Specifications

AC65/AC75 Hardware Interface Description
List of Figures
s
AC65_AC75_HD_v01.002 Page 7 of 117 2006-10-30
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Figures
Figure 1: AC65/AC75 system overview ..................................................................................................... 23
Figure 2: AC65/AC75 block diagram ......................................................................................................... 24
Figure 3: Power supply limits during transmit burst ................................................................................... 27
Figure 4: Position of the reference points BATT+ and GND...................................................................... 28
Figure 5: Power-on with operating voltage at BATT+ applied before activating IGT ................................. 30
Figure 6: Power-on with IGT held low before switching on operating voltage at BATT+........................... 31
Figure 7: Timing of IGT if used as ON/OFF switch.................................................................................... 32
Figure 8: Signal states during turn-off procedure....................................................................................... 36
Figure 9: Battery pack circuit diagram ....................................................................................................... 41
Figure 10: Power saving and paging ........................................................................................................... 46
Figure 11: Timing of CTSx signal (if CFUN= 7) ........................................................................................... 47
Figure 12: Timing of RTSx signal (if CFUN = 9) .......................................................................................... 47
Figure 13: RTC supply from capacitor ......................................................................................................... 49
Figure 14: RTC supply from rechargeable battery....................................................................................... 49
Figure 15: RTC supply from non-chargeable battery................................................................................... 49
Figure 16: Serial interface ASC0 ................................................................................................................. 51
Figure 17: Serial interface ASC1 ................................................................................................................. 52
Figure 18: USB circuit.................................................................................................................................. 53
Figure 19: I
2
C interface connected to VCC of application............................................................................ 54
Figure 20: I
2
C interface connected to VEXT line of AC65/AC75 ................................................................. 54
Figure 21: SPI interface ............................................................................................................................... 55
Figure 22: Characteristics of SPI modes ..................................................................................................... 56
Figure 23: Audio block diagram ................................................................................................................... 57
Figure 24: Single ended microphone input .................................................................................................. 59
Figure 25: Differential microphone input...................................................................................................... 60
Figure 26: Line input configuration with OpAmp.......................................................................................... 61
Figure 27: Differential loudspeaker configuration ........................................................................................ 62
Figure 28: Master PCM interface Application .............................................................................................. 63
Figure 29: Short Frame PCM timing ............................................................................................................ 64
Figure 30: Long Frame PCM timing............................................................................................................. 64
Figure 31: Slave PCM interface application................................................................................................. 65
Figure 32: Slave PCM Timing, Short Frame selected.................................................................................. 66
Figure 33: Slave PCM Timing, Long Frame selected .................................................................................. 66
Figure 34: SYNC signal during transmit burst.............................................................................................. 68
Figure 35: LED Circuit (Example) ................................................................................................................ 69
Figure 36: Incoming voice/fax/data call........................................................................................................ 70
Figure 37: URC transmission....................................................................................................................... 70
Figure 38: Resistor measurement used for antenna detection .................................................................... 72
Figure 39: Datasheet of Rosenberger SMP MIL-Std 348-A connector........................................................ 74
Figure 40: Pin assignment (component side of AC65/AC75) ...................................................................... 80
Figure 41: Audio programming model.......................................................................................................... 92
Figure 42: AC65/AC75– top view................................................................................................................. 99
Figure 43: Dimensions of AC65/AC75 (all dimensions in mm).................................................................. 100
Figure 44: Mating board-to-board connector 53748-0808 on application.................................................. 103
Figure 45: Molex board-to-board connector 52991-0808 on AC65/AC75 ................................................. 104
Figure 46: Mating board-to-board connector 53748-0808 on application.................................................. 105