User's Manual

MC46 Hardware Interface Description
DRAFT
MC46_HD_V02.8xb Page 4 of 98 21.08.2003
3.9.1 Features supported on first and second serial interface .......................49
3.10 Audio interfaces .................................................................................................51
3.10.1 Microphone circuit ................................................................................52
3.10.2 Speech processing...............................................................................53
3.10.3 DAI timing.............................................................................................53
3.11 SIM interface......................................................................................................55
3.11.1 Requirements for using the CCIN pin ...................................................56
3.11.2 Design considerations for SIM card holder ...........................................57
3.12 Control signals ...................................................................................................58
3.12.1 Inputs ...................................................................................................58
3.12.2 Outputs.................................................................................................59
3.12.2.1 Synchronization signal .........................................................59
3.12.2.2 Using the SYNC pin to control a status LED ........................60
3.12.2.3 Behavior of the /RING0 line (ASC0 interface only)...............61
4 Antenna interface......................................................................................................63
4.1 Antenna installation............................................................................................63
4.1.1 Antenna pad.........................................................................................65
4.1.1.1 Suitable cable types ..................................................................65
4.1.2 Hirose antenna connector ....................................................................66
5 Electrical, reliability and radio characteristics .......................................................70
5.1 Absolute maximum ratings.................................................................................70
5.2 Operating temperatures .....................................................................................70
5.3 Electrical specifications of the application interface............................................71
5.4 Power supply ratings..........................................................................................76
5.4.1 Current consumption during transmit burst...........................................77
5.5 Electrical characteristics of the voiceband part...................................................78
5.5.1 Setting audio parameters by AT commands.........................................78
5.5.2 Audio programming model ...................................................................79
5.5.3 Characteristics of audio modes ............................................................80
5.5.4 Voiceband receive path ........................................................................81
5.5.5 Voiceband transmit path.......................................................................82
5.6 Air interface........................................................................................................83
5.7 Electrostatic discharge.......................................................................................85
5.8 Reliability characteristics ....................................................................................86
6 Mechanics..................................................................................................................87
6.1 Mechanical dimensions of MC46........................................................................87
6.2 Mounting MC46 onto the application platform ....................................................90
6.3 Board-to-board connector ..................................................................................91
6.3.1 Mechanical dimensions of the Hirose DF12 connector .........................92
6.3.2 Adapter cabling ....................................................................................92
6.4 Heat sinks and thermally conductive tapes ........................................................93
6.4.1 Test conditions and results...................................................................93
7 Reference Approval ..................................................................................................95
7.1 Reference Equipment for Type Approval ...........................................................95
7.2 Compliance with FCC Rules and Regulations....................................................96
8 List of parts and accessories...................................................................................97