Rockwell RCV336DPFL Manuals

Manuals and User Guides for Rockwell RCV336DPFL. We have 1 Rockwell RCV336DPFL manual available for free PDF download: Designer's Manual

Rockwell RCV336DPFL Designer's Manual

Rockwell RCV336DPFL Designer's Manual (194 pages)

Modem Data Pump

Brand: Rockwell | Category: Control Unit | Size: 0 MB

Table of Contents

Table of Contents
3
1 Introduction

11
- Table 1-1. Modem Models and Differences
  11
  - Features
    12
  - Technical Description
    13
    
    Table 1-2. Configurations, Signaling Rates, and Data Rates
    14
    
    Audiospan Modes
    15
    
    Table 1-3. RTS-CTS Response Times
    15
    
    Data Formats
    16
2 Hardware Interface

19
3 Software Interface

35
- Interface Memory
  35
4 Dsp Ram Access

61
5 Hdlc Operation

97
- Hdlc Frames
  97
- Operation
  98
  - Transmitter and Receiver Setup
    98
  - Figure 5-1. HDLC Frame
    98
  - Transmitter HDLC Operation
    99
  - Receiver HDLC Operation
    99
- Example Application
  100
  - Transmitter Example (Tx FIFO Disabled)
    100
  - Transmitter Example (Tx FIFO Enabled)
    100
  - Receiver Example
    101
  - Figure 5-2. HDLC Signal Timing
    102
6 Host Functions

103
- Interrupt Request Handling
  103
- Auto Dial Procedure
  103
- Auto Mode Detection
  103
- Table 6-1. Interrupt Request Bits
  104
- Table 6-2. Auto Dial Default Values
  104
- Figure 6-1. Auto Dial Sequence and Dial Digits
  105
- Figure 6-2. Host Flowchart - Originating Automode
  106
- Figure 6-3. Host Flowchart - Answering Automode
  107
- Modem Self-Test Information
  108
  - Controller Self-Test
    108
  - DSP Self-Test
    108
  - Figure 6-4. Modem Self-Test Results Read Procedure
    109
- Eqm Averaging
  110
- Retrain and Automatic Rate Change
  111
  - Retrain Without a Rate Change
    111
  - Retrain with a Rate Change
    111
- Handshake Time-Out Timers
  111
- Cleardown
  112
  - K56Flex Cleardown
    112
  - Bis Cleardown
    112
7 Design Considerations

113
8 Implementation

123
- General
  123
  - Phase a
    123
  - Phase B
    123
  - Phase C
    124
  - Phase D
    124
  - Phase E
    124
- Error Correction Mode
  124
- Signal Recognition Algorithm
  144
- Figure 8-20. HDLC Frame Structure
  145
- Figure 8-21. Phase C Format
  146
- Figure 8-22. ECM Frame Structure
  147
- Figure 8-23. ECM Message Protocol Example
  148
- Figure 8-24. PPS and PPR Frame Structure
  149
- Figure 8-25. FSK Signal Recognition Algorithm
  150
9 Operation Considerations

151
- Originating Modem Operating Procedure
  151
  - Originating Without CI Option (Default)
    151
  - Originating with CI Option
    151
- Answering Modem Operating Procedure
  151
- Table 9-1. V.8 Host Control Bits
  152
- Table 9-2. V.8 Status Bits
  152
- Table 9-3. Modulation Modes
  153
- Table 9-4. CM Frame
  153
- Table 9-5. CI Frame
  153
- And Automode
  154
- Table 9-6. JM Frame
  154
- Table 9-7. Callfunctionsallowed
  154
- Table 9-8. Automode Parameters
  154
- Handshake Monitoring
  155
10 V.8Bis

159
- V.8Bis TRANSMITTER
  159
- V.8Bis RECEIVER
  159
- Table 10-1. V.8 bis Codewords
  159
11 Adpcm Voice Compression and Decompression

161
- Adpcm Receiver (Rx-Coder)
  161
  - Mode Selection
    161
  - Operation
    161
- Adpcm Transmitter (Tx-Decoder)
  161
- Figure 11-1. ADPCM Rx-Coder
  162
- Figure 11-2. ADPCM Tx-Decoder
  162
- Table 11-1. ADPCM Voice Mode Selection
  162
- Figure 11-3. Rx-Coder Operation
  163
- Figure 11-4. Tx-Decoder Operation
  164
- Voice Agc
  165
  - Voice AGC Parameters
    165
  - Table 11-2. Voice AGC Parameters
    165
12 Simultaneous Audio/Voice and Data (Audiospan)

167
- ML144/V.61 (V.32Bis) AUDIOSPAN CONTROL
  167
  - Audiospan Control Registers
    167
  - ML144 Mode Selection
    168
  - Detecting Remote Off-Hook Status
    168
  - Generating Ring and Ringback
    168
  - ML144/V.61 Audiospan Rate Sequence
    169
  - Selecting Voice+Data Rates
    170
  - Maximum Voice+Data Rate
    170
  - Data-Only or Voice+Data Detection
    170
  - Speaker Attenuation/Gain Control
    171
  - Microphone Gain Control
    171
  - TELIN/TELOUT Gain Control
    172
  - Handset Echo Canceller
    172
- Host Interface Selection and Setup
  173
  - Typical Operation and Selection of User Interface
    173
13 Speakerphone Configuration

175
- Interface Memory Registers
  175
  - DTMF and Dual Tone Modes
    175
  - Table 13-1. DTMF Routing
    175
  - Table 13-2. Dual Tone Frequency Parameters
    175
- Voice Paths
  176
- Voice Agc
  183
- Speakerphone Converstation Record
  183
14 K56Flex SETUP and CODE CHANGES

185
- K56Flex SETUP
  185
- Retrains and Renegotiations
  189
- Changes to Ram Addresses
  190
- Table 14-3. ARA Values
  190
- Table 14-4. Speed Selection
  190
15 Rcv56Dpfl/Sp Downloading

191

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