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EXPLANATION OF IC
052-3188-83
M30853FHGP
Terminal Description
pin
1: CTRST
: O : Contrast adjustment analogue output(DA).
pin
2: SPEED
: IN : Speed Pulse input.
pin
3: EEP/ST DA
:I/O: The serial data input/output for EEP and
Sub-tuner.
pin
4: EEP/ST CK
: O : The serial clock output for EEP and Sub-
tuner.
pin
5: BU DET
: IN : Backup detection signal input.
pin
6: GND
: - : Ground.
pin
7: CN VSS
: IN : Connect to VSS.
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 : Connect to VDD.
pin 16: ACC IN
: IN : ACC ON flag input.
pin 17: NC
: O : Not in use.
pin 18: NC
: O : Not in use.
pin 19: TB
: IN : Time base input.
pin 20: NC
: O : Not in use.
pin 21: M CAN RX
: IN : M-CAN serial data input.
pin 22: M CAN TX
: O : M-CAN serial data output.
pin 23: Power IC Stndb : O : The standby signal output to Power IC.
pin 24: BEEP/BUZ
: O : BEEP out or the buz control.
pin 25: AMP ON
: O : AMP ON signal output.
pin 26: DIMMER
: O : PWM output.
pin 27: EEP/MT CK
: O : The clock pulse output to EEP/Main-tuner.
pin 28: EEP/MT DA
: O : The serial data output to EEP/Main-tuner.
pin 29: NDS TX
: O : The serial data output for NDS.
pin 30: NDS RX
: IN : The serial data input for NDS.
pin 31: NDS REQ 1
: IN : NDS request signal input.
pin 32: NDS CONT
: O : NDS/Automatic-changer select.
pin 33: 1&6-CD TX
: O : The serial data output for 1-CD & 6-CD-
Changer.
pin 34: 6-CD RX / CK :I/O: The serial data input for 6-CD-Changer. Or
clock pulse output for 1-CD.
pin 35: NDS REQ 2
: IN : NDS request signal input.
pin 36: NDS S-CHG
: O : N-BUS audio signal select command out-
put.
pin 37: NC
: O : Not in use.
pin 38: NC
: O : Not in use.
pin 39: WRITE ONLY
: - : WRITE ONLY.
pin 40: NC
: O : Not in use.
pin 41: NC
: O : Not in use.
pin 42: NC
: O : Not in use.
pin 43: 1-CD RX
: IN : The serial data input from 1-CD.
pin 44: 1&6-CD REQ
: IN : The request signal input from 1-CD & 6-
CD-Changer.
pin 45: 1-CD CS
: O : The chip select signal output.
pin 46: 1-CD WUP
: O : The wakeup signal output.
pin 47: 1-CD RESET
: O : The reset signal output.
pin 48: CD ON
: O : CD ON signal output.
pin 49: Power IC Diag : IN : Power IC Diagnosis signal input.
pin 50: LCD ON
: O : LCD ON signal output.
pin 51: KEY/LCD DO
: O : Serial data output for KEY IC or LCD IC.
pin 52: KEY/LCD CLK : O : Clock output for KEY IC or LCD IC.
pin 53: KEY/LCD DI
: IN : Serial data input for KEY IC or LCD IC.
pin 54: KEY/LCD CE
: O : Chip Enable output for KEY IC or LCD IC.
PN-2714B-B
Audio CPU
pin 55: KEY/LCD S/R
pin 56: VOL-2
pin 57: VOL-1
pin 58: NC
pin 59: NC
pin 60: VDD
pin 61: POWER-ON
pin 62: GND
pin 63: RTLY-VOL2/TH : IN : Rotary volume pulse input / temperature.
pin 64: RTLY-VOL1
pin 65: MD WP
pin 66: MD XCS
pin 67: MD XSCK
pin 68: CPU-MD
pin 69: MD RESET
pin 70: MD XSRQ
pin 71: NC
pin 72: MD DI
pin 73: MD LD/RDS CK : IN : MD loading start signal input, DISC load-
pin 74: MD ON/RDS DI : O : MD power supply control, H = Power ON.
pin 75: NC
pin 76: ST/SD/TWEET
pin 77: DSP INT
pin 78: DSP RESET
pin 79: S METER
pin 80: PLL DI
pin 81: VFM PLL CE
pin 82: VFM PLL DO
pin 83: VFM PLL CK
pin 84: VFM PLL DI
pin 85: VFM SD
pin 86: VFM S METER : IN : The input terminal of internal A/D convert-
pin 87: MD EJ/6-CD LD : IN : MD eject signal input. And 6-CD-Changer
pin 88: CD EJECT
pin 89: PLL CK
pin 90: PLL DO
pin 91: PLL CE
pin 92: N REMO B
pin 93: N REMO A
pin 94: A GND
pin 95: NC
pin 96: Vref
pin 97: A VCC
pin 98: DSP/PIC/RDS C: IN : The clock pulse input.
pin 99: DSP/PIC/RDS D: IN : The serial data input.
pin 100: ANT ON
- 2 -
: O : KEY IC Standby output / LCD IC Reset
output.
: IN : The volume pulse input.
: IN : The volume pulse input.
: O : Not in use.
: O : Not in use.
: - : Positive voltage supply.
: - : POWER-KEY.
: - : Ground
: IN : Rotary volume pulse input.
: O : MD wakeup, H = WAKE-UP, L = SLEEP.
: O : MD chip select , H = CS ON.
: O : MD clock.
: O : The serial data output to MD.
: O : L = RESET ON.
: IN : MD request.
: O : Not in use.
: IN : The serial data input from MD.
ing beginning of L. And RDS clock in-
put.
: O : Not in use. And RDS data input.
:I/O: At AM station receiving, this port outputs
"L" by AM 900kHz receiving. At FM sta-
tion receiving, this port detects the ste-
reo signal. And at seeking or scanning,
this port detects the SD signal.
: IN : The interrupt command input from the
DSP IC.
: O : Reset signal output to the DSP IC.
: IN : The input terminal of internal A/D convert-
er to monitor the radio field strength.
: IN : Serial data input from the PLL IC.
: O : The chip enable signal output to the PLL
IC.
: O : Serial data output to the PLL IC.
: O : The clock pulse output to the PLL.
: IN : Serial data input from the PLL IC.
: IN : Station detection signal input.
er to monitor the radio field strength.
loading start signal input.
: IN : CD eject signal input.
: IN : PLL clock input.
: O : Serial data output to the PLL IC.
: O : The chip enable signal output to the PLL
IC.
: IN : The input terminal of internal ADC for N-
remote-controller signal.
: IN : The input terminal of internal ADC for N-
remote-controller signal.
: - : Analog ground.
: O : Not in use.
: - : Reference voltage.
: - : Positive voltage supply for the internal
analog section.
: O : Antenna ON command output.
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