January
536EX Chipset
Developer’s Manual
 Intel Confidential
536EX Chipset Developer’s Manual
 Contents
Contents
 Figures
 Tables
 Revision
Revision History
Date
Description
 Introduction
1.1Controllerless Modem Driver Overview
 User applications
Figure 1. WDM Driver Block Diagram
1.1.2Windows 95 and Windows
Kernel - ring0
 Figure 2. VxD Mini Port Driver Block Diagram
1.2V.90/V.92 and V.34 Data Modes
 1.3Modem Connection Overview
 Table 3. DCE-to-ISPData Rates for V.90 Mode
Table 1. DTE-to-DCEData Rates for Each Mode
Table 2. DCE-to-DCEData Rates for Each Mode
 1.4.1Sending Commands
Table 4. DTE-ModemData Rate Response Codes
 1.4.2AT Escape Sequences
1.4.3Dial Modifier
 Table 5. Data Mode Command Summary
AT Command Summary Tables
AT Command Summary Tables
 Table 5. Data Mode Command Summary Continued
 Result code type
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 Generate data mode calling tone
 Table 6. V.44/V.42/V.42 bis MNP Command Summary
 connect state, transmits
 Table 7. Fax Identity Command Summary
Table 8. Fax Class 1 Command Summary
 Table 9. IS-101Voice Command Summary
Table 10. Voice DTE→DCE Character Pairs
 Table 10. Voice DTE→DCE Character Pairs Continued
Table 11. Voice DTE←DCE Character Pairs
 Table 13. S-RegisterSummary
Table 11. Voice DTE←DCE Character Pairs Continued
Table 12. Dial Modifiers
 Table 13. S-RegisterSummary Continued
 Data Mode AT COMMANDS
Data Mode AT COMMANDS
 ATW0
Table 14. Data Reporting Wn Mapping
Figure 3. Example of a Remote Connection
•ATW2
 Examples
 +FMFR?, +FMDL?, +FREV?
 3.8Modem-to-ModemConnection Data Rates
3.6Online Command Mode Escape Codes, On
3.7Hanging Up Hn, S10, Zn, &D2
 536EX Chipset Developer’s Manual
 +VCID=1
+PMH=0
+PCW=0
+++AT
 536EX Chipset Developer’s Manual
 hook to connect the call. Now you can answer the phone and talk. After completing your voice conversation, the modem will issue another +PMHF and ATO command to initiate a Quick Connect. If the server rejects the request to go on hold, the user can stay on line ATO command issued or disconnect from his initial data connection ATH command issued
 Table 16. Supported Modulation Types
 3.9Diagnostic Testing S18, &Tn
3.9.1Local Analog Loopback AT&T1
 Figure 6. Local Analog Loopback Test
3.9.2Local Analog Loopback With Self-TestAT&T8
LOCAL MODEM
Local Modem or Test Modem
 3.10.1Time-IndependentEscape Sequence
Licensing Requirements for Hayes Escape Sequence
 char1 = char2 = char3 = escape character S2
<char1><char2><char3><AT command><contents of S3>
Format
 Table 18. Data Mode Command Descriptions
3.10.2Hayes* Escape Sequence
 536EX Chipset Developer’s Manual
 Sn=x
 536EX Chipset Developer’s Manual
Data Mode AT COMMANDS
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 AT&V0
 536EX Chipset Developer’s Manual
 Definition
Command Default
Indication
 1, 0,
 536EX Chipset Developer’s Manual
 1, 1,
+ESR
+ETBM
 +IFC
+GMR
+GSN
+ILRR=m
 modulations
 +MS=m
<carrier>
Description
see ‘m’
 <value>
+PHSW=
+PMHF
+PMHR
 536EX Chipset Developer’s Manual
 Table 19. Operating Modes
Error Correction and Data Compression4
Error Correction and Data Compression
 Table 20. Resulting +ES Connection Types
NOTES
 536EX Chipset Developer’s Manual
Error Correction and Data Compression
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 536EX Chipset Developer’s Manual
 +DS=m
+DR=m
direction
<max string>
 3768
+EFCS=m
 +ER=m
 +ES=m
 5.2Fax Class 1 Commands
Fax Class 1 AT Commands
5.1Fax Identity Commands
Fax Class 1 AT Commands
 Table 23. <mod> Selection Table
 Figure 8. T.30 HDLC Frame Format
 Table 24. Fax Mode Command Descriptions
 Refer to Table 23 on page
Table 24. Fax Mode Command Descriptions Continued
+FRH=m
shown in Table 23 on page
 +FTH=m
 IS-101Voice Mode AT Commands
IS-101Voice Mode AT Commands
 6.2Relay Control
Table 25. Voice Mode Command Descriptions
6.1DTMF Detection Reporting
 +FLO=m
m = <deassert>, <assert>
 m=<enable>, <report>
+VDR=m
 m = <mask>
+VEM=m
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 +VIP
 Preassigned Voice I/O Labels
+VLS=m
 Voice I/O Primitive Codes
Relay/Playback Control: cont
 +VSD=m
+VRX
m = <sds>, <sdi>
 Transmission: Range:
m= <cml>, <vsr>, <scs>, <sel>
+VSM=m
 Compression Method Selection: cont
+VSP=m
 factory default is ‘0’
 +VTS=m
none
 Description
Command
Default
DTMF and Tone Generation: cont
 S-Registers
S-Registers
Table 26. S-RegisterCommand Descriptions
 536EX Chipset Developer’s Manual
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S-Registers
 536EX Chipset Developer’s Manual
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S-Registers
 536EX Chipset Developer’s Manual
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S-Registers
 536EX Chipset Developer’s Manual
 Table 27. Caller ID Tags for Formatted Reporting
Caller ID
Caller ID
 <DLE> R
RING DATE = TIME = NMBR = NAME = DOE JOHN MESG =
RING RING
NMBR =
 Parallel Host Interface 16C450/16C550A UART
Parallel Host Interface 16C450/16C550A
UART
Figure 11. UART Emulation in Intelsdb.VxD
 UART Transmitter Flow Diagram
UART Receiver Flow Diagram
 ADDRESS
REGISTER
BIT NUMBER
NAME
 Figure 14. Scratch Register SCR
9.2.1Scratch Register SCR
9.2.2Modem Status Register MSR
Figure 15. Modem Status Register MSR
 9.2.3Line Status Register LSR
Figure 16. Line Status Register LSR
 Figure 17. Modem Control Register MCR
9.2.4Modem Control Register MCR
9.2.5Line Control Register LCR
Figure 18. Line Control Register LCR
 Figure 19. FIFO Control Register FCR
9.2.6FIFO Control Register FCR
Register
 Table 28. Interrupt Control Functions
9.2.7Interrupt Identity Register IIR
Figure 20. Interrupt Identity Register IIR
 9.2.9Transmitter Holding Register THR
9.2.8Interrupt Enable Register IER
Figure 21. Interrupt Enable Register IER
Figure 22. Transmitter Holding Register THR
 Figure 23. Receiver Buffer Register RBR
9.2.10Receiver Buffer Register RBR
9.2.11Divisor Latch Registers DLM and DLL
Figure 24. Divisor Latch Registers DLM and DLL
 9.3.2FIFO Polled Mode Operation
9.316C550A UART FIFO Operation
9.3.1FIFO Interrupt Mode Operation
 536EX Chipset Developer’s Manual
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Parallel Host Interface 16C450/16C550A UART