performance, allowing it to operate efficiently in harsh environments. This is crucial for embedded applications in industrial settings where temperature fluctuations are common. Overall, the Intel 537EX is engineered to deliver high-performance processing power, superior connectivity, and enhanced security, solidifying its position as a reliable choice for demanding embedded applications.
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