Table Of Contents - Siemens TC65 Terminal Hardware Interface Description

TC65 Terminal Hardware Interface Description
Confidential / Released
Contents
0 Document History ...................................................................................................... 7
1 Introduction ................................................................................................................ 8
1.1 Related Documents............................................................................................. 8
1.2 Terms and Abbreviations .................................................................................... 9
1.3 Regulatory and Type Approval Information ........................................................12
1.3.1 Directives and Standards......................................................................12
1.3.2 Safety Precautions ...............................................................................15
2 Key Features of the TC65 Terminal..........................................................................17
2.1 Technical Requirements for Using TC65 Terminal.............................................20
3 Interface Description ................................................................................................21
3.1 Overview ............................................................................................................21
3.2 Block Diagram....................................................................................................22
3.3 Operating Modes ...............................................................................................23
3.4 Terminal Circuit..................................................................................................24
3.5 Power Supply.....................................................................................................25
3.5.1 Switch on TC65 Terminal .....................................................................26
3.5.2 Reset TC65 Terminal ...........................................................................26
3.5.3 Switch off TC65 Terminal .....................................................................26
3.5.4 Disconnecting Power Supply ................................................................26
3.5.5 Signal States after Startup....................................................................27
3.6 RS-232 Interface................................................................................................28
3.7 Audio Interface...................................................................................................30
3.7.1 Supported Audio Modes .......................................................................31
3.7.2 Speech Processing...............................................................................32
3.8 Antenna Interface...............................................................................................33
3.9 SIM Interface......................................................................................................33
3.10 IO Interface ........................................................................................................35
3.10.1 GPIOs ..................................................................................................37
3.10.2 Using GPIO Pin10 as Pulse Counter ....................................................38
3.10.3 I²C Interface .........................................................................................38
3.10.4 SPI Interface ........................................................................................39
3.10.5 Analog-to Digital Converter (ADC)........................................................41
3.10.6 RTC Backup Supply .............................................................................42
3.10.7 Power Supply .......................................................................................42
3.10.8 VDD Supply..........................................................................................42
3.10.9 ON/OFF Switch ....................................................................................42
3.11 Status LED.........................................................................................................43
4 Mechanical Characteristics ......................................................................................44
4.1 IO Interface Connector.......................................................................................46
4.1.1 Recommended Mating Connector ........................................................47
5 Electrical and Environmental Characteristics.........................................................48
5.1 Characteristics of the Power Supply...................................................................51
5.2 Characteristics of On/Off control ........................................................................52
5.3 Characteristics of the RS-232 interface..............................................................53
5.4 Characteristics of the SIM Interface for Use with 3V Cards................................53
5.5 Characteristics of the SIM interface for Use with 1.8V Cards .............................54
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2007-02-19