User's Manual

AC65/AC75 Hardware Interface Description
Confidential / Preliminary
s
AC65/AC75_hd_v00.372 Page 6 of 118 2006-08-03
Figures
Figure 1: AC65/AC75 system overview.................................................................................. 21
Figure 2: AC65/AC75 block diagram...................................................................................... 22
Figure 3: Power supply limits during transmit burst................................................................ 27
Figure 4: Position of the reference points BATT+ and GND .................................................. 27
Figure 5: Power-on with operating voltage at BATT+ applied before activating IGT.............. 29
Figure 6: Power-on with IGT held low before switching on operating voltage at BATT+ .......30
Figure 7: Timing of IGT if used as ON/OFF switch ................................................................ 31
Figure 8: Signal states during turn-off procedure ...................................................................37
Figure 9: Battery pack circuit diagram....................................................................................44
Figure 10: Power saving and paging...................................................................................... 49
Figure 11: Timing of CTSx signal (if CFUN= 7)......................................................................50
Figure 12: Timing of RTSx signal (if CFUN = 9).....................................................................50
Figure 13: RTC supply from capacitor.................................................................................... 52
Figure 14: RTC supply from rechargeable battery .................................................................52
Figure 15: RTC supply from non-chargeable battery .............................................................52
Figure 16: Serial interface ASC0............................................................................................ 55
Figure 17: Serial interface ASC1............................................................................................ 57
Figure 18: USB circuit ............................................................................................................58
Figure 19: I2C interface connected to VCC of application .....................................................59
Figure 20: I2C interface connected to VEXT line of AC65/AC75 ........................................... 60
Figure 21: SPI interface..........................................................................................................61
Figure 22: Characteristics of SPI modes................................................................................ 62
Figure 23: Audio block diagram.............................................................................................. 63
Figure 24: Single ended microphone input............................................................................. 65
Figure 25: Differential microphone input ................................................................................66
Figure 26: Line input configuration with OpAmp .................................................................... 67
Figure 27: Differential loudspeaker configuration...................................................................68
Figure 28: Master PCM interface Application......................................................................... 70
Figure 29: Master PCM timing, short frame selected .............................................................71
Figure 30: Master PCM timing, long frame selected ..............................................................71
Figure 31: Slave PCM interface application ........................................................................... 72
Figure 32: Slave PCM timing, short frame selected ...............................................................73
Figure 33: Slave PCM timing, long frame selected ................................................................73
Figure 34: SYNC signal during transmit burst ........................................................................ 75
Figure 35: LED Circuit (Example)...........................................................................................76
Figure 36: Incoming voice/fax/data call .................................................................................. 77
Figure 37: URC transmission ................................................................................................. 77
Figure 38: Resistor measurement used for antenna detection .............................................. 79
Figure 39: Datasheet of Rosenberger SMP MIL-Std 348-A connector ..................................81
Figure 40: Pin assignment (component side of AC65/AC75)................................................. 86
Figure 41: Audio programming model .................................................................................... 97
Figure 42: AC65/AC75 – top view ........................................................................................ 103
Figure 43: Dimensions of AC65/AC75 ................................................................................. 104
Figure 44: Molex board-to-board connector 52991-0808 on AC65/AC75............................ 107
Figure 45: Mating board-to-board connector 53748-0808 on application ............................108
Figure 46: AC65/AC75 sample application for Java............................................................. 110
Figure 47: Reference equipment for Type Approval ............................................................ 111