Main
MD566X 56K Data, Fax, and Voice Chipset
Revision History
Date Revision May 2001 Revise layout. July 2001 Update for V.92
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CONVENTIONS
Abbreviations
Acronyms
Acronym Definition (Continued)
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1. INTRODUCTION
Table 1-1. Intel V.90/V.92 56K Chipsets
1.1 V.92, V.90 and V.34 Data Modes
1.2 Modem Connection Overview
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Table 1-2. DTE-to-DCE Data Rates for Each Mode
Table 1-3. DCE-to-DCE Data Rates for Each Mode
2. AT COMMAND SUMMARY TABLES
Table 2-1. Data Mode Command Summary
Note Command Function Default Range Reported by &Vn
56K V.92 Data, Fax, and Voice Chipset
Note Command Function Default Range Reported by &Vn
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Table 2-2. V.44 / V.42 / V.42 bis MNP Command Summary
Note Command Function Default Range Reported by &Vn
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Table 2-2. V.44 / V.42 / V.42 bis MNP Command Summary (Continued)
Note Command Function Default Range Reported by &Vn
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Table 2-3. Fax Identity Command Summary
Table 2-4. Fax Class 1 Command Summary
Table 2-5. IS-101 Voice Command Summary
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Table 2-5. IS-101 Voice Command Summary (Continued)
Table 2-6. Voice DTEDCE Character Pairs
Response Hex Code Function
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Table 2-7. Voice DTEDCE Character Pairs
Response Hex Code Function
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Table 2-8. Dial Modifiers Command Function
Note R egister Function Default Range Units
Table 2-9. S-Register Summary
Reported by &Vn
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Table 2-9. S-Register Summary (Continued)
Table 2-10. V.90/V.92 Mode DCE-to-ISP Response Codes
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Table 2-11. V.34 Mode DCE-to-DCE Response Codes
Verbose Code Numeric Code
Table 2-12. DTE-to-DCE Data Rate Response Codes
Verbose Code Numeric Code
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Table 2-13. Manufacturing-Only Command Summary
3. BASIC DATA MODE AT COMMANDS
3.1 Using AT Commands to Access the S-Registers [Sn?, Sn=x, ?]
3.2 Modem Responses and Command Echo [En, Vn, Xn, Wn, Qn]
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3.3 Modem Reset and NVRAM Commands [DS=n, Zn, &F, &Vn, &Yn, &Wn, &Zn=x]
Table 3-1. Product Identification Information
3.5 Establishing a Modem Connection [A, D, DS = n, S0]
3.6 Online Command Mode [Escape Codes, On]
3.7 Hanging Up [Hn, S10, Zn, &D2]
3.8 Modem-to-Modem Connection Data Rates
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Table 3-2. Supported Modulation Types
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Table 3-3. Resulting DCE-to-DCE Connection Rates with Non-Default Value s
3.9 Diagnostic Testing [S18, &Tn]
3.9.1 Local Analog Loopback [AT&T1]
LOCAL MODEM
Figure 3-2. Local Analog Loopback Test Local Modem (or Test Modem)
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3.9.2 Local Analog Loopback With Self-Test [AT&T8]
Figure 3-3. Local Analog Loopback with Self-Test Local Modem (or Test Modem)
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3.10 AT Escape Sequences
3.10.1 Time-Independent Escape Sequence
Licensing Requirements for Hayes Escape Sequence
3.10.2 Hayes Escape Sequence
En, Hn, Mn, On, Qn, Sn, Vn, Xn, and & commands (except &Tn and &F)
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(cont.) 0
Identification/Checksum Option: (cont.)
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Wn 0
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4. ERROR CORRECTION AND DATA COMPRESSION
Operating Modes
Table 4-1. Resulting \Nn Connection Types
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+DS44=m
3,0,0,471, 972,140, 140,1884, 3768
5. FAX CLASS 1 AT COMMANDS
5.1 Fax Identity Commands
Table 5-1. Fax Identity Command Descriptions
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Table 5-1. Fax Identity Command Descriptions
5.2 Fax Clas s 1 Commands
Figure 5-1. T.30 HDLC Frame Format
Table 5-2. <mod> Selection Table
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Figure 5-2. CLASS 1 DTE-Generated HDLC Frame Information (AT+FTH=<mod>)
Figure 5-3. CLASS 1 DTE Reception of HDLC Frame Information (AT+FRH=<mod>)
Table 5-3. Fax Mode Command Descriptions
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6. IS-101 VOICE MODE AT COMMANDS
6.1 DTMF Detection
6.2 Relay Control
Table 6-1. Voice Mode Command Descriptions
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Table 6-1. Voice Mode Command Descriptions (Continued)
15678
2
} }
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+VLS=n 0
Preassigned Voice I/O Labels
Table 6-1. Voice Mode Command Descriptions (Continued)
<label> Primitive Code Description
Voice I/O Primitive Codes
Table 6-1. Voice Mode Command Descriptions (Continued)
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7. S-REGISTERS
Table 7-1. S-Register Command Descriptions
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S33 10
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8. CALLER ID
Table 8-1. Caller ID Tags for Formatted Reporting
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9. MANUFACTURING-ONLY COMMANDS
Table 9-1. Manufacturing-Only Command Descriptions
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10. PARALLEL HOST INTERFACE 16C450/16C550A UART
Figure 10-1. FIFO Buffers for Transmitter and Receiver
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Table 10-1. Parallel Host Interface UART Register Bit Assignments
Note: These bits are always 0 in 16C450 mode.
10.1 UART Register Definitions
10.1.1 Scratch Register (SCR)
Register 5
10.1.2 Modem Status Register (MSR)
10.1.3 Line Status Register (LSR)
10.1.4 Modem Control Register (MCR)
Register 4
10.1.5 Line Control Register (LCR)
Register 3
10.1.6 FIFO Control Register (FCR)
Register 2
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10.1.7 Interrupt Identity Register (IIR)
Table 10-2. Interrupt Control Functions
FIFO Mode Only
Interrupt Identification Register Interrupt Source and Reset Functions
FIFO EN FIFO EN 0 VDMA Int. ID 2 Int. ID 1 Int. ID 0 Int. Pen.
10.1.8 Interrupt Enable Register (IER)
10.1.9 Transmitter Holding Register (THR)
10.1.10Receiver Buffer Register (RBR)
Register 1
10.1.11Divisor Latch Registers (DLM and DLL)
10.2 16C550A UART FIFO Operation
10.2.1 FIFO Interrupt Mode Operation
Table 10-3. Programmable Data Rates
Register 1
10.2.2 FIFO Polled Mode Operation