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EXPLANATION OF IC
052-7080-30 uPD70F3276YGJ-UEN-A
TerminalDescription
pin
1: A Vref 0
: - : Reference voltage for the internal ADC.
pin
2: A VSS
: - : Negative voltage supply for analog section.
pin
3: SYS ACC
: O : ACC detect signal output.
pin
4: SUB MUTE
: O : Sub-zone audio mute signal output.
pin
5: A Vref 1
: - : Reference voltage for the internal DAC.
pin
6: RDS CLK
: IN : RDS clock pulse input.
pin
7: AV ON
: O : The ON command output to the power
supply section.
pin
8: FLASH
: IN : The signal input for the flash memory con-
trol.
pin
9: VDD
: - : Positive voltage supply.
pin 10: REG C
: - : The capacitor connection.
pin 11: GND
: - : Ground.
pin 12: X in
: IN : Crystal connection.
pin 13: X out
: O : Crystal connection.
pin 14: RESET
: IN : Reset signal input.
pin 15: XT I
: IN : Oscillation terminal.
pin 16: XT O
: O : Oscillation terminal.
pin 17: POWER KEY
: IN : Power key input.
pin 18: BU 9V DET
: IN : Backup 9V detection.
pin 19: BU 6V DET
: IN : Backup 6V detection.
pin 20: EJECT
: IN : Eject key signal input.
pin 21: CATS DET
: IN : CATS detection signal input.
pin 22: TUN SDA
:I/O: I2BUS serial data input/output for the tun-
er pack.
pin 23: TUN SCL
: O : I2BUS serial clock output for the tuner
pack.
pin 24: TP REQ
: IN : The request signal from the touch panel
micro computer.
pin 25: Navi/FLASH O : O : Serial data output to Navicore or flash
memory.
pin 26: Navi/FLASH IN : IN : Serial data input from Navicore or flash
memory.
pin 27: TP RST
: O : The reset pulse output to the touch panel
micro computer.
pin 28: DIMMER
: O : PWM output.
pin 29: Motor Pulse
: IN : Motor pulse input.
pin 30: AUX/TV(CeNET) : O : H=AUX, L=TV(CeNET).
pin 31: IE BUS TX
: O : IE Bus serial data output.
pin 32: IE BUS RX
: IN : IE Bus serial data input.
pin 33: GND
: - : Ground.
pin 34: E VDD
: - : Positive voltage supply.
pin 35: DSP SDA
:I/O: The serial data input/output for the digital
signal processor.
pin 36: DSP SCL
: O : SCL output to the digital signal processor.
pin 37: MOTOR 1 F
: O : The forward command output to the slide
motor.
pin 38: MOTOR 1 R
: O : The reverse command output to the slide
motor.
pin 39: NU
: O : Not in use.
pin 40: NU
: O : Not in use.
pin 41: OFFSET DET
: IN : The emergency signal input from the pow-
er IC.
pin 42: Amp Standby
: O : Standby signal output to internal amplifi-
er.
pin 43: NU
: IN : Not in use.
pin 44: NU
: IN : Not in use.
pin 45: TEL ON
: IN : L = Telephone ON.
pin 46: NU
: IN : Not in use.
pin 47: CARD IN
: IN : L = SD CARD inserted.
Audio System Controller
- 5 -
pin 48: CARD SNS
: IN : L = SD CARD connected.
pin 49: NU
: IN : Not in use.
pin 50: NU
: IN : Not in use.
pin 51: FLMD OUT
: O : H = Flash memory rewrite.
pin 52: N STATUS 2
: IN : P-OFF input.
pin 53: IRI
: IN : The remote control signal input.
pin 54: N STATUS 1
: IN : H = The trouble is occurring in NAVI.
pin 55: SPEED P
: IN : Speed pulse input.
pin 56: NU
: IN : Not in use.
pin 57: NU
: IN : Not in use.
pin 58: NU
: IN : Not in use.
pin 59: TP RX
: IN : The serial data input from the touch pan-
el micro computer.
pin 60: TP TX
: O : The serial data output to the touch panel
micro computer.
pin 61: DVD TX
: O : The serial data output to the DVD mech-
anism.
pin 62: DVD RX
: IN : The serial data input from the DVD mech-
anism.
pin 63: W REMCOM
: IN : Wired remote controller signal input.
pin 64: FL ENA
: O : H = LCD power supply ON.
pin 65: ILL C
: IN : H = Illumination signal cancel.
pin 66: FL ON
: O : H = The fluorescent light of the LCD ON.
pin 67: BEEP
: O : Beep out.
pin 68: NU
: IN : Not in use.
pin 69: NU
: IN : Not in use.
pin 70: NU
: IN : Not in use.
pin 71: NAVI MUTE
: IN : H = Audio Mute ON.
pin 72: LINE MUTE
: O : Mute signal output.
pin 73: TEST MODE
: O : For the test.
pin 74: OPN/CL SW
: IN : Open/Close switch signal input.
pin 75: VOL CCW
: IN : Volume control pulse input from the rota-
ry encoder.
pin 76: VOL CW
: IN : Volume control pulse input from the rota-
ry encoder.
pin 77: NU
: IN : Not in use.
pin 78: INES ON
: O : Inner escutcheon illumination ON signal
output.
pin 79: NU
: IN : Not in use.
pin 80: NU
: IN : Not in use.
pin 81: LCD ON
: O : LCD panel ON signal output.
pin 82: FAN ON
: O : The fan on signal output.
pin 83: NU
: IN : Not in use.
pin 84: NU
: IN : Not in use.
pin 85: EEP DO
: O : The serial data output to the EEP-ROM.
pin 86: CLK out
: O : Clock pulse output.
pin 87: EEP CK
: O : The clock pulse output to the EEP-ROM.
pin 88: EEP CE 1
: O : The chip enable signal output to the EEP-
ROM.
pin 89: EEP DI
: IN : The serial data input from the EEP-ROM.
pin 90: NU
: IN : Not in use.
pin 91: NU
: IN : Not in use.
pin 92: NU
: IN : Not in use.
pin 93: NU
: IN : Not in use.
pin 94: NU
: IN : Not in use.
pin 95: NU
: IN : Not in use.
pin 96: NU
: IN : Not in use.
pin 97: EEP CE 2
: O : The chip enable signal output to the EEP-
ROM.
pin 98: DVD IND
: O : DVD eject LED control.
pin 99: AM / OEM
: IN : L = OEM.
pin100: EU / USA
: IN : H = Matsushita DVD mechanism.
pin101: NU
: IN : Not in use.
pin102: NTSC/PAL
: IN : NTSC/PAL select signal input.
MAX983HD
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