Справочник ПользователяСодержаниеChapter 1 – Product Description and Specification5Introduction5Product Description5Features6Technical Specifications7Sources of Additional Information7Chapter 2 – Mechanical Specifications8Physical Dimensions8Serial Pin Configurations9Parallel Pin Configurations11Chapter 3 – Electrical Characteristics13Handling Precautions13I/O Electrical Characteristics133.3V Serial SocketModem133.3V Parallel SocketModem135V Serial SocketModem145V Parallel SocketModem14Operating Conditions14Absolute Maximum Ratings14Current and Power Requirements15Parallel Host Bus Timing16Parallel Host Bus Timing Table16Parallel Host Bus - Read17Parallel Host Bus - Write17Chapter 4 – SocketModem Parallel Interface – A Pr18SocketModem Parallel Interface18Overview18Register Signal Definitions20IER – Interrupt Enable Register \(Addr = 1, DLAB20FCR – FIFO Control Register \(Addr = 2, Write On21IIR – Interrupt Identifier Register \(Addr = 2\22LCR – Line Control Register \(Addr = 3\)23MCR – Modem Control Register \(Addr = 4\)24LSR – Line Status Register \(Addr = 5\)25MSR – Modem Status Register \(Addr = 6\)26RBX – RX Buffer \(Receiver Buffer Register\) \26THR – TX Buffer \(Transmitter Holding Register\26SCR – Scratch Register \(Addr = 7\)27Receiver FIFO Interrupt Operation28Receiver Data Available Interrupt28Receiver Character Timeout Interrupts28Transmitter FIFO Interrupt Operation28Transmitter Empty Interrupt28Chapter 5 – AT Commands, S-Registers, and Result29Introduction29Data Commands30Generic Modem Control Commands30DTE-Modem Interface Commands36Call Control Commands41Modulation Control Commands51Error Control Commands55Data Compression Commands60V.8/V.8bis Commands63Diagnostic Commands65Compatibility Commands70FastConnect Commands71V.92 +P and –Q Commands71S-Registers75Result Codes83Chapter 6 – Fax Class 1 and Class 1.0 Commands86Fax I/O Processing86DTE-to-Modem Transmit Data Stream86Modem-to-DTE Receive Data Stream86Fax Mode Selection87Fax Origination87Fax Answering87Fax Control Transmission87Fax Control Reception88Fax Data Transmission89Fax Data Reception89Commands and Parameters90Mode Entry Commands90Mode Commands90Service Class 1 Commands94Examples98Chapter 7 – Voice Commands100Voice Commands Overview100<DLE> Shielded Event Codes Sent to the DTE101<DLE> Shielded Codes Sent to the Modem (DCE)102Voice Configuration Commands103Basic Voice Commands104Chapter 8 – Setting Country Codes114Appendix A – Mechanical Details115Test/Demo Board Components1155V / 3.3V Jumper – JP6116Serial Test/Demo Board Block Diagram116Parallel Test/Demo Board Block Diagram117Appendix B - Safety/EMC Approvals, Design Considerations, and Regulatory Compliance118Approvals – Product Safety and EMC118Telecom Certifications118Regulatory Design Considerations119Hardware Considerations119EMC120Other Design Considerations121PC Board Layout Guidelines121Electromagnetic Interference (EMI) Considerations122Safety1225V Tolerant Inputs for 3.3V Modules123Regulatory Compliance124Regulatory Requirements for the United States124Regulatory Requirements for Canada127New Zealand Telecom Warning Notice129South African Statement129International Modem Restrictions130EMC, Safety, and R&TTE Directive Compliance130Index131Размер: 1010,1 КБСтраницы: 134Язык: EnglishПросмотреть
