pin 55: AUX ON_ pin 56: TEST pin 57: LCD ON_ pin 58: NU pin 59: BEEP pin 60: NU pin 61: NU pin 62: CD RESET_ pin 63: NU pin 64: AF MUTE_ pin 65: NU pin 66: FM ON_ pin 67: AM ON_ pin 68: CD ON pin 69: NU pin 70: NU pin 71: NU pin 72: RF MUTE pin 73: DX_/LO pin 74: SYS ON pin 75: AMP ON pin 76: CONBI ON pin 77: NU pin 78: ACC IN_ pin 79: RADIO ON pin 80: NU pin 81: SBSY pin 82: GND 1
: IN : AUX ON signal input. : IN : Test enable signal input. : O : LCD back light ON signal output. : - : Not in use. : O : Beep out. : - : Not in use. : - : Not in use. : O : Reset signal output to the CD mechanism controller. : - : Not in use. : O : Audio signal mute pulse output. : - : Not in use. : O : FM ON flag output. : O : AM ON flag output. : O : CD ON flag output. : - : Not in use. : - : Not in use. : - : Not in use. : O : RF mute signal output. : O : DX = "L" , Local = "H". : O : System-ON signal output. : O : Audio power amplifier ON signal output. : O : CONBI ON pulse output. : - : Not in use. : IN : ACC ON signal input : O : Radio ON flag output. : - : Not in use. : IN : CD IC Sub Q data request signal input. : - : Ground.
052-1173-02 is the performance improvement IC of 052-1173-01. 052-1173-02 is compatible to 052-1173-01 and 052-1173-00. Terminal Description pin 1: EJECT SW_ pin pin pin pin pin pin pin pin 2: NU 3: NU 4: VOL DATA 5: VOL CLOCK 6: VOL CE 7: NU 8: LCD DI_ 9: LCD DO : IN : The eject key signal input. : - : Not in use. : - : Not in use. : O : Serial data output to the electric volume IC. : O : Serial data clock output to the electric volume IC. : O : Chip enable signal output to the volume IC. : - : Not in use. : IN : Serial data input from the LCD driver. : O : Serial data output to the LCD driver. : O : Serial data clock output to LCD driver. : O : Chip enable signal output to the LCD driver. pin 12: NU pin 14: VOL 1 pin 15: VOL 2 pin 16: ILL_ pin 17: NU pin 18: NU pin 19: NU pin 20: NU pin 21: NU pin 22: NU pin 23: NU pin 24: NU pin 25: NU pin 26: NU pin 27: A VDD pin 28: NU pin 29: NU pin 30: NU pin 31: NU pin 32: A VSS pin 33: REG CPU pin 34: VDD 0 pin 35: REG OSC pin 36: X 2 pin 37: X 1 pin 38: GND 0 pin 39: NU pin 40: GND 2 pin 41: AM IF pin 42: FM IF pin 43: VDD PLL pin 44: FM OSC pin 45: AM OSC pin 46: GND PLL pin 47: Voltage Tune pin 48: NU pin 49: IC pin 50: RESET_ pin 51: SP INIT pin 52: NU pin 53: ST_/TWEET_ pin 54: CLK INT : - : Not in use. : IN : Volume control pulse input from the rotary switch. : IN : Volume control pulse input from the rotary switch. : IN : Illumination ON signal input. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Positive supply voltage for the Analog section. : - : Not in use. : - : Not in use. : - : Not in use. : - : Not in use. : - : Analog ground. : IN : Capacitor connection terminal to suppress the ripple. : - : Positive supply voltage. : IN : Capacitor connection terminal to suppress the ripple. : - : Crystal connection. : - : Crystal connection. : - : Ground. : - : Not in use. : - : Ground. : IN : Input terminal of the internal universal counter for AM IF. : IN : Input terminal of the internal universal counter for FM IF. : - : Positive supply voltage for the PLL. : IN : Input terminal of the internal counter for FM OSC( Local Oscillation ). : IN : Input terminal of the internal counter for AM OSC( Local Oscillation ). : - : Ground for the PLL. : O : PLL error output. : - : Not in use. : IN : Not in use. : IN : Reset signal input. : IN : 4SP = "L" , 2SP = "H". : - : Not in use. :I/O: Outputs "L" at AM 900kHz receiving. Inputs "L" at FM stereo receiving. : IN : Without the clock display = "H". pin 13: POWER SW_ : IN : Power switch pulse input.
pin 10: LCD CLK pin 11: LCD CE
pin 83: CD CONNECT_ : IN : "L" is outputted when CD-FPC connection trouble is detected. pin 84: BUS 0 pin 85: BUS 1 pin 86: BUS 2 pin 87: BUS 3 pin 88: BUC CLOCK pin 89: CCE pin 90: GS1 TEST pin 91: S STOP pin 92: CHU SW pin 93: TR B pin 94: TR A pin 95: LOAD CONT pin 96: LOAD MUTE pin 97: NU pin 98: NU pin 99: VDD PORT pin100: GND PORT :I/O: CD IC Data input / output. :I/O: CD IC Data input / output. :I/O: CD IC Data input / output. :I/O: CD IC Data input / output. : O : CD IC clock pulse output. : O : Chip enable signal output to CD IC. : O : Test data output. : IN : "L"= In side limit. : IN : CD disc chucking signal input. : IN : Photo sensor signal input from the CD mechanism. : IN : Photo sensor signal input from the CD mechanism. : IN : Loading = "H", Eject = "L". : O : Loading muting control output. : - : Not in use. : - : Not in use. : - : Positive supply voltage for the ports. : - : Ground for the ports.
