Clarion DXZ945MP Service Manual page 6

EXPLANATION OF IC
052-3390-00 M30622MEP-126GP
1.Terminal Description
pin 1: DISP Reset : O : Reset pulse output to Display controller.
pin 2: TIME BASE : IN : Time base pulse input.
pin 3: DISP 5V REM : O : Not in use.
pin 4: EXT AMP REM : O : ON signal output to the power supply sec-
tion.
pin 5: SPEED PULSE : IN : The speed pulse input.
pin 6: BYTE : IN : The data length selection(8bit/16bit).
pin 7: CN VSS : IN : Connect to VSS.
pin 8: DISC/CATS : O : DISC/CATS LED control signal output.
pin 9: NU : IN : Not in use.
pin 10: RESET : IN : Reset signal input.
pin 11: X OUT : O : Crystal connection.
pin 12: VSS : - : Negative supply voltage.
pin 13: X IN : IN : Crystal connection.
pin 14: VCC : - : Positive supply voltage.
pin 15: NU : IN : Not in use.
pin 16: ACC DET : IN : ACC detection signal input.
pin 17: BU DET : IN : Backup detection signal input.
pin 18: KEY INT : IN : Key interrupting signal input.
pin 19: 27pin connect : IN : Connect to 27pin.
pin 20: DSP INIT RST : O : The reset signal output to DSP IC.
pin 21: NU : - : Not in use.
pin 22: BEEP : O : Beep out.
pin 23: DSP RST : O : Reset pulse output to the DSP IC.
pin 24: NU : O : Not in use.
pin 25: DD F SW : O : The frequency control signal output for
DC_DC_Converter.
pin 26: NU : IN : Not in use.
pin 27: IE BUS RX : IN : IE Bus serial data input.
pin 28: IE BUS TX : O : IE Bus serial data output.
pin 29: NU : O : Not in use.
pin 30: NU : IN : Not in use.
pin 31: NU : IN : Not in use.
pin 32: NU : O : Not in use.
pin 33: DSP SO : O : Serial data output to the DSP IC.
pin 34: DSP SI : IN : Serial data input from the DSP IC.
pin 35: DSP CLK : O : The clock pulse output to DSP.
pin 36: DSP RDY : IN : Ready signal input from the DSP IC.
pin 37: DSP RQ : O : Request signal output to the DSP IC.
pin 38: NU : IN : Not in use.
pin 39: NU : IN : Not in use.
pin 40: MP3 SRQ : IN : MP3 request signal input.
pin 41: MP3 CS : O : MP3 chip selection signal output.
pin 42: MP3 WP : O : MP3 wakeup signal output.
pin 43: MP3 RESET : O : MP3 reset signal output.
pin 44: NU : IN : Not in use.
pin 45: PLL SI : IN : Serial data input from the PLL IC.
pin 46: PLL SO : O : Serial data output to the PLL IC.
pin 47: PLL SCK : O : The clock pulse output to the PLL IC.
pin 48: PLL CE : O : The chip enable signal output to the PLL
IC.
pin 49: NU : IN : Not in use.
pin 50: RDS TEST : IN : For test.
pin 51: INIT 2 : IN : The initial setting input.
pin 52: INIT 1 : IN : The initial setting input.
pin 53: ILL DET : IN : Illumination ON signal input.
pin 54: NU : O : Not in use.
pin 55: OPEN POSI : IN : The open position detect signal input.
pin 56: CLOSE POSI : IN : The close position detect signal input.
pin 57: NU : O : Not in use.
pin 58: MOTOR+ : O : The control signal output to the motor.
pin 59: MOTOR- : O : The control signal output to the motor.
pin 60: VCC : - : Positive supply voltage.
pin 61: SUB 0 MUTE : O : 2-zone CD muting selection.
pin 62: VSS : - : Negative supply voltage.
pin 63: MAIN 0 MUTE : O : 2-zone CD muting selection.
pin 64: KEY ILL REM : O : Key illumination ON signal output.
DXZ945MP
DXZ946MP
CD/MP3 Master Controller
pin 65: ST SD : IN : At receiving the FM station, this port de-
tects the stereo signal. At seeking or scan-
ning, this port detects the station detection
signal.
pin 66: NOISE DCHG : O : RDS noise discharge signal output.
pin 67: MUTE SPD UP : O : Station detection speed up command out-
put for RDS.
pin 68: RDS TEST ST : O : For the test mode.
pin 69: RDS MUTE : O : RDS mute signal output.
pin 70: RDS DATA : IN : RDS serial data input.
pin 71: Spect RST : O : Reset pulse output to spectrum analyzer.
pin 72: Spect RD : IN : Read pulse input from spectrum analyzer.
pin 73: RDS CLK : IN : RDS clock pulse input.
pin 74: E VOL CLK : O : The clock pulse output to the volume IC.
pin 75: E VOL DATA : O : The serial data output to the volume IC.
pin 76: SUB E VOL CK : O : The clock pulse output to Sub volume IC.
pin 77: SUB E VOL DT : O : The serial data output to Sub volume IC.
pin 78: INT AMP REM : O : Internal audio amplifier control.
pin 79: AMP MUTE : O : Muting signal output to the Audio Power
Amplifier.
pin 80: AMP REM DT : IN : Remote controller wire short detection.
pin 81: NAVI MUTE : O : Muting signal output to suppress the noise
without Navigation sound interrupting.
pin 82: LINE SYS MU : O : The system muting command output.
pin 83: NU : O : Not in use.
pin 84: PHONE INT : IN : The telephone interrupt signal input.
pin 85: AUTO ANT : O : Motor antenna control signal output.
pin 86: 5V REM : O : ON signal output to the 5V power supply.
pin 87: NOISE : IN : The noise level for RDS.
pin 88: S METER : IN : The input terminal of internal A/D convert-
er to monitor the radio field strength.
pin 89: KEY A/D : IN : The input terminal of the internal ADC for
key judgement.
pin 90: 2-zone Mute : O : 2-zone muting control.
pin 91: SPAN DATA : IN : The serial data input from the spectrum
analyzer.
pin 92: NU : IN : Not in use.
pin 93: SYS ACC : O : ACC detect signal output.
pin 94: A VSS : - : Analog ground.
pin 95: OFFSET DET : IN : The emergency signal input from the pow-
er IC.
pin 96: VREFI : IN : The reference voltage input.
pin 97: A VCC : - : Positive supply voltage for the internal an-
alog section.
pin 98: MP3 SI : IN : MP3 serial data input.
pin 99: MP3 SO : O : MP3 serial data output.
pin100: MP3 SCK : O : MP3 clock output.
051-6700-00 TMS320DA140PGE160
1.Terminal Description
pin 1: VSS : - : Negative supply voltage.
pin 2: Memo Addrss 22: O : Control signal output for Memory IC.
pin 3: VSS : - : Negative supply voltage.
pin 4: VDD : - : Positive supply voltage.
pin 5: Memo Addrss 10: O : Address output to Memory IC.
pin 6: C RESET : O : Reset pulse output to CD IC.
pin 7: Memo Addrss 11: O : Address output to Memory IC.
pin 8: Memo Addrss 12: O : Address output to Memory IC.
pin 9: Memo Addrss 13: O : Address output to Memory IC.
pin 10: Memo Addrss 14: O : Address output to Memory IC.
pin 11: Memo Addrss 15: O : Address output to Memory IC.
pin 12: VDD : - : Positive supply voltage.
pin 13: NU : IN : Not in use.
pin 14: VSS : - : Negative supply voltage.
pin 15: VSS : - : Negative supply voltage.
pin 16: VDD : - : Positive supply voltage.
pin 17: NU : IN : Not in use.
pin 18: NU : IN : Not in use.
pin 19: READY : IN : The ready signal input.
pin 20: PS : O : Control signal output for Memory IC.
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Digital Signal Processor