Cinterion EGS3, Описание аппаратного интерфейса

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EGS3 Hardware Interface Description
Figures
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EGS3_HD_v01.000a Page 7 of 117 2009-08-12
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Figures
Figure 1: EGS3 system overview .................................................................................. 21
Figure 2: EGS3 block diagram ...................................................................................... 22
Figure 3: Power supply limits during transmit burst....................................................... 25
Figure 4: Position of reference points BATT+and GND ................................................ 26
Figure 5: Powerup with operating voltage at BATT+ applied before activating IGT...... 28
Figure 6: Powerup with IGT held low before switching on operating voltage at BATT+ 29
Figure 7: Timing of IGT if used as ON/OFF switch ....................................................... 30
Figure 8: Signal states during turn-off procedure.......................................................... 35
Figure 9: Battery pack circuit diagram........................................................................... 42
Figure 10: Power saving and paging............................................................................... 47
Figure 11: Timing of CTSx signal (if CFUN= 7)............................................................... 48
Figure 12: Timing of RTSx signal (if CFUN = 9).............................................................. 48
Figure 13: Serial interface ASC0..................................................................................... 51
Figure 14: Serial interface ASC1..................................................................................... 53
Figure 15: USB circuit ..................................................................................................... 54
Figure 16: I
2
C interface connected to VCC of application ............................................... 55
Figure 17: I
2
C interface connected to VEXT line of EGS3 .............................................. 55
Figure 18: SPI interface................................................................................................... 56
Figure 19: Characteristics of SPI modes......................................................................... 57
Figure 20: Audio block diagram....................................................................................... 58
Figure 21: Single ended microphone input...................................................................... 60
Figure 22: Differential microphone input ......................................................................... 61
Figure 23: Line input configuration with OpAmp ............................................................. 62
Figure 24: Differential loudspeaker configuration............................................................ 63
Figure 25: Master PCM interface Application.................................................................. 65
Figure 26: Short Frame PCM timing................................................................................ 65
Figure 27: Long Frame PCM timing ................................................................................ 66
Figure 28: Slave PCM interface application .................................................................... 67
Figure 29: Slave PCM Timing, Short Frame selected ..................................................... 67
Figure 30: Slave PCM Timing, Long Frame selected...................................................... 67
Figure 31: SYNC signal during transmit burst ................................................................. 68
Figure 32: LED Circuit (Example).................................................................................... 69
Figure 33: Incoming voice/fax/data call........................................................................... 70
Figure 34: URC transmission .......................................................................................... 70
Figure 35: Antenna pads ................................................................................................. 71
Figure 36: 4 layer PCB stack for EGS3 interface board.................................................. 72
Figure 37: RF line on interface board. All dimensions are given in mm .......................... 74
Figure 38: Numbering plan for connecting pads (bottom view)....................................... 79
Figure 39: Audio programming model............................................................................. 92
Figure 40: EGS3– top view ............................................................................................. 99
Figure 41: Dimensions of EGS3 (all dimensions in mm)............................................... 100
Figure 42: Land pattern (bottom view) .......................................................................... 101
Figure 43: Recommended stencil design (bottom view) ............................................... 102
Figure 44: Reflow Profile............................................................................................... 103
Figure 45: Carrier tape .................................................................................................. 106
Figure 46: Reel direction ............................................................................................... 106
Figure 47: Barcode label on tape reel ........................................................................... 107
Figure 48: Moisture barrier bag (MBB) with imprint....................................................... 108
Figure 49: Moisture Sensitivity Label ............................................................................ 109
Figure 50: Humidity Indicator Card - HIC ...................................................................... 110