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HC15 Hardware Interface Description
Contents
s
HC15_HD_v01.000 Page 3 of 67 2007-1-19
Confidential / Released
Contents
0 Document History.................................................................................................................................... 7
1 Introduction.............................................................................................................................................. 8
1.1 Related Documents......................................................................................................................... 8
1.2 Terms and Abbreviations ................................................................................................................ 8
1.3 Regulatory and Type Approval Information................................................................................... 11
1.3.1 Directives and Standards............................................................................................... 11
1.3.2 SAR requirements specific to portable mobiles ............................................................. 12
1.3.3 SELV Requirements ...................................................................................................... 12
1.3.4 Safety Precautions.........................................................................................................13
2 Product Concept.................................................................................................................................... 14
2.1 Key Features at a Glance.............................................................................................................. 14
2.2 HC15 System Overview ................................................................................................................ 17
2.3 Circuit Concept.............................................................................................................................. 18
3 Application Interface ............................................................................................................................. 19
3.1 Operating Modes........................................................................................................................... 20
3.2 Power Supply ................................................................................................................................ 21
3.2.1 Minimizing Power Losses .............................................................................................. 21
3.2.2 Measuring the Supply Voltage (V
BATT+
) ........................................................................ 22
3.3 Power-Up / Power-Down Scenarios..............................................................................................23
3.3.1 Turn On HC15 ...............................................................................................................23
3.3.2 Turn Off HC15 Using AT Command .............................................................................. 24
3.3.3 Configuring the IGT Line for Use as ON/OFF Switch .................................................... 25
3.3.4 Automatic Shutdown...................................................................................................... 25
3.3.5 Turn Off HC15 in Case of Emergency........................................................................... 26
3.4 Power Saving ................................................................................................................................ 27
3.5 USB Interface................................................................................................................................ 27
3.6 UICC/SIM Interface ....................................................................................................................... 28
3.7 Analog Audio Interface.................................................................................................................. 30
3.8 PWR_IND Signal........................................................................................................................... 31
3.8.1 Network Connectivity Status Signals ............................................................................. 31
4 Antenna Interface .................................................................................................................................. 32
4.1 Antenna Installation....................................................................................................................... 32
4.2 Antenna Pad.................................................................................................................................. 33
4.3 Antenna Connector ....................................................................................................................... 33
5 Electrical, Reliability and Radio Characteristics ................................................................................ 38
5.1 Absolute Maximum Ratings........................................................................................................... 38
5.2 Operating Temperatures ............................................................................................................... 39
5.3 Storage Conditions........................................................................................................................ 40
5.4 Reliability Characteristics .............................................................................................................. 41
5.5 Pin Assignment and Signal Description ........................................................................................42
5.6 Power Supply Ratings................................................................................................................... 47
5.7 Electrical Characteristics of the Voiceband Part ........................................................................... 49
5.7.1 Characteristics of Audio Modes ..................................................................................... 49
5.8 Air Interface................................................................................................................................... 50
- Siemens Cellular Engine 1
- Contents 3
- 0 Document History 7
- 1 Introduction 8
- Table 1: Directives 11
- 1.3.3 SELV Requirements 12
- 1.3.4 Safety Precautions 13
- 2 Product Concept 14
- 2.2 HC15 System Overview 17
- system overview 17
- 2.3 Circuit Concept 18
- 3 Application Interface 19
- 3.1 Operating Modes 20
- 3.2 Power Supply 21
- 3.2.1 Minimizing Power Losses 21
- 3.3.1 Turn On HC15 23
- 3.3.4 Automatic Shutdown 25
- 3.4 Power Saving 27
- 3.5 USB Interface 27
- 3.6 UICC/SIM Interface 28
- 3.7 Analog Audio Interface 30
- 3.8 PWR_IND Signal 31
- 4 Antenna Interface 32
- 4.2 Antenna Pad 33
- 4.3 Antenna Connector 33
- 5.1 Absolute Maximum Ratings 38
- 5.2 Operating Temperatures 39
- 5.3 Storage Conditions 40
- Table 16: Signal description 43
- ≈ 2A, during Tx burst (GSM) 43
- ~~~~~~~~~~~~~ 44
- 5.6 Power Supply Ratings 47
- With an impedance of Z 48
- 16mV 582mV 49
- 5.8 Air Interface 50
- 5.9 Electrostatic Discharge 51
- 6 Mechanics 52
- Confidential / Released 53
- 7 Sample Application 57
- 8 Reference Approval 59
- 9 Appendix 60
- 9.3 Mounting Advice Sheet 66
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