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EXPLANATION OF IC
052-3205-10 M30873MHA-C10GP
Terminal Description
pin
1: ILL PULSE
: IN : Illumination control signal input.
pin
2: NU
: - : Not in use.
pin
3: ST SDO
: O : Sub-tuner serial data output.
pin
4: ST SCL
: O : Sub-tuner serial clock output.
pin
5: BU DET
: IN : Backup detection signal input.
pin
6: GND
: - : Ground.
pin
7: CN VSS
: IN : Connect to VSS via a resistor.
pin
8: ILL ON
: IN : Illumination ON signal input.
pin
9: SYS ON
: O : System ON signal output.
pin 10: RESET
: IN : Reset signal input.
pin 11: X out
: O : Crystal connection.
pin 12: VSS
: - : Negative voltage supply.
pin 13: X in
: IN : Crystal connection.
pin 14: VDD
: - : Positive voltage supply.
pin 15: NMI
: IN : Nonmaskable interrupt. Connect to VDD
via a resistor.
pin 16: ACC IN
: IN : ACC ON flag input.
pin 17: M CAN RX
: IN : M-CAN serial data input.
pin 18: M CAN TX
: O : M-CAN serial data output.
pin 19: PLL DO
: O : PLL serial data output.
pin 20: NU
: - : Not in use.
pin 21: TIME BASE
: IN : Time base pulse input.
pin 22: NU
: - : Not in use.
pin 23: PLL CE
: O : PLL chip enable signal output.
pin 24: DIMMER/6CD-SL: O : 6CD SLOT LED control.
pin 25: PLL CK
: O : PLL clock pulse output.
pin 26: DISPLAY ON
: O : Display on signal output.
pin 27: DSP SCL
: O : Clock pulse output to the DSP IC.
pin 28: DSP SDA
:I/O: Serial data input/output for the digital sig-
nal processor.
pin 29: NDS/FLASH TX : O : NDS serial data output for NDS and Flash
memory.
pin 30: NDS/FLASH RX : IN : NDS serial data input for NDS and Flash
memory.
pin 31: NDS-Req1/FLCK : IN : NDS request input / Flash clock input.
pin 32: FLASH BUSY
: O : Flash memory busy signal output.
pin 33: 6CD SDA
:I/O: Serial data input/output.
pin 34: 6CD SCL
: O : Serial clock output.
pin 35: NU
: - : Not in use.
pin 36: NU
: - : Not in use.
pin 37: NU
: - : Not in use.
pin 38: 6CD RESET
: O : Reset pulse output.
pin 39: 6CD-RQ/F-EPM : IN : 6CD request input / Flash EPM.
pin 40: GIX SYS ACC : O : 6CD-mechanism system ACC control.
pin 41: NU
: - : Not in use.
pin 42: NU
: - : Not in use.
pin 43: MAIN FIX
: O : Main fix signal output for Diversity system.
pin 44: FLASH CE
: O : Flash memory Chip enable.
pin 45: KS 3
: O : Key scan output.
pin 46: KS 2
: O : Key scan output.
pin 47: KS 1
: O : Key scan output.
pin 48: KS 0
: O : Key scan output.
pin 49: KS in 3
: IN : Key scan input.
pin 50: KS in 2
: IN : Key scan input.
pin 51: KS in 1
: IN : Key scan input.
pin 52: KS in 0
: IN : Key scan input.
pin 53: Power IC Stndb : O : The standby signal output to the power IC.
pin 54: NU
: - : Not in use.
pin 55: NU
System Controller
pin 56: M-VOL 2
pin 57: M-VOL 1
pin 58: A-VOL 2
pin 59: A-VOL 1
pin 60: VDD
pin 61: POWER ON
pin 62: GND
pin 63: NU
pin 64: MINI J ON
pin 65: NU
pin 66: MT SCK
pin 67: MT SDO
pin 68: FAN ON
pin 69: AMP ON
pin 70: Speed Pulse
pin 71: NU
pin 72: RDS CK 1
pin 73: RDS DA 1
pin 74: NU
pin 75: AF MUTE
pin 76: MT AGC
pin 77: ST AGC
pin 78: DSP RESET
pin 79: MT S METER
pin 80: ST S METER
pin 81: MT MUTE
pin 82: ST MUTE
pin 83: PHONE ON
pin 84: PHONE OFF
pin 85: NU
pin 86: TEL ON
pin 87: CD EJECT
pin 88: LOAD SW
pin 89: MT HOLD
pin 90: ST HOLD
pin 91: MT SAMPLE
pin 92: ST SAMPLE
pin 93: REMO B
pin 94: A GND
pin 95: REMO A
pin 96: VREFI
pin 97: A VCC
pin 98: EEP CK
pin 99: EEP DO
pin100: DSP PAUSE
- 11 -
: - : Not in use.
: IN : Main volume control pulse input.
: IN : Main volume control pulse input.
: IN : Audio volume control pulse input.
: IN : Audio volume control pulse input.
: - : Positive voltage supply.
: IN : Power ON signal input.
: - : Ground.
: - : Not in use.
: IN : AUX mini jack detection.
: - : Not in use.
: O : Main-tuner control clock.
: O : Main-tuner control data.
: O : The fan on signal output.
: O : Audio power amplifier ON signal output.
: IN : Speed pulse input.
: - : Not in use.
: IN : RDS clock input from Main-tuner.
: IN : RDS 1 serial data input. (Main-tuner)
: - : Not in use.
: O : Audio frequency signal muting.
: IN : Main tuner AGC.
: IN : Sub tuner AGC.
: O : Reset signal output to the DSP IC.
: IN : Input of internal A/D converter to monitor
the radio field strength for the Main-tun-
er.
: IN : Input of internal A/D converter to monitor
the radio field strength for the Sub-tuner.
: O : Main-tuner mute output.
: O : Sub-tuner mute output.
: O : Phone ON signal output.
: O : Phone OFF signal output.
: - : Not in use.
: IN : Telephone ON signal input.
: IN : CD eject signal input.
: IN : LOAD switch signal input.
: IN : AF-hold-signal input from the Main-tuner.
And S-hold signal input from the DSP.
: IN : AF-hold-signal input from the Sub-tuner.
And M-hold signal input from the DSP.
: IN : Main-tuner sample input.
: IN : Sub-tuner sample input.
: IN : Steering wheel remote controller signal
input.
: - : Analog ground.
: IN : Steering wheel remote controller signal
input.
: IN : Reference voltage input.
: - : Positive voltage supply for the internal
analog section.
: O : EEP-ROM clock pulse out.
: O : Serial data output to EEP-ROM.
: IN : DSP automatic mute control.
PN-2955H-A
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