Specifications

CINTERION
®
BGS12 Hardware Interface Description
Contents
4 of 109 Page
BGS12 HID_V00.
915
Confidential / Released
2019
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01
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07
3.7 SIM/USIM Interface ............................................................................................ 40
3.7.1 Single SIM/USIM Card Application ..................................................................... 40
3.7.2 Dual SIM/USIM Card Application ........................................................................ 42
3.8 Serial Interface ASC0 ......................................................................................... 42
3.9 Serial Interface ASC1 ......................................................................................... 46
3.10 Serial Interface ASC2 ......................................................................................... 47
3.11 Analog Audio Interface ........................................................................................ 49
3.11.1 Microphone Inputs and Supply ................................................................ 49
3.11.2 Loudspeaker Output ............................................................................... 50
3.12 I
2
S Interface ........................................................................................................ 52
3.13 GPIO Interface .................................................................................................... 52
3.14 I
2
C Interface ....................................................................................................... 54
3.14.1 I2C Interface on DSB75 ......................................................................... 55
3.15 Jamming Indicator .............................................................................................. 58
3.16 Status LED ......................................................................................................... 58
3.17 Behavior of the RING0 Line (ASC0 Interface only) .............................................. 58
3.18 Power Indication Circuit ...................................................................................... 59
3.19 Fast Shutdown .................................................................................................... 61
4 Antenna Interface ........................................................................................................ 62
4.1 Antenna Installation ............................................................................................ 62
4.2 RF Line Routing Design ...................................................................................... 63
4.2.1 Line Arrangement Examples ............................................................................... 63
4.2.1.1
Embedded Stripline ................................................................................ 63
4.2.1.2
Micro-Stripline ........................................................................................ 64
4.2.2 Routing Example ................................................................................................ 68
4.2.2.1
Interface to RF Connector ...................................................................... 68
5 Electrical Reliability and Radio Characteristics ........................................................ 69
5.1 Absolute Maximum Ratings ................................................................................ 69
5.2 Operating Temperatures ..................................................................................... 69
5.3 Reliability Characteristics .................................................................................... 70
5.4 Pad Assignment and Signal Description .............................................................. 71
5.5 Power Supply Ratings ......................................................................................... 79
5.6 Electrical Characteristics of the Voiceband Part................................................... 81
5.6.1 Setting Audio Parameters by AT Commands ....................................................... 81
5.6.2 Audio Programming Model .................................................................................. 82
5.6.3 Characteristics of Audio Modes ........................................................................... 83
5.6.4 Voiceband Receive Path .................................................................................... 84
5.6.5 Voiceband Transmit Path.................................................................................... 85
5.7 Antenna Interface Specification .......................................................................... 86
5.8 Electrostatic Discharge ....................................................................................... 87
6 Mechanics, Mounting and Packaging ........................................................................ 88
6.1 Mechanical Dimensions of BGS12 ...................................................................... 88
6.2 Mounting BGS12 onto the Application Platform ................................................... 90