MD566X
 Revision History
 Conventions
Symbol Units of measure
Programmer’s Guide
Acronym Definition
 Dram
 Intel V.90/V.92 56K Chipsets
Chipset Contents Qty
Introduction
 Modem Connection Overview
V.92, V.90 and V.34 Data Modes
 Mode Data Rate bps Affected Data
DTE-to-DCE Data Rates for Each Mode
DCE-to-DCE Data Rates for Each Mode
 Command Function Default Range Reported by
AT Command Summary Tables
Data Mode Command Summary
 Intel Confidential
 Data rate Result code type Yes
 Ports only Async mode
 +GMI?
 Intel Confidential
 Command Function Default Range Reported By &Vn
V.44 / V.42 / V.42 bis MNP∗ Command Summary
 Intel Confidential
 Value saved in Nvram
 IS-101 Voice Command Summary
Fax Identity Command Summary
Fax Class 1 Command Summary
 Response Hex Code Function
Voice DTE→DCE Character Pairs
 Voice DTE←DCE Character Pairs
 S-Register Summary
Dial Modifiers Command Function
Register Function Default Range Units Reported By &Vn
 Verbose Code Numeric Code
10. V.90/V.92 Mode DCE-to-ISP Response Codes
 12. DTE-to-DCE Data Rate Response Codes
11. V.34 Mode DCE-to-DCE Response Codes
 Command Function Default Range
13. Manufacturing-Only Command Summary a
 Using AT Commands to Access the S-Registers Sn?, Sn=x, ?
Basic Data Mode AT Commands
Modem Responses and Command Echo En, Vn, Xn, Wn, Qn
Modem Setup Host Command Modem Response
 Example of a Remote Connection
 Information
Product Identification Information
 Establishing a Modem Connection A, D, DS = n, S0
 Modem-to-Modem Connection Data Rates
Online Command Mode Escape Codes, On
Hanging Up Hn, S10, Zn, &D2
 Intel Confidential
 Intel Confidential
 ATH +PMHF
 +PMHR
 Carrier Description
Supported Modulation Types
 S37
+MS = carrier , automode, min rate, max rate
 Figured to attempt only a 28,800 bps connec
Originating Answering Resulting Connection Speed Modem
 Local Analog Loopback AT&T1
Diagnostic Testing S18, &Tn
 AT&T0
 Local Analog Loopback with Self-Test
Local Analog Loopback With Self-Test AT&T8
 Time-Independent Escape Sequence
AT Escape Sequences
Licensing Requirements for Hayes Escape Sequence
 Hayes∗ Escape Sequence
 None
Data Mode Command Descriptions
Command Default Description
 Stant carrier mode
 Dialing Digits
 Online data mode echo
 Reports product code
 ATI5
Cont
 Mode from online command mode
 Sn?
Sn=x
 Protocol Lapm
 Sequent commands to be ignored
 For data mode
 Ports asynchronous mode. This command is the same as &M0
 User profile n
 Zn=x None
Modem power-up
 +GMR?
 V34BS
+MS=m See m
 Cont
Modulation Selection
 Examples DTE data rate = 2400 bps
Examples DTE data rate = 115,200 bps
+MS=m
 +PMH=m
+PCW=m
 DCE
+PMHR none
 Mand
+PSS=m
 Intel Confidential
 Mode Features
Error Correction and Data Compression
 Resulting \Nn Connection Types
 Bis with fallback to MNP5 \N3
 \Bn None
\An
 \Jn
\Cn
\Gn
 \Nn
\Kn
 \Xn
\Qn
\Tn
 Intel Confidential
 140,1884 3768
0,471
+DS44=m 972,140
 Fax Identity Commands
FAX Class 1 AT Commands
Fax Identity Command Descriptions
Tocols
 +FREV?/+FMR? none
Fax Class 1 Commands
 Value Modulation Speed Bps
Mod Selection Table
 Class 1 DTE-Generated Hdlc Frame Information AT+FTH=mod
 +FCLASS=1
Fax Mode Command Descriptions
 +FRH=n
Command Default Description Receive Hdlc Data
+FRM=n None
+FRS=n None
 DTE after receiving the +FTH=mod command
 Data using the modulation selected in mod
 Each command may be used as follows
IS-101 Voice Mode AT Commands
 Relay Control
Dtmf Detection
 +FLO=n
Voice Mode Command Descriptions
 +VCID=n
+VBT=m
 +VEM=m See m
Enable Report Function
+VDR=m
 Dialtone
+VEM=m
 Example 3. Reading the Event Mask Settings
Example 2. Setting the Event Mask
Event Reporting and Masking
Example 1. Viewing Supported Events
 +VGR=n 128
+VGM=n 128
+VGS=n
+VGT=n
 +VIP none
 +VLS=n
Code
 +VNH=n
Relay/Playback Control
Primitive Code +VLS=n
 Intel Confidential
 +VRX none
 +VSD=m See ‘m’
= sds, sdi Defaults m = 128
 Vsr Comments Samples/second
Manufac +VSM=m turer- specified
 +VSM=m Manufac
Compression Method Selection
Vsr
Hard Disk
 +VTD=n 100
+VSP=n
 +VTS=m none
 AT+VTS=DTMF or
Dtmf and Tone Generation
 AT+VTS= , ,duration For example AT+VTS= , ,50
 Intel Confidential
 Registers
S-Register Command Descriptions
 Ascii decimal
 S12
S10
S11
 S16
S14 138
 S22 118
S21
 S27
S23 None
 S31
 S33
 Maximum Line Speed Attempted
 110
 Caller ID Tags for Formatted Reporting
Caller ID
 Ring
 NCnn
MANUFACTURING-ONLY Commands
Manufacturing-Only Command Descriptions
 S92
S91
 $TTnn
 FAX Test
Tone Test Command Analog Loopback ALB Test
 #VGP0=n
Command Bit Pins
#VGP1=n See Note
#VGP2=n
 118
 119
Parallel Host Interface 16C450/16C550A Uart
Programmer’s Guide
 Register BIT Number Address Name
Parallel Host Interface Uart Register Bit Assignments
 Scratch Register SCR
Uart Register Definitions
Modem Status Register MSR
Line Status Register LSR
 Modem Control Register MCR
Are no subsequent Fifo errors
 123
Line Control Register LCR
 Trigger Level Bytes
Fifo Control Register FCR
 125
Interrupt Identity Register IIR
Interrupt Control Functions
 10.1.10Receiver Buffer Register RBR
Interrupt Enable Register IER
Transmitter Holding Register THR
 10.2 16C550A Uart Fifo Operation
Fifo Interrupt Mode Operation
10.1.11Divisor Latch Registers DLM and DLL
Programmable Data Rates
 Fifo Polled Mode Operation
 129
 130