Document Outline

• 1. Introduction
  • 1.1. Selection Guide
• 2. Modem (System-Side) Device
  • 2.1. Resetting the Device
    • 2.1.1. Reset Sequence
    • 2.1.2. Reset Strapping: General Considerations
    • 2.1.3. Reset-Strap Options for 16-Pin SOIC Package
    • 2.1.4. Reset-Strap Options for 24-Pin TSSOP Package
    • 2.1.5. Reset Strapping Options for QFN Parts
  • 2.2. System Interface
    • 2.2.1. Interface Selection
    • 2.2.2. Interface Signal Description
    • 2.2.3. UART Interface Operation
    • 2.2.4. Parallel and SPI Interface Operation
  • 2.3. Isolation Capacitor Interface
  • 2.4. Low-Power Modes
    • 2.4.1. Power-Down Mode
    • 2.4.2. Wake-on-Ring Mode
    • 2.4.3. Sleep Mode
  • 2.5. SSI/Voice Mode (24-Pin TSSOP and 38-Pin QFN Only)
  • 2.6. EEPROM Interface (24-Pin TSSOP and 38-Pin QFN Only)
    • 2.6.1. Supported EEPROM Types
    • 2.6.2. Three-Wire SPI Interface to EEPROM
    • 2.6.3. Detailed EEPROM Examples
    • 2.6.4. Boot Commands (Custom Defaults)
    • 2.6.5. AT Command Macros (Customized AT Commands)
    • 2.6.6. Firmware Upgrades
• 3. DAA (Line-Side) Device
  • 3.1. Hookswitch and DC Termination
  • 3.2. AC Termination
  • 3.3. Ringer Impedance and Threshold
  • 3.4. Pulse Dialing and Spark Quenching
  • 3.5. Line Voltage and Loop Current Sensing
  • 3.6. Legacy-Mode Line Voltage and Loop Current Measurement
  • 3.7. Billing Tone Detection
• 4. Hardware Design Reference
  • 4.1. Component Functions
    • 4.1.1. Power Supply and Bias Circuitry
    • 4.1.2. Hookswitch and DC Termination
    • 4.1.3. Clocks
    • 4.1.4. Ringer Network
    • 4.1.5. Optional Billing-Tone Filter
  • 4.2. Schematic
  • 4.3. Bill of Materials
  • 4.4. Layout Guidelines
    • 4.4.1. ISOmodem Layout Check List
    • 4.4.2. Module Design and Application Considerations
  • 4.5. Analog Output
    • 4.5.1. Interaction between the AOUT Circuit and the Required Modem Reset Time
    • 4.5.2. Audio Quality
• 5. Modem Reference Guide
  • 5.1. Controller
  • 5.2. DSP
  • 5.3. Memory
  • 5.4. AT Command Set
  • 5.5. Extended AT Commands
  • 5.6. S Registers
  • 5.7. U Registers
    • 5.7.1. U-Register Summary
    • 5.7.2. U00–U16 (Dial Tone Detect Filter Registers)
    • 5.7.3. U17–U30 (Busy Tone Detect Filter Registers)
    • 5.7.4. U31–U33 (Ringback Cadence Registers)
    • 5.7.5. U34–U35 (Dial Tone Timing Register)
    • 5.7.6. U37–U45 (Pulse Dial Registers)
    • 5.7.7. U46–U48 (DTMF Dial Registers)
    • 5.7.8. U49–U4C (Ring Detect Registers)
    • 5.7.9. U4D (Modem Control Register 1—MOD1)
    • 5.7.10. U4E (Pre-Dial Delay Time Register)
    • 5.7.11. U4F (Flash Hook Time Register)
    • 5.7.12. U50–U51 (Loop Current Debouncing Registers)
    • 5.7.13. U52 (Transmit Level Register)
    • 5.7.14. U53 (Modem Control Register 2)
    • 5.7.15. U54 (Calibration Timing Register)
    • 5.7.16. U62–U66 (DAA Control Registers)
    • 5.7.17. U67–U6A (International Configuration Registers)
    • 5.7.18. U6C (Line-Voltage Status Register)
    • 5.7.19. U6E–U7D (Modem Control and Interface Registers)
    • 5.7.20. U80 (Transmit Delay for V.22 Fast Connect)
    • 5.7.21. U87 (Synchronous Access Mode Configuration Register)
    • 5.7.22. UAA (V.29 Mode Register)
    • 5.7.23. UIDA Response and Answer Tone Delay Register
  • 5.8. Firmware Upgrades
    • 5.8.1. Method 1 (Fastest)
    • 5.8.2. Method 2
    • 5.8.3. Method 3
  • 5.9. Escape Methods
    • 5.9.1. +++ Escape
    • 5.9.2. “9th Bit” Escape
    • 5.9.3. “Escape Pin” Escape
  • 5.10. Data Compression
  • 5.11. Error Correction
  • 5.12. Wire Mode
  • 5.13. EPOS (Electronic Point of Sale) Applications
    • 5.13.1. EPOS Fast Connect
    • 5.13.2. EPOS V.29 Fast Connect
  • 5.14. Legacy Synchronous DCE Mode/V.80 Synchronous Access Mode
  • 5.15. V.80 Mode
• 6. Programming Examples
  • 6.1. Quick Reference
  • 6.2. Country-Dependent Setup
    • 6.2.1. DC Termination
    • 6.2.2. Country Configuration
    • 6.2.3. Blacklisting
  • 6.3. Caller ID
    • 6.3.1. Force Caller ID Monitor (Always On)
    • 6.3.2. Caller ID After Ring Only
    • 6.3.3. UK Caller ID with Wetting Pulse
    • 6.3.4. Japan Caller ID
    • 6.3.5. DTMF Caller ID
  • 6.4. SMS Support
  • 6.5. Type II Caller ID/SAS Detection
  • 6.6. Intrusion/Parallel Phone Detection
    • 6.6.1. On-Hook Condition
    • 6.6.2. Off-Hook Condition
  • 6.7. Modem-On-Hold
    • 6.7.1. Initiating Modem-On-Hold
    • 6.7.2. Receiving Modem-On-Hold Requests
  • 6.8. HDLC: Bit Errors on a Noisy Line
  • 6.9. Overcurrent Detection
  • 6.10. Pulse/Tone Dial Decision
    • 6.10.1. Method 1: Multiple Off-Hook Transitions
    • 6.10.2. Method 2: Single Off-Hook Transition
    • 6.10.3. Method 3: Adaptive Dialing
    • 6.10.4. Automatic Phone-Line Configuration Detection
    • 6.10.5. Line Type Determination
  • 6.11. Telephone Voting Mode
  • 6.12. V.92 Quick Connect
• 7. Handset, TAM, and Speakerphone Operation
  • 7.1. Software Reference
    • 7.1.1. AT Command Set
    • 7.1.2. AT+ Extended Commands
    • 7.1.3. <DLE> Commands (DTE-to-DCE)
    • 7.1.4. <DLE> Events (DCE-to-DTE)
    • 7.1.5. U Registers
  • 7.2. Voice Reference—Overview
  • 7.3. Si3000 Configuration
    • 7.3.1. Microphone and Speaker Ports
    • 7.3.2. Register Settings
    • 7.3.3. System Voice Modes
  • 7.4. Initialization
  • 7.5. Handset
    • 7.5.1. Overview
    • 7.5.2. Handset Configuration
    • 7.5.3. Call – Automatic Tone Dial
    • 7.5.4. Call – Manual Off-Hook Tone Dial
    • 7.5.5. Call – Automatic Pulse Dial
    • 7.5.6. Answer
    • 7.5.7. Terminate
    • 7.5.8. Speakerphone Transition
  • 7.6. Telephone Answering Machine
    • 7.6.1. Overview
    • 7.6.2. TAM Hands-Free—Idle
    • 7.6.3. TAM Handset
    • 7.6.4. TAM PSTN
  • 7.7. Speakerphone
    • 7.7.1. Overview
    • 7.7.2. Simplex Speakerphone
    • 7.7.3. External Microphone/Speaker Calibration
    • 7.7.4. Speakerphone Configuration
    • 7.7.5. Simplex Speakerphone Configuration
    • 7.7.6. Call—Automatic Tone Dial
    • 7.7.7. Call—Manual Off-Hook Tone Dial
    • 7.7.8. Call—Automatic Pulse Dial
    • 7.7.9. Answer
    • 7.7.10. Handset Transition
    • 7.7.11. Termination
  • 7.8. Glossary
  • 7.9. References
• 8. Security Protocols
  • 8.1. Implementing the SIA Protocol
    • 8.1.1. Modem-Specific Implementation Details
  • 8.2. Implementing the Ademco® Contact ID Protocol
    • 8.2.1. Modem Specific Implementation Details
• 9. Chinese ePOS SMS
  • 9.1. Introduction
  • 9.2. SMS AT Command Set
    • 9.2.1. SMS User Registers
    • 9.2.2. Procedure
  • 9.3. Example Session
• 10. Testing and Diagnostics
  • 10.1. Prototype Bring-Up (Si3018/10)
    • 10.1.1. Introduction
    • 10.1.2. Visual Inspection
    • 10.1.3. Basic Troubleshooting Steps
    • 10.1.4. Host Interface Troubleshooting
    • 10.1.5. Isolation Capacitor Troubleshooting
    • 10.1.6. Si3018/10 Troubleshooting
    • 10.1.7. Component Troubleshooting
  • 10.2. Self Test
  • 10.3. Board Test
  • 10.4. Compliance Testing
    • 10.4.1. EMI
    • 10.4.2. Safety
    • 10.4.3. Surges
  • 10.5. AM-Band Interference
  • 10.6. Debugging the DTE interface
• Appendix A—EPOS Applications
• Appendix B—Line Audio Recording
• Appendix C—Parallel/SPI Interface Software Implementation
• Document Change List
• Contact Information