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Rockwell RCV56HCF Designer's Manual

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RCV56HCF
PCI/CardBus Modem Designer's Guide
(Preliminary)
ROCKWELL PROPRIETARY INFORMATION.
DISSEMINATION OR USE OF THIS INFORMATION IS NOT PERMITTED WITHOUT THE
WRITTEN PERMISSION OF ROCKWELL INTERNATIONAL.
Order No. 1129
Rev. 1, August 19, 1997

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  • Page 1 RCV56HCF PCI/CardBus Modem Designer's Guide (Preliminary) ROCKWELL PROPRIETARY INFORMATION. DISSEMINATION OR USE OF THIS INFORMATION IS NOT PERMITTED WITHOUT THE WRITTEN PERMISSION OF ROCKWELL INTERNATIONAL. Order No. 1129 Rev. 1, August 19, 1997...
  • Page 2 K56flex is a trademark of Lucent Technologies and Rockwell International. MNP 10EC and DigiTalk are trademarks of Rockwell International. MNP is a trademark of Microcom Systems, Inc. VoiceView is a registered trademark of Radish Communications, Inc. Hayes is a trademark of Hayes Microcomputer Products, Inc. ROCKWELL PROPRIETARY INFORMATION 1129...

  • Page 3: Table Of Contents

    RCV56HCF PCI/CardBus Modem Designer’s Guide 1. INTRODUCTION ...1-1 1.1 SUMMARY...1-1 1.2 FEATURES ...1-1 1.3 TECHNICAL OVERVIEW ...1-7 1.3.1 General Description ...1-7 1.3.2 Operating Modes ...1-7 Data/Fax Modes...1-7 AudioSpan Modes ...1-7 Host-Controlled DSVD Mode (ISDN and SP Models) ...1-7 Voice/Audio Mode (V Models)...1-7 Speakerphone Mode (ISDN and SP Models) ...1-8...
  • Page 4 RCV56HCF PCI/CardBus Modem Designer’s Guide 2.13.1 Commanded Tests..2-4 2.13.2 Power On Reset Tests ...2-4 2.14 LOW POWER SLEEP MODE ...2-4 3. HARDWARE INTERFACE... 3-1 3.1 HARDWARE SIGNAL PINS AND DEFINITIONS...3-1 3.2 ELECTRICAL,SWITCHING,AND ENVIRONMENTAL CHARACTERISTICS... 3-18 3.2.1 Power and Maximum Ratings...3-18 3.2.2 PCI Bus ...
  • Page 5 RCV56HCF PCI/CardBus Modem Designer’s Guide List of Figures Figure 1-1. RCV56HCF System Overview...1-4 Figure 1-2. RCV56HCF Hardware Configuration Block Diagram...1-5 Figure 1-3. Typical Audio Signal Interface (U.S.) ... 1-10 Figure 3-1. RCV56HCF Interface Signals...3-2 Figure 3-2. Bus Interface 176-Pin TQFP Hardware Interface Signals ...3-3 Figure 3-3.
  • Page 6 RCV56HCF PCI/CardBus Modem Designer’s Guide List of Tables Table 1-1. Modem Models and Functions ...1-3 Table 1-2. Typical Signal Routing - Voice Mode ... 1-11 Table 1-3. Relay Positions - VoiceView Mode ... 1-11 Table 3-1. Bus Interface 176-Pin TQFP Pin Signals ...3-5 Table 3-2.

  • Page 7: Introduction

    Internet service provider (ISP), on-line service, or corporate site. The RCV56HCF can send data at speeds up to V.34 rates.
  • Page 8 RCV56HCF PCI/CardBus Modem Designer’s Guide AudioSpan (simultaneous audio/voice and data)* ITU-T V.61 modulation (4.8 kbps data plus audio) Handset, headset, or half-duplex speakerphone ITU-T V.70 DSVD (option) ITU-T G.729 Annex A with interoperable G.729 Annex B SIG (special interest group) DigiTalk DSVD...

  • Page 9: Table 1-1. Modem Models And Functions

    RCV56HCF PCI/CardBus Modem Designer’s Guide Marketing Model Number 1 RCV56HCF/ISDN RCV56HCFW/ISDN RCV56HCF/SP RCV56HCFW/SP RC56HCF RC56HCFW Notes: The two-device set manufacturing part numbers are: PCI Bus Interface in 176-pin TQFP: 11229-XX. MDP in 144-pin TQFP: R6776-XX. Legend: Y = Function supported.

  • Page 10: Figure 1-1. Rcv56Hcf System Overview

    RCV56HCF PCI/CardBus Modem Designer’s Guide PC Software Win32-based MS-DOS Win32 Win16-based communications application NDIS communications application application (MS-DOS Box) application Win95 Communications Stack RC56HCF RC56HCF Serial Port Driver* WAN Miniport Driver* Modem Hardware RCV56HCF Modem Device Set Hardware on Motherboard...

  • Page 11: Figure 1-2. Rcv56Hcf Hardware Configuration Block Diagram

    HOST INTERFACE INTERFACE (BIF) RCV56HCF MODEM DEVICE SET HOST INTERFACE INTERFACE (BIF) b. Data/Fax/Voice/Speakerphone, SVD - PSTN Configuration (RCV56HCF/SP and RCV56HCFW/SP) Figure 1-2. RCV56HCF Hardware Configuration Block Diagram 1129 VOICE* CID* MODEM RING DATA PUMP (MDP) * OPTIONAL USE (SUPPORTED BY MODEL HARDWARE AND SOFTWARE).
  • Page 12 RCV56HCF PCI/CardBus Modem Designer’s Guide RCV56HCF MODEM DEVICE SET HOST INTERFACE INTERFACE (BIF) c. Data/Fax/Voice/Speakerphone, SVD/ISDN - PSTN and ISDN Configuration (RCV56HCF/ISDN and RCV56HCFW/ISDN) RCV56HCF MODEM DEVICE SET HOST INTERFACE INTERFACE (BIF) d. Data/Fax/Voice/Speakerphone, SVD/ISDN - ISDN Only Configuration (RCV56HCF/ISDN and RCV56HCFW/ISDN) Figure 1-2.

  • Page 13: Host-Controlled Dsvd Mode (Isdn And Sp Models)

    1.3 TECHNICAL OVERVIEW 1.3.1 General Description The RCV56HCF Device Set provides the processing core for a complete system design featuring data/fax modem, DSVD, AudioSpan, speakerphone, voice/audio, and VoiceView depending on specific model (Table 1-1). Note: RCV56HCF Device Set refers to the family of single device modem models listed in Table 1-1.

  • Page 14: Downloadable Modem Data Pump Firmware

    RCV56HCF PCI/CardBus Modem Designer’s Guide Speakerphone Mode (ISDN and SP Models) The speakerphone mode features an advanced proprietary speakerphone algorithm which supports full-duplex voice conversation with both acoustic and line echo cancellation. Parameters are constantly adjusted to maintain stability with automatic fallback from full-duplex to pseudo-duplex operation.
  • Page 15 RCV56HCF PCI/CardBus Modem Designer’s Guide 1.3.5.2 Serial EEPROM Interface A serial EEPROM is required to store the Maximum Latency, Minimum Grant, Device ID, Vendor ID, Subsystem ID, and Subsystem Vendor ID parameters for the PCI Configuration Space Header. The serial EEPROM interface connects to an Microchip 93LC66B, Atmel AT93C66, or equivalent 256 x 16 serial EEPROM.

  • Page 16: Figure 1-3. Typical Audio Signal Interface (U.s.)

    RCV56HCF PCI/CardBus Modem Designer’s Guide LCS_L1# IRING_L1# VOICE# OH_L1# CID_L1# VC_L1 TXA1_L1 TXA2_L1 RXA_L1 TELOUT_L1 RCV56HCF TELIN_L1 MODEM DEVICE MIC_M MIC_V SPKROUT_M 1-10 HYBRD & & XFRMR BRDGE CALLID RELAY HANDSET HYBRID TELEPHONE LINE/TELEPHONE HANDSET INTERFACE CIRCUIT AUDIO/HEADPHONE INTERFACE CIRCUIT Figure 1-3.

  • Page 17: Table 1-2. Typical Signal Routing - Voice Mode

    RCV56HCF PCI/CardBus Modem Designer’s Guide +VLS= Description Command Modem on hook. Phone connected to Line Modem connected to Line. Modem connected to Handset Modem connected to Line and Handset Modem connected to Speaker Modem connected to Line and Speaker Modem connected to Microphone Speaker and Mic.
  • Page 18 RCV56HCF PCI/CardBus Modem Designer’s Guide This page is intentionally blank. 1-12 ROCKWELL PROPRIETARY INFORMATION 1129...

  • Page 19: Establishing Data Modem Connections

    RCV56HCF PCI/CardBus Modem Designer’s Guide 2. TECHNICAL SPECIFICATIONS 2.1 ESTABLISHING DATA MODEM CONNECTIONS Dialing DTMF Dialing. DTMF dialing using DTMF tone pairs is supported in accordance with ITU-T Q.23. The transmit tone level complies with Bell Publication 47001. Pulse Dialing. Pulse dialing is supported in accordance with EIA/TIA-496-A.

  • Page 20: Fall Forward/Fallback (K56Flex, V.34/V.32 Bis/V.32)

    RCV56HCF PCI/CardBus Modem Designer’s Guide Fall Forward/Fallback (K56flex, V.34/V.32 bis/V.32) During initial handshake, the modem will fallback to the optimal line connection within K56flex/V.34/V.32 bis/V.32 mode depending upon signal quality if automode is enabled by the +MS command. When connected in K56flex/V.34/V.32 bis/V.32 mode, the modem will fall forward or fallback to the optimal line speed within the current modulation depending upon signal quality if fall forward/fallback is enabled by the %E1 command.

  • Page 21: Online Voice Command Mode

    RCV56HCF PCI/CardBus Modem Designer’s Guide 2.6.1 Online Voice Command Mode This mode results from the connection to the telephone line or a voice/audio I/O device (e.g., microphone, speaker, or handset) through the use of the +FCLASS=8 and +VLS commands. After mode entry, AT commands can be entered without aborting the connection.

  • Page 22: World Class Country Support

    RCV56HCF PCI/CardBus Modem Designer’s Guide software control modem operation. Most VoiceView commands use an extended syntax starting with the characters "-S", which signifies the capability to switch between voice and data. 2.11 CALLER ID Caller ID can be enabled/disabled using the +VCID command. When enabled, caller ID information (date, time, caller code, and name) can be passed to the DTE in formatted or unformatted form.

  • Page 23: Hardware Interface

    3. HARDWARE INTERFACE 3.1 HARDWARE SIGNAL PINS AND DEFINITIONS The RCV56HCF (PCI) functional interface signals are shown in Figure 3-1. The Bus Interface hardware interface signals are shown by major interface in Figure 3-2. The Bus Interface pin assignments for the 176-pin TQFP are shown Figure 3-3 and are listed Table 3-1.

  • Page 24: Figure 3-1. Rcv56Hcf Interface Signals

    RCV56HCF PCI/CardBus Modem Designer’s Guide 28.224 MHZ CRYSTAL CIRCUIT SROMCLK 256 x 16 SROMCS SROMIN SERIAL SROMOUT EEPROM AVDD AGND AGND AGND AD[31:0] CBE0# CBE1# CBE2# CBE3# PCICLK PCIRST# FRAME# IDSEL DEVSEL# IRDY# TRDY# REQ# GNT# INTA# RCV56HCF STOP# PERR#...

  • Page 25: Figure 3-2. Bus Interface 176-Pin Tqfp Hardware Interface Signals

    RCV56HCF PCI/CardBus Modem Designer’s Guide 27pF 28.224 MHz 27pF EEPROM Figure 3-2. Bus Interface 176-Pin TQFP Hardware Interface Signals 1129 MODEM_CS# MODEM_IRQ M_TXCLK M_TX XOUT M_RXCLK M_RX WKRES# PCICLK SI_FRAME PCIRST# SI_CLK FRAME# SI_DD IDSEL SI_DU DEVSEL# M_CLK IRDY# L85CLK...

  • Page 26: Figure 3-3. Bus Interface 176-Pin Tqfp Pin Signals

    RCV56HCF PCI/CardBus Modem Designer’s Guide MS189F4-BIF-PO-176TQFP Figure 3-3. Bus Interface 176-Pin TQFP Pin Signals ROCKWELL PROPRIETARY INFORMATION 1129...

  • Page 27: Table 3-1. Bus Interface 176-Pin Tqfp Pin Signals

    RCV56HCF PCI/CardBus Modem Designer’s Guide I/O Type 1 Signal Label RESERVED RESERVED RESERVED RESERVED RESERVED CARDBUS# SROMCS SROMOUT SROMIN SROMCLK RESERVED RESERVED ISDN_CS# ISDN_INT# Itpd Ot4ts INTA# Opod PCIRST# PCICLK GNT# Ipts REQ# Opts CLKRUN# AD31 I/Opts AD30 I/Opts AD29...
  • Page 28 RCV56HCF PCI/CardBus Modem Designer’s Guide I/O Type 1 Signal Label DEVSEL# I/Opsts STOP# I/Opsts PERR# I/Osts SERR# I/Opod I/Opts CBE1# I/Opts AD15 I/Opts AD14 I/Opts AD13 I/Opts AD12 I/Opts AD11 I/Opts AD10 I/Opts I/Opts I/Opts CBE0# I/Opts Notes: 1. I/O types:...

  • Page 29: Table 3-2. Bus Interface Pin Signal Definitions

    RCV56HCF PCI/CardBus Modem Designer’s Guide Label I/O Type XIN, Crystal In and Crystal Out. Connect XIN and XOUT to a 28.224 MHz external crystal circuit. XOUT Digital Supply Voltage. Connect to 3.3V. Digital Ground. Connect to digital ground. CARDBUS# CardBus Interface Select. Selects CardBus (low) or PCI Bus (high) drive strength. For PCI Bus, connect to VCC through 1K ohm.
  • Page 30 RCV56HCF PCI/CardBus Modem Designer’s Guide Table 3-2. Bus Interface Pin Signal Definitions (Cont’d) Label I/O Type PERR# I/Opsts Parity Error. PERR# is used for the reporting of data parity errors. (s/t/s) SERR# System Error. SERR# is an open drain output asserted to report address parity errors, data parity errors on (o/d) the Special Cycle command, or any other system error where the result will be catastrophic.
  • Page 31 RCV56HCF PCI/CardBus Modem Designer’s Guide Table 3-2. Bus Interface Pin Signal Definitions (Cont’d) Label I/O Type DA0-DA4 Device Bus Address Lines 0-4. Connect to the MDP RS0-RA4 pins, respectively. DD0-DD7 It/Ot12 Device Bus Data Line 0-7. Connect to the MDP D0-D7 pins, respectively.
  • Page 32 RCV56HCF PCI/CardBus Modem Designer’s Guide Table 3-2. Bus Interface Pin Signal Definitions (Cont’d) Label I/O Type DA0-DA3 Device Bus Address Lines 0-3. Connect to the MDP only DD0-DD7 It/Ot12 Device Bus Data Line 0-7. Connect to the MDP only DRD# Read Enable.

  • Page 33: Figure 3-4. Mdp 144-Pin Tqfp Hardware Interface Signals

    RCV56HCF PCI/CardBus Modem Designer’s Guide MODEM_CLK MODEM_CS# MODEM_IRQ DRD# DWR# DRESET# WKRES# SI_FRAME SI_CLK SI_DD SI_DU M_TX M_TXCLK M_RXCLK M_RX AGND Figure 3-4. MDP 144-Pin TQFP Hardware Interface Signals 1129 XTLI RESERVED XTLO RESERVED RESERVED RESERVED TELIN_L1 SPKROUT_M TELOUT_L1 RXA_L1...

  • Page 34: Figure 3-5. Mdp 144-Pin Tqfp Pin Signals

    RCV56HCF PCI/CardBus Modem Designer’s Guide MS181F6 PO-MDP144T Figure 3-5. MDP 144-Pin TQFP Pin Signals 3-12 ROCKWELL PROPRIETARY INFORMATION 1129...

  • Page 35: Table 3-3. Mdp Pin Signals - 144-Pin Tqfp

    RCV56HCF PCI/CardBus Modem Designer’s Guide Signal Label Type 1 IA/OB RESERVED IA/OB IA/OB RESERVED IA/OB SYCLK IA/OB IA/OB IA/OB PLLVDD AGND AGND AGND TELIN_L1 I(DA) AGNDV TELOUT_L1 O(DD) AVAA SPKROUT_M O(DF) TXA1_L1 O(DD) TXA2_L1 O(DD) VREF VC_L1 MIC_V I(DA) RXA_L1...
  • Page 36 RCV56HCF PCI/CardBus Modem Designer’s Guide Table 3-3. MDP Pin Signals - 144-Pin TQFP (Continued) Signal Label Type 1 PLLGND IOM_DD RESERVED DWR# DRD# M_RXCLK WKRES# Notes: I/O types: IA, IB = Digital input; OA, OB = Digital output (see Table 3-9).

  • Page 37: Table 3-4. Mdp Pin Signal Definitions

    RCV56HCF PCI/CardBus Modem Designer’s Guide Label I/O Type XTLI Crystal Int. Connect the BIF MODEMCLK pin through a 33 XTLO Crystal Out. Leave open. VDD, Digital Power Supply. To +3.3V and digital circuits power supply filter. AVDD AVAA Analog Power Supply. To +3.3V and analog circuits power supply filter.
  • Page 38 RCV56HCF PCI/CardBus Modem Designer’s Guide Label I/O Type TELEPHONE LINE/TELEPHONE/AUDIO INTERFACE SIGNALS AND REFERENCE VOLTAGE TXA1_L1 O(DF) Transmit Analog 1 and 2. The TXA1_L1 and TXA2_L1 outputs are differential outputs 180 degrees out of TXA2_L1 phase with each other. Each output can drive a 300...
  • Page 39 RCV56HCF PCI/CardBus Modem Designer’s Guide Label I/O Type GPO0 To M_RXCLK SLEEPO To IASLEEP IASLEEP To SLEEPO MSCLK To IA1CLK CLKOUT To MCLKIN & VCLKIN SR1IO To MCTRLSIN SR3IN To MRXOUT IA1CLK To MSCLK SA1CLK To MSTROBE SR4OUT To MTXSIN...

  • Page 40: Electrical,Switching,And Environmental Characteristics

    RCV56HCF PCI/CardBus Modem Designer’s Guide 3.2 ELECTRICAL,SWITCHING,AND ENVIRONMENTAL CHARACTERISTICS 3.2.1 Power and Maximum Ratings The current and power requirements are listed in Table 3-5. The absolute maximum ratings are listed in Table 3-6. Mode Bus Interface (11229) Operating Modem Data Pump (R6776)

  • Page 41: Pci Bus

    RCV56HCF PCI/CardBus Modem Designer’s Guide 3.2.2 PCI Bus Table 3-7 summarizes the PCI DC specifications for 3.3V signaling. Table 3-8 summarizes the PCI AC specifications for 3.3V signaling. Table 3-7. PCI Bus DC Specifications for 3.3V Signaling Symbol Parameter Supply Voltage...

  • Page 42: Mdp

    RCV56HCF PCI/CardBus Modem Designer’s Guide 3.2.3 MDP The MDP digital electrical characteristics for the hardware interface signals are listed in Table 3-9. The MDP analog electrical characteristics for the hardware interface signals are listed in Table 3-10. Parameter Symbol Input High Voltage...

  • Page 43: Table 3-10. Analog Electrical Characteristics

    RCV56HCF PCI/CardBus Modem Designer’s Guide Name Type RXA_L1, I (DA) Input Impedance TELIN_L1 AC Input Voltage Range Reference Voltage TXA1_L1 O (DD) Minimum Load TXA2_L1 Maximum Capacitive Load TELOUT_L1 Output Impedance AC Output Voltage Range Reference Voltage DC Offset Voltage...

  • Page 44: Interface Timing And Waveforms

    RCV56HCF PCI/CardBus Modem Designer’s Guide 3.3 INTERFACE TIMING AND WAVEFORMS 3.3.1 PCI Bus Timing The PCI interface timing conforms to the PCI Local Bus Specification, Production Version, Revision 2.1, June 1, 1995. 3.3.2 Serial EEPROM Timing The serial EEPROM interface timing is listed in Table 3-11 and is shown in Figure 3-6.

  • Page 45: External Device Bus Timing

    RCV56HCF PCI/CardBus Modem Designer’s Guide 3.3.3 External Device Bus Timing The external Device Bus timing is listed in Table 3-12 and illustrated in Figure 3-7. Symbol Description Address setup Address hold Chip select setup Chip select hold Read pulse width...

  • Page 46: Figure 3-7. Waveforms - External Device Bus Interface

    RCV56HCF PCI/CardBus Modem Designer’s Guide DA0 - DA4 ISDN_CS# DRD# DD0-DD7 DA0 - DA4 ISDN_CS# DWR# DD0-DD7 Figure 3-7. Waveforms - External Device Bus Interface 3-24 t AS t CSS t RW t RDA Read data valid a. Read t AS...

  • Page 47: Iom-2 Interface

    RCV56HCF PCI/CardBus Modem Designer’s Guide 3.3.4 IOM-2 Interface The interface timing is listed in Table 3-13 and shown in Figure 3-8. Symbol Parameter t r, t f Data clock (DCL) and frame sync (FSC) rise/fall t DCL Data clock period (note 1)
  • Page 48 RCV56HCF PCI/CardBus Modem Designer’s Guide This page is intentionally blank. 3-26 ROCKWELL PROPRIETARY INFORMATION 1129...

  • Page 49: Design Considerations

    RCV56HCF PCI/CardBus Modem Designer’s Guide 4. DESIGN CONSIDERATIONS Good engineering practices must be followed when designing a printed circuit board (PCB) containing the modem device. This is especially important considering the high data bit rate, high fax rate, record/play of analog speech and music audio, and full-duplex speakerphone operation.

  • Page 50: Signal Routing

    RCV56HCF PCI/CardBus Modem Designer’s Guide Once sections have been roughly defined, place the components starting with the connectors and jacks. Allow sufficient clearance around connectors and jacks for mating connectors and plugs. Allow sufficient clearance around components for power and ground traces.

  • Page 51: Power

    RCV56HCF PCI/CardBus Modem Designer’s Guide 10. Minimize the number of through-hole connections (feedthroughs/vias) on traces carrying high frequency signals. 11. Keep all signal traces away from crystal circuits. 12. Distribute high frequency signals continuously on a single trace rather than several traces radiating from one point.

  • Page 52: Ground Planes

    RCV56HCF PCI/CardBus Modem Designer’s Guide 4.1.5 Ground Planes In a 2-layer design, provide digital and analog ground plane areas in all unused space around and under digital and analog circuit components (exclusive of the DAA), respective, on both sides of the board, and connect them such a manner as to avoid small islands.

  • Page 53: Telephone And Local Handset Interface

    Therefore, if the modem is to be connected back-to-back by cable directly to another modem, the modems will not be able to connect. The DAAs must be modified to operate dry, i.e., without line current, when used in this environment. A complete schematic is available for the RCV56HCF Data/Fax Modem PCI Half Card Reference Design (TR04-D380). 1129...

  • Page 54: Table 4-2. Crystal Specifications - Surface Mount

    RCV56HCF PCI/CardBus Modem Designer’s Guide Characteristic Rockwell Part No. Electrical Frequency Frequency Tolerance Frequency Stability vs. Temperature vs. Aging Oscillation Mode Calibration Mode Load Capacitance, C Shunt Capacitance, C Series Resistance, R Drive Level Operating Temperature Storage Temperature Mechanical Dimensions (L x W x H)

  • Page 55: Table 4-3. Crystal Specifications - Through Hole

    RCV56HCF PCI/CardBus Modem Designer’s Guide Characteristic Rockwell Part No. Electrical Frequency Frequency Tolerance Frequency Stability vs. Temperature vs. Aging Oscillation Mode Calibration Mode Load Capacitance, C Shunt Capacitance, C Series Resistance, R Drive Level Operating Temperature Storage Temperature Mechanical Dimensions (L x W x H)

  • Page 56: Package Dimensions

    RCV56HCF PCI/CardBus Modem Designer’s Guide 4.4 PACKAGE DIMENSIONS The package dimensions are shown in Figure 4-1 (144-pin TQFP) and Figure 4-2 (176-pin TQFP) . PIN 1 DETAIL A Figure 4-1. Package Dimensions - 144-Pin TQFP ROCKWELL PROPRIETARY INFORMATION DETAIL A...

  • Page 57: Figure 4-2. Package Dimensions - 176-Pin Tqfp

    RCV56HCF PCI/CardBus Modem Designer’s Guide Figure 4-2. Package Dimensions - 176-Pin TQFP 1129 ROCKWELL PROPRIETARY INFORMATION...
  • Page 58 RCV56HCF PCI/CardBus Modem Designer’s Guide This page is intentionally blank. 4-10 ROCKWELL PROPRIETARY INFORMATION 1129...

  • Page 59: Software Interface

    RCV56HCF PCI/CardBus Modem Designer’s Guide 5. SOFTWARE INTERFACE 5.1 PCI Configuration Registers The PCI Configuration registers are located in the BIF. Table 5-1 identifies the configuration register contents that are supported in the BIF device: Offset 31:24 (Hex) Not Implemented Max Latency 5.1.1 Vendor ID Field...

  • Page 60: Command Register

    RCV56HCF PCI/CardBus Modem Designer’s Guide 5.1.3 Command Register The Command Register bits are described in Table 5-2. Controls a device’s response to I/O Space accesses. A value of 0 disables the device response. A value of 1 allows the device to respond to I/O Space accesses. State after RST# is 0.

  • Page 61: Revision Id Field

    RCV56HCF PCI/CardBus Modem Designer’s Guide 5.1.5 Revision ID Field Initial part hardwired to 00. 5.1.6 Class Code Field Hardwired to 0x078000 to indicate communications controller. 5.1.7 Latency Timer Register The Latency Timer register specifies, in units of PCI bus clocks, the value of the Latency Timer for this PCI bus master. This register has 5 read/write bits (MSBs) plus 3 bits of hardwired zero (LSBs).

  • Page 62: Serial Eeprom Interface

    RCV56HCF PCI/CardBus Modem Designer’s Guide 5.3 SERIAL EEPROM INTERFACE The serial EEPROM interface is used to load PCI configuration parameters and CIS information (required for Card Bus operation) after a reset occurs. The PCI configuration information to be loaded requires 10 bytes of data. The CIS information requires 384 bytes of data.

  • Page 63: Command Set

    RCV56HCF PCI/CardBus Modem Designer’s Guide 6. COMMAND SET The commands for the different models are listed by functional use in Table 6-1and alphanumerically in Table 6-2. Table 6-1. Command Set Summary - Functional Use Sort Command Generic Modem Control Reset to Default Configuration...
  • Page 64 RCV56HCF PCI/CardBus Modem Designer’s Guide Table 5-1. Command Set Summary - Functional Use Sort (Cont’d) Command Data Compression Data Compression Data Compression Reporting Enable/Disable Line Quality Monitor and Auto- Retrain Line Signal Level Line Signal Quality +A8E V.8 and V.8bis Operation Control +A8M Send V.8 Menu Signals...
  • Page 65 RCV56HCF PCI/CardBus Modem Designer’s Guide Table 5-1. Command Set Summary - Functional Use Sort (Cont’d) Command Voice Commands +VCID Caller ID (CID) +VDID DID Feature +VNH Automatic Hang-up Control +VIP Voice Initialize All Parameters +VRX Start Modem Receive (Record) +VTS...

  • Page 66: Table 6-2. Command Set Summary - Alphanumeric Sort

    RCV56HCF PCI/CardBus Modem Designer’s Guide Table 6-2. Command Set Summary - Alphanumeric Sort Command Enable/Disable Line Quality Monitor and Auto- Retrain Line Signal Level Line Signal Quality &C RLSD Behavior &D DTR Behavior &F Set to Factory-Defined Configuration &G Select Guard Tone &P...
  • Page 67 RCV56HCF PCI/CardBus Modem Designer’s Guide Table 5-2. Command Set Summary - Alphanumeric Sort (Cont’d) Command +IFC DTE-Modem Local Flow Control +ILRR DTE-Modem Local Rate Reporting +ITF Transmit Flow Control Thresholds Modulation Reporting Control Modulation Selection +VBT Buffer Threshold Setting +VCID...
  • Page 68 RCV56HCF PCI/CardBus Modem Designer’s Guide Table 5-2. Command Set Summary - Alphanumeric Sort (Cont’d) Command Number of Rings to Automatic Answer Ring Counter Escape Character Line Termination Character Response Formatting Character Command Line Editing Character Pause Before Blind Dialing Connection Completion Timeout...
  • Page 69 NOTES (Inside Back Cover)
  • Page 70 REGIONAL SALES OFFICES Headquarters US Southwest Office Rockwell Semiconductor Systems Rockwell Semiconductor Systems 4311 Jamboree Road, 5000 Birch Street P.O. Box C Suite 400 Newport Beach, CA 92658-8902 Newport Beach, CA 92660 Phone: (714) 221-4600 Phone: (714) 222-9119 Fax: (714) 221-6375 Fax: (714) 222-0620 US Southwest Satellite Office...

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