Cinterion BGS3, Hardware Interface Description

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BGS3 Hardware Interface Description
Figures
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BGS3_HD_v01.000d Page 7 of 109 2010-03-26
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Figures
Figure 1: BGS3 system overview .................................................................................. 20
Figure 2: BGS3 block diagram ...................................................................................... 21
Figure 3: Power supply limits during transmit burst....................................................... 24
Figure 4: Position of reference points BATT+and GND ................................................ 25
Figure 5: Powerup with operating voltage at BATT+ applied before activating IGT...... 27
Figure 6: Powerup with IGT held low before switching on operating voltage at BATT+ 28
Figure 7: Timing of IGT if used as ON/OFF switch ....................................................... 29
Figure 8: Signal states during turn-off procedure.......................................................... 33
Figure 9: Battery pack circuit diagram........................................................................... 39
Figure 10: Power saving and paging............................................................................... 44
Figure 11: Timing of CTSx signal (if CFUN= 7)............................................................... 45
Figure 12: Timing of RTSx signal (if CFUN = 9).............................................................. 45
Figure 13: Serial interface ASC0..................................................................................... 48
Figure 14: Serial interface ASC1..................................................................................... 50
Figure 15: Audio block diagram....................................................................................... 51
Figure 16: Single ended microphone input...................................................................... 53
Figure 17: Differential microphone input ......................................................................... 54
Figure 18: Line input configuration with OpAmp ............................................................. 55
Figure 19: Differential loudspeaker configuration............................................................ 56
Figure 20: Master PCM interface Application.................................................................. 58
Figure 21: Short Frame PCM timing................................................................................ 58
Figure 22: Long Frame PCM timing ................................................................................ 59
Figure 23: Slave PCM interface application .................................................................... 60
Figure 24: Slave PCM Timing, Short Frame selected ..................................................... 60
Figure 25: Slave PCM Timing, Long Frame selected...................................................... 60
Figure 26: SYNC signal during transmit burst ................................................................. 61
Figure 27: LED Circuit (Example).................................................................................... 62
Figure 28: Incoming voice/fax/data call........................................................................... 63
Figure 29: URC transmission .......................................................................................... 63
Figure 30: Antenna pads ................................................................................................. 64
Figure 31: 4 layer PCB stack for BGS3 interface board.................................................. 65
Figure 32: RF line on interface board. All dimensions are given in mm .......................... 67
Figure 33: Numbering plan for connecting pads (bottom view)....................................... 72
Figure 34: Audio programming model............................................................................. 84
Figure 35: BGS3– top view ............................................................................................. 91
Figure 36: Dimensions of BGS3 (all dimensions in mm)................................................. 92
Figure 37: Land pattern (bottom view) ............................................................................ 93
Figure 38: Recommended stencil design (bottom view) ................................................. 94
Figure 39: Reflow Profile................................................................................................. 95
Figure 40: Carrier tape .................................................................................................... 98
Figure 41: Reel direction ................................................................................................. 98
Figure 42: Barcode label on tape reel ............................................................................. 99
Figure 43: Moisture barrier bag (MBB) with imprint....................................................... 100
Figure 44: Moisture Sensitivity Label ............................................................................ 101
Figure 45: Humidity Indicator Card - HIC ...................................................................... 102
Figure 46: BGS3 sample application............................................................................. 104
Figure 47: Reference equipment for Type Approval ..................................................... 105