Intel 537EX User Manual

537EX ChipsetDeveloper’s ManualJanuary 2002Order Number: 273584-002

10 536EX Chipset Developer’s Manual Intel ConfidentialIntroduction1.3 Modem Connection OverviewThe DCE (modem) operates in one of two states: command

100 536EX Chipset Developer’s Manual Intel ConfidentialParallel Host Interface 16C450/16C550A UART9.2.8 Interrupt Enable Register (IER)This register

536EX Chipset Developer’s Manual 101Intel ConfidentialParallel Host Interface 16C450/16C550A UART9.2.10 Receiver Buffer Register (RBR)The RBR (Recei

102 536EX Chipset Developer’s Manual Intel ConfidentialParallel Host Interface 16C450/16C550A UART9.3 16C550A UART FIFO OperationThe modem 16C550A UA

536EX Chipset Developer’s Manual 103Intel ConfidentialParallel Host Interface 16C450/16C550A UART• LSR7 indicates when any errors occur in the RCVR

536EX Chipset Developer’s Manual 11Intel ConfidentialIntroductionThe modem recognizes AT commands from the DTE at any valid data rate from 300 bps t

12 536EX Chipset Developer’s Manual Intel ConfidentialIntroduction1.4.1 Sending CommandsAll command lines sent to the modem, except for A/, must be p

536EX Chipset Developer’s Manual 13Intel ConfidentialIntroduction1.4.2 AT Escape SequencesThe 536EX provides the industry-standard escape sequence,

14 536EX Chipset Developer’s Manual Intel ConfidentialAT Command Summary TablesAT Command Summary Tables 2This section contains summary tables of all

536EX Chipset Developer’s Manual 15Intel ConfidentialAT Command Summary TablesL3 High speaker volume * Mn Speaker control 1 0–3yes M0 Speaker always

16 536EX Chipset Developer’s Manual Intel ConfidentialAT Command Summary Tables* Xn Result code type 4 0–4yes X0Enables result codes 0–4; disables de

536EX Chipset Developer’s Manual 17Intel ConfidentialAT Command Summary Tables&K0 Disables flow control &K3 Bidirectional hardware flow cont

18 536EX Chipset Developer’s Manual Intel ConfidentialAT Command Summary Tables* -Cn Generate data mode calling tone 0 0–2no-C0 Calling tone disabled

536EX Chipset Developer’s Manual 19Intel ConfidentialAT Command Summary TablesNote: See the relevant sections in the 536EX Developer’s Manual for fu

2 536EX Chipset Developer’s Manual Intel ConfidentialInformation in this document is provided in connection with Intel® products. No license, express

20 536EX Chipset Developer’s Manual Intel ConfidentialAT Command Summary Tables\K2connect state, transmitsEnters command mode, no break sentcommand s

536EX Chipset Developer’s Manual 21Intel ConfidentialAT Command Summary Tables+DS44=m V.44 Data Compression3, 0, 0, 471, 942, 140, 140, 1884, 3768no

22 536EX Chipset Developer’s Manual Intel ConfidentialAT Command Summary TablesNote: See the complete command description in the 536EX Developer’s Ma

536EX Chipset Developer’s Manual 23Intel ConfidentialAT Command Summary Tables<DEL> 7F DTMF transition to offu 75 Bump up the volumed 64 Bump

24 536EX Chipset Developer’s Manual Intel ConfidentialAT Command Summary Tables f 66 Data answer detected (2225 Hz)R 52 Incoming ring % ‘ (,) 25, 26,

536EX Chipset Developer’s Manual 25Intel ConfidentialAT Command Summary TablesS16 Modem test options 0 –– no * S18 Modem test timer 0 0–255 second

26 536EX Chipset Developer’s Manual Intel ConfidentialData Mode AT COMMANDSData Mode AT COMMANDS 3The 536EX chipsets implement:• Standard Hayes*-comp

536EX Chipset Developer’s Manual 27Intel ConfidentialData Mode AT COMMANDSThe DCE can be configures to use different response codes depending on the

28 536EX Chipset Developer’s Manual Intel ConfidentialData Mode AT COMMANDS• ATW3 +MCR: V90+MRR: 28800+ER: LAPM+DR: V42B+ILRR: 115200CONNECT 50666• A

536EX Chipset Developer’s Manual 29Intel ConfidentialData Mode AT COMMANDS3.4 Modem Identification Commands [In, +FMI, +FMR, +FMM, +GMI, +GMM, +GMR,

536EX Chipset Developer’s Manual 3Intel ConfidentialContentsContents1 Introduction...

30 536EX Chipset Developer’s Manual Intel ConfidentialData Mode AT COMMANDSATDT 9,444-5555 Automatically dials the telephone number with DTMF tones.

536EX Chipset Developer’s Manual 31Intel ConfidentialData Mode AT COMMANDSIn Data mode, the 56K chipsets can transmit up to 48,000 bps (V.92 mode) o

32 536EX Chipset Developer’s Manual Intel ConfidentialData Mode AT COMMANDSFigure 4. Modem-on-Hold: Incoming Voice Call in Data ModeA9111-01HW Ring

536EX Chipset Developer’s Manual 33Intel ConfidentialData Mode AT COMMANDSThe following sequence describes how to configure the modem for MOH to pro

34 536EX Chipset Developer’s Manual Intel ConfidentialData Mode AT COMMANDShook to connect the call. Now you can answer the phone and talk. After com

536EX Chipset Developer’s Manual 35Intel ConfidentialData Mode AT COMMANDSIf the +MS=m parameters contain conflicting information like “+MS=V34,1,14

36 536EX Chipset Developer’s Manual Intel ConfidentialData Mode AT COMMANDS3.9 Diagnostic Testing [S18, &Tn]The &Tn command initiates loopbac

536EX Chipset Developer’s Manual 37Intel ConfidentialData Mode AT COMMANDSLocal Modem (or Test Modem)AT&F &W<CR> Returns the modem to

38 536EX Chipset Developer’s Manual Intel ConfidentialData Mode AT COMMANDSLocal Modem (or Test Modem)AT&F &W<CR> Returns the modem to

536EX Chipset Developer’s Manual 39Intel ConfidentialData Mode AT COMMANDSThe DTE implements the escape sequence by sending the escape character (as

4 536EX Chipset Developer’s Manual Intel ConfidentialContents9.2.1 Scratch Register (SCR) ...

40 536EX Chipset Developer’s Manual Intel ConfidentialData Mode AT COMMANDSDTE: +++ AT<CR>DCE: OKNote: TIES requires that the three-character e

536EX Chipset Developer’s Manual 41Intel ConfidentialData Mode AT COMMANDSD noneDial Command: This command causes the modem to immediately go off-ho

42 536EX Chipset Developer’s Manual Intel ConfidentialData Mode AT COMMANDSIn 0Identification/Checksum Option: This command causes the modem to send

536EX Chipset Developer’s Manual 43Intel ConfidentialData Mode AT COMMANDST noneSelect Tone Dialing: This command configures the modem to use DTMF t

44 536EX Chipset Developer’s Manual Intel ConfidentialData Mode AT COMMANDSYn 0Long Space Disconnect: This command determines whether the modem disco

536EX Chipset Developer’s Manual 45Intel ConfidentialData Mode AT COMMANDS&Pn 0Dial Pulse Ratio: This command determines the make/break (that is

46 536EX Chipset Developer’s Manual Intel ConfidentialData Mode AT COMMANDS&Wn 0Store Active Profile: This command causes the modem to store a su

536EX Chipset Developer’s Manual 47Intel ConfidentialData Mode AT COMMANDS+A8E=m see ‘m’V.8 and V.8 bis Operation Controls: This command configures

48 536EX Chipset Developer’s Manual Intel ConfidentialData Mode AT COMMANDS+EB 1, 0, 30Break Handling: Controls break handling in error control opera

536EX Chipset Developer’s Manual 49Intel ConfidentialData Mode AT COMMANDS0, 0, 1, , 0, 0, 0,Synchronous Access Mode Configuration: controls the man

536EX Chipset Developer’s Manual 5Intel ConfidentialContentsTables1 DTE-to-DCE Data Rates for Each Mode ...

50 536EX Chipset Developer’s Manual Intel ConfidentialData Mode AT COMMANDS+ESR 1Selective Repeat: Controls the use of selective repeat (SREJ) option

536EX Chipset Developer’s Manual 51Intel ConfidentialData Mode AT COMMANDS+GMR noneIdentify Product Revision: This command causes the DCE to report

52 536EX Chipset Developer’s Manual Intel ConfidentialData Mode AT COMMANDS+MA=m noneModulation Automode Control: This command specifies the alternat

536EX Chipset Developer’s Manual 53Intel ConfidentialData Mode AT COMMANDS+MS=m see ‘m’Modulation Selection: This command sets the preferred modulat

54 536EX Chipset Developer’s Manual Intel ConfidentialData Mode AT COMMANDS+PCW=m 0Call Waiting Enable: This command controls the action to be taken

536EX Chipset Developer’s Manual 55Intel ConfidentialData Mode AT COMMANDS+PMHT=m 0Modem on Hold Timer: This command controls whether or not the mod

56 536EX Chipset Developer’s Manual Intel ConfidentialError Correction and Data CompressionError Correction and Data Compression 4The 536EX chipsets

536EX Chipset Developer’s Manual 57Intel ConfidentialError Correction and Data CompressionThe list of commands needed to enter a specific error corr

58 536EX Chipset Developer’s Manual Intel ConfidentialError Correction and Data Compression\An 3MNP Block Size: This command specifies the maximum nu

536EX Chipset Developer’s Manual 59Intel ConfidentialError Correction and Data Compression\Kn 5Set break control: Defines what action the modem take

6 536EX Chipset Developer’s Manual Intel ConfidentialContentsRevision HistoryDate Revision DescriptionJanuary 2002 002Changed references to “HaM Data

60 536EX Chipset Developer’s Manual Intel ConfidentialError Correction and Data Compression+DR=m 0Data Compression Reporting: Controls whether the “+

536EX Chipset Developer’s Manual 61Intel ConfidentialError Correction and Data Compression+DS44=m3, 0, 0, 471, 942, 140, 140, 1884, 3768V.44 Data Co

62 536EX Chipset Developer’s Manual Intel ConfidentialError Correction and Data Compression+ER=m 0Error Control Reporting: Controls whether the “+ER:

536EX Chipset Developer’s Manual 63Intel ConfidentialError Correction and Data Compression+ES=m see ‘m’Error Control Selection: The +ES=m command co

64 536EX Chipset Developer’s Manual Intel ConfidentialFax Class 1 AT CommandsFax Class 1 AT Commands 5The 536EX chipsets implement the EIA-578 data/f

536EX Chipset Developer’s Manual 65Intel ConfidentialFax Class 1 AT CommandsThe fax AT+FCLASS command is used for changing between fax classes, dete

66 536EX Chipset Developer’s Manual Intel ConfidentialFax Class 1 AT CommandsWhen the modem transfers data to the DTE, the DTE must filter the data s

536EX Chipset Developer’s Manual 67Intel ConfidentialFax Class 1 AT CommandsThe ATDT <telephone number> command string causes the modem to ori

68 536EX Chipset Developer’s Manual Intel ConfidentialFax Class 1 AT Commands+FRH=m noneReceive HDLC Data:The +FRH=<mod> command causes the mod

536EX Chipset Developer’s Manual 69Intel ConfidentialFax Class 1 AT Commands+FTH=m noneTransmit HDLC Data: The +FTH=<mod> command causes the m

536EX Chipset Developer’s Manual 7Intel ConfidentialIntroduction 1This developer’s manual describes the software interface for Intel® 536EX (control

70 536EX Chipset Developer’s Manual Intel ConfidentialIS-101 Voice Mode AT CommandsIS-101 Voice Mode AT Commands 6The 536EX chipsets implement a voic

536EX Chipset Developer’s Manual 71Intel ConfidentialIS-101 Voice Mode AT Commands6.1 DTMF Detection ReportingDTMF detection information is reported

72 536EX Chipset Developer’s Manual Intel ConfidentialIS-101 Voice Mode AT Commands+FLO=m 1Flow Control Select: This command allows the DTE to identi

536EX Chipset Developer’s Manual 73Intel ConfidentialIS-101 Voice Mode AT Commands+VDR=m see ‘m’Distinctive Ring Selection: This command contains tw

74 536EX Chipset Developer’s Manual Intel ConfidentialIS-101 Voice Mode AT Commands+VEM=m see ‘m’Event Reporting and Masking: This command selects wh

536EX Chipset Developer’s Manual 75Intel ConfidentialIS-101 Voice Mode AT Commands+VEM=m(cont.)see ‘m’ Event Reporting and Masking: (cont.)Example 1

76 536EX Chipset Developer’s Manual Intel ConfidentialIS-101 Voice Mode AT Commands+VGT=m 128Volume Selection: This command sets the volume level for

536EX Chipset Developer’s Manual 77Intel ConfidentialIS-101 Voice Mode AT Commands+VLS=m 0Relay/Playback Control: This command controls the four µP

78 536EX Chipset Developer’s Manual Intel ConfidentialIS-101 Voice Mode AT Commands+VLS=m(cont.) 0Relay/Playback Control: (cont.)Voice I/O Primitive

536EX Chipset Developer’s Manual 79Intel ConfidentialIS-101 Voice Mode AT Commands+VRX noneRecord Mode: This command causes the modem to enter recor

8 536EX Chipset Developer’s Manual Intel ConfidentialIntroduction1.1.2 Windows 95 and Windows 98When the controllerless modem chipsets are used with

80 536EX Chipset Developer’s Manual Intel ConfidentialIS-101 Voice Mode AT Commands+VSM=mmanufac-turer-specifiedCompression Method Selection: This co

536EX Chipset Developer’s Manual 81Intel ConfidentialIS-101 Voice Mode AT Commands+VSM=m(cont.)manufac-turer-specifiedCompression Method Selection:

82 536EX Chipset Developer’s Manual Intel ConfidentialIS-101 Voice Mode AT Commands#VSPS=m 1Speakerphone Type Selection: This command determines whic

536EX Chipset Developer’s Manual 83Intel ConfidentialIS-101 Voice Mode AT Commands+VTS=m noneDTMF and Tone Generation: This command causes the modem

84 536EX Chipset Developer’s Manual Intel ConfidentialIS-101 Voice Mode AT Commands+VTS=m(cont.) noneDTMF and Tone Generation: (cont.)3. Single DTMF

536EX Chipset Developer’s Manual 85Intel ConfidentialS-RegistersS-Registers 7The 536EX chipsets provide direct access to the internal registers know

86 536EX Chipset Developer’s Manual Intel ConfidentialS-RegistersS5 8Backspace Character: S5 specifies the backspace character that is used to delete

536EX Chipset Developer’s Manual 87Intel ConfidentialS-RegistersS12 50Guard Time: S12 is used to specify guard and detect times used for the Hayes a

88 536EX Chipset Developer’s Manual Intel ConfidentialS-RegistersS21 48Bit-Mapped Options: S21 is a read-only register that indicates AT command sett

536EX Chipset Developer’s Manual 89Intel ConfidentialS-RegistersS33 10Sleep Mode Timer: S33 determines when the modem enters sleep or power-down mod

536EX Chipset Developer’s Manual 9Intel ConfidentialIntroductionWhen the controllerless chipsets are used with MS-DOS* applications, however, a UART

90 536EX Chipset Developer’s Manual Intel ConfidentialCaller IDCaller ID 8This section describes Caller ID for the United States. Caller ID is a serv

536EX Chipset Developer’s Manual 91Intel ConfidentialCaller IDExample 1: The following example of formatted form report (AT+VCID=1) illustrates the

92 536EX Chipset Developer’s Manual Intel ConfidentialParallel Host Interface 16C450/16C550A UARTParallel Host Interface 16C450/16C550A UART 99.1 UAR

536EX Chipset Developer’s Manual 93Intel ConfidentialParallel Host Interface 16C450/16C550A UARTmodem for each data interrupt, instead of only a sin

Figure 13. Parallel Host Interface UART Register Bit AssignmentsNOTE: These bits are always ‘0’ in 16C450 mode.REGISTERNAMEREGISTERADDRESS7 6543 210BI

536EX Chipset Developer’s Manual 95Intel ConfidentialParallel Host Interface 16C450/16C550A UART9.2 UART Register Definitions9.2.1 Scratch Register

9.2.3 Line Status Register (LSR)This read-only register provides UART status information to the host. Bits 4:1 report error conditions. These bits are

536EX Chipset Developer’s Manual 97Intel ConfidentialParallel Host Interface 16C450/16C550A UART9.2.4 Modem Control Register (MCR)This register cont

98 536EX Chipset Developer’s Manual Intel ConfidentialParallel Host Interface 16C450/16C550A UART9.2.6 FIFO Control Register (FCR)This write-only reg

536EX Chipset Developer’s Manual 99Intel ConfidentialParallel Host Interface 16C450/16C550A UART9.2.7 Interrupt Identity Register (IIR)bThis read-on