Table Of Contents - Multitech SocketModem MT5600SMI-32 Developer's Manual

Chapter 1 - Product Description and Specifications................................................................................ 5
Introduction ................................................................................................................................................ 5
Product Description ................................................................................................................................... 5
Features..................................................................................................................................................... 6
Technical Specifications ............................................................................................................................ 7
Sources of Additional Information.............................................................................................................. 7
Chapter 2 - Mechanical Specifications ...................................................................................................... 8
Physical Dimensions ................................................................................................................................. 8
Serial Pin Configurations ........................................................................................................................... 9
Parallel Pin Configurations ...................................................................................................................... 11
Chapter 3 - Electrical Characteristics ...................................................................................................... 13
Handling Precautions .............................................................................................................................. 13
I/O Electrical Characteristics ................................................................................................................... 13
3.3V Serial SocketModem ................................................................................................................... 13
3.3V Parallel SocketModem................................................................................................................. 13
5V Serial SocketModem ...................................................................................................................... 14
5V Parallel SocketModem.................................................................................................................... 14
Operating Conditions............................................................................................................................... 14
Absolute Maximum Ratings..................................................................................................................... 14
Current and Power Requirements ........................................................................................................... 15
Parallel Host Bus Timing ......................................................................................................................... 16
Parallel Host Bus Timing Table ........................................................................................................... 16
Parallel Host Bus - Read...................................................................................................................... 17
Parallel Host Bus - Write...................................................................................................................... 17
Chapter 4 - SocketModem Parallel Interface - A Programmer's Description...................................... 18
SocketModem Parallel Interface.............................................................................................................. 18
Overview.................................................................................................................................................. 18
Register Signal Definitions ...................................................................................................................... 20
IER - Interrupt Enable Register (Addr = 1, DLAB = 0) ........................................................................ 20
FCR - FIFO Control Register (Addr = 2, Write Only) .......................................................................... 21
IIR - Interrupt Identifier Register (Addr = 2) ........................................................................................ 22
LCR - Line Control Register (Addr = 3)............................................................................................... 23
MCR - Modem Control Register (Addr = 4) ........................................................................................ 24
LSR - Line Status Register (Addr = 5) ................................................................................................ 25
MSR - Modem Status Register (Addr = 6) .......................................................................................... 26
RBX - RX Buffer (Receiver Buffer Register) (Addr = 0, DLAB = 0) .................................................... 26
THR - TX Buffer (Transmitter Holding Register) (Addr = 0, DLAB = 0) .............................................. 26
SCR - Scratch Register (Addr = 7)...................................................................................................... 27
Receiver FIFO Interrupt Operation .......................................................................................................... 28
Receiver Data Available Interrupt ........................................................................................................ 28
Receiver Character Timeout Interrupts................................................................................................ 28
Transmitter FIFO Interrupt Operation...................................................................................................... 28
Transmitter Empty Interrupt ................................................................................................................. 28
Chapter 5 - AT Commands, S-Registers, and Result Codes ................................................................. 29
Introduction .............................................................................................................................................. 29
Data Commands...................................................................................................................................... 30
Generic Modem Control Commands ................................................................................................... 30
DTE-Modem Interface Commands ...................................................................................................... 36
Call Control Commands....................................................................................................................... 41
Modulation Control Commands ........................................................................................................... 51
Error Control Commands ..................................................................................................................... 55
Data Compression Commands............................................................................................................ 60
V.8/V.8bis Commands ......................................................................................................................... 63
Diagnostic Commands......................................................................................................................... 65
Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer's Guide
Contents

Table of Contents

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