TC65 Terminal Hardware Interface Description
Confidential / Released
s
TC65 Terminal_HD_V02.000b
Page 3 of 65
2007-02-19
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
