Block diagram

FCC ID: IYZ3309

Block Diagram

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FCCID_396113

                                                                                           Annex No.6
                                                                                           Page 1 of 1

Block Diagram : Keyless Go FBS C6 KSG Typ 3309


                            Blockschaltbild, 14.01.2003


            LF-Antenne 4



            LF-Antenne 3



            LF-Antenne 2



            LF-Antenne 1




                             +



                                                         25kHz
                                     Enable
                                                       Rechteck /                                        Asynchroner,
                              +                          PWM                                             serieller
                                     LF-Antenne
                                                                                     Businterface        Eindrahtbus




                              +                                       MCU             Wake up            U BAT
                                                                      78K0022AY        Power
                                                                                       Reset             GND
                                                                                      Watchdog


                              +

                                                                                                         4 x Open drain
                                                                                                          Eingänge
                                                                                       Sensor
                                                                                     Ansteuerung         (Kapa-
                                                                                                         Sensoren)
                                         LF-Antennen
                                         Messung,
                                         Diagnose


                                                                                     Eeprom
                                        Modulation                  XTAL2    XTAL1
                                   LF-Antenne 1

                                   LF-Antenne 2                       Keramik-
                                                                      resonator
                                   LF-Antenne 3
                                   LF-Antenne 4




Oscillator frequencies
generated or used
in the device:             µC: 8.0MHz



Document Created: 2004-01-23 15:12:34
Document Modified: 2004-01-23 15:12:34

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