11.1. Main Block [CQ-C9901N]IC601 : C2CBKG000024PinNo.Port Description (I/O) (V)FM AM CD1 PANELOPENPANEL OPEN detection I 5.2 5.2 5.22 PANELCLOSEPANEL CLOSEdetectionI 0 0 03 FR WP Write-protection ofFRAMO 4.8 4.8 4.84 BATT BATT detection I 5.0 5.0 5.05 ACC ACC detection I 5.0 5.0 5.06 I2C DATA DSP data I/O I/O 4.9 4.9 4.97 I2C CLK DSP clock output O 4.6 4.6 4.68 FR HOLD Holding signal to FRAM O 4.8 4.8 4.89 Vss GND power supply I 0 0 010 NC(LMTRFR)No Connection - - - -11 NC(LMTR S LMONO)No Connection - - - -12 NC(LMTR SR CENT)No Connection - - - -13 DSP INIT OK DSP initializationnotifying of timer endinputI 0 0 014 NC(DE EMPHI2S1)No Connection - - - -15 CD RST CD deck reset output O 4.7 4.7 4.716 SUB SI Data transmission toSUB u-comSO 0.8 0.8 0.817 NC No Connection - - - -18 SUB SO Data reception fromSUB u-comSI 2.4 2.4 2.419 CH DATA Data reception from CDchangerSI 0 0 020 CH CLK Clock reception fromCD ChangerSCK 0 0 021 Vdd 5V Power input I 4.8 4.8 4.822 UP SI FLASH W SI S0 0.2 4.8 4.823 CD SI CD DATA transmission SO 0.3 0.3 0.324 CD SCLK CD clock transmission SCK 4.6 4.6 4.625 CONDENSORCapacitor terminal forpower supply- 3.1 3.1 3.126 CD SO CD DATA reception SI 0 0 1.427 CDC STB Changer stororb signalinputINT 5.2 5.2 5.228 CD IN DISC Holding detection O 5.0 5.0 5.029 DECK VCONTDECK power supplycontrol outputO 4.8 4.8 4.830 CD FS CD deck frame sinkoutputO 3.5 3.5 3.531 DSP RST Reset output to DSP O 4.6 4.6 4.632 Avdd Positive power supply ofD/A converterI 5.1 5.1 5.133 AVREF Reference voltage forD/A converterI 5.1 5.1 5.134 AVGND Standard GND for D/AconverterI 0 0 035 AVSS Grand potential for A/Dand D/A converterI 0 0 036 NC No Connection - - - -37 INIT A Initialization A A/D 0 0 5.038 INIT B Initialization B A/D 0 0 039 NC No Connection - - - -40 Vss GND, power supply I 0 0 041 CD MUTE CD deck mute detection I 0 0 5.042 CD SW1 CD deck DISCdetection switch 1I 5.1 5.1 0PinNo.Port Description (I/O) (V)FM AM CD43 CD SW2 CD deck DISCdetection switch 2I 0 0 5.044 NC No Connection - - - -45 NC No Connection - - - -46 NC No Connection - - - -47 MOD0 Operating mode input 0 I 5.1 5.1 5.148 MOD1 Operating mode input 1 I 5.1 5.1 049 MOD2 Operating mode input 2 I 0 0 050 H STANDBY External standby input I 4.9 4.9 4.951 DC DC CNT DC/DC control for 60W O 0 0 052 FP MOTOR1 Front switching control 1 O 4.7 4.7 4.753 FP MOTOR2 Front switching control 2 O 4.7 4.7 4.754 V CNT1 Coordinated control 1 ofdriving voltage of panelO 0 0 055 V CNT2(NC) No Connection - - - -56 NC No Connection - - - -57 EXT MUTE TEL/NAVI MUTE input I 5.1 5.1 5.158 AMP CONT External AMP control O 4.8 4.8 4.859 OEL VCNT OEL power supplycontrol terminalO 3.8 3.8 3.860 ANT CONT Motor antenna control O 4.8 4.8 061 DIM1 Dimmer control output 1 O 0 0 062 DIM2 Dimmer control output 2 O 0 0 063 CDC REMOUTRemote control codeoutput to ChangerO 4.8 4.8 4.864 CDC SENS CDC 1/2 detection I 5.2 5.2 5.265 CDC 1/2(NC) No Connection - - - -66 DCDCFRQ20VOutput the 70th DCDCFRQ and opposite.O 4.8 4.8 4.867 MAIN.W.U.REQMAIN.WAKE.UP.REQinputI 5.0 5.0 5.068 NC No Connection - - - -69 RDS CLK RDS Clock I 2.6 2.6 2.670 DCDC FRQ Frequency switch ofpower circuit DC/DCO 0 0 071 RDS DATA RDS Data I 2.6 0 072 MAIN CONT MAIN power supplycontrol outputO 4.8 4.8 4.873 INV CONT INV power supplycontrol outputO 4.8 4.8 4.874 AF MUTE Tr-MUTE control O/I 0 5.0 5.075 RESET Reset input I 4.9 4.9 4.976 NC No Connection - - - -77 NC No Connection - - - -78 NC Ground I 0 0 079 Vss Ground I 0 0 080 X1 Crystal input I 2.0 2.0 2.081 X2 Crystal output O 2.5 2.5 2.582 Vdd Positive power supply I 5.0 5.0 5.083 P00 Pull-doÇón specificationport for writingI 0 0 084 P01 Pull-up specificationport for writingI 5.1 5.1 5.185 HB AM Analog mode of hybridIC switch controlO 4.9 4.9 086 HB SLEEP SLEEP control of hybridICO 4.9 4.9 4.987 N.C(HBMUTE)No Connection - - - -88 ILL SENS External dimmer controlinputI 5.0 5.0 5.089 SUBM CNT 3.3V control for SUBmicrocomputerO 4.9 4.9 4.990 FR DO(MI) FRAM communicationdata entryI 0 0 091 FR DI(MO) FRAM communicationdata outputO 0 0 011 TERMINALS DESCRIPTION15CQ-C9901N / CQ-C9701N