051-7287-90
CD74HC4049PWR
Hex Inverter
052-3400-00
uPD703275YGJ-503-UEN
System Controller
Terminal Description
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: SYS MUTE
: O : System muting signal output.
pin
5: A Vref 1
: - : Reference voltage for the internal ADC.
pin
6: RDS CLK
: IN : RDS clock pulse input.
pin
7: NU
: IN : Not in use.
pin
8: FLASH MD 0
: IN : H = The flash memory writing.
pin
9: VDD
: - : Positive voltage supply.
pin 10: REG C
: - : The capacitor connection.
pin 11: VSS
: - : Negative voltage supply.
pin 12: X 1
: - : The crystal connection.
pin 13: X 2
: IN : The crystal connection.
pin 14: RESET
: IN : Reset signal input.
pin 15: XT 1
: - : Crystal connection.
pin 16: XT 2
: - : Crystal connection.
pin 17: ILL DET
: IN : Illumination ON signal input.
pin 18: B/U DET 2
: IN : The backup voltage detect pulse input.
pin 19: B/U DET
: IN : Backup voltage ON signal input.
pin 20: NU
: IN : Not in use.
pin 21: ACC IN
: IN : ACC ON flag 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: FLASH TX
: O : The serial data output for the flash mem-
ory.
pin 26: FLASH RX
: IN : The serial data input for the flash memo-
ry.
pin 27: TP RESET
: O : The reset pulse output to the touch panel.
pin 28: NU
: IN : Not in use.
pin 29: SPEED PULSE : IN : The speed pulse input.
pin 30: NU
: IN : Not in use.
pin 31: IE BUS TX
: O : IE Bus serial data output.
pin 32: IE BUS RX
: IN : IE Bus serial data input.
pin 33: E VSS
: - : Ground.
pin 34: E VDD
: - : The positive supply voltage.
pin 35: T-DSP SDA
:I/O: I2BUS serial data input/output for the Ra-
dio-Audio-DSP.
pin 36: T-DSP SCL
: O : I2BUS serial clock output for the Radio-
Audio-DSP.
pin 37: MOTOR+
: O : The control signal output to the motor.
pin 38: MOTOR-
: O : The control signal output to the motor.
pin 39: LCD ILL REM
: O : H = LCD back light ON.
pin 40: DISP 5V
: O : The power supply ON signal output for the
LCD driver.
pin 41: OFFSET DET
: IN : The emergency signal input from the pow-
er IC.
pin 42: OSD WAIT
: IN : The wait signal input for the on screen dis-
play IC.
pin 43: OSD CD 0
:I/O: The parallel data input/output for the on
screen display.
pin 44: OSD CD 1
:I/O: The parallel data input/output for the on
screen display.
pin 45: OSD CD 2
:I/O: The parallel data input/output for the on
screen display.
pin 46: OSD CD 3
:I/O: The parallel data input/output for the on
screen display.
pin 47: OSD CD 4
:I/O: The parallel data input/output for the on
screen display.
pin 48: OSD CD 5
:I/O: The parallel data input/output for the on
screen display.
pin 49: OSD CD 6
:I/O: The parallel data input/output for the on
screen display.
pin 50: OSD CD 7
:I/O: The parallel data input/output for the on
screen display.
pin 51: OSD RD
: O : The read command output for the on
screen display IC.
pin 52: OSD WR
: O : The write command output for the on
screen display IC.
pin 53: REMOCON IN
: IN : The input terminal of the internal ADC for
the remote controller.
pin 54: OSD CS
: O : The chip select signal output to the on
screen display IC.
pin 55: OSD PS
2
: O : On screen display port select.
pin 56: OSD PS
1
: O : On screen display port select.
pin 57: OSD PS
0
: O : On screen display port select.
pin 58: OSD RST
: O : The reset pulse output for the on screen
display IC.
pin 59: TP RX
: IN : The serial data input from the touch panel
micro computer.
pin 60: TP TX
: O : The serial data output to the touch panel
micro computer.
pin 61: E VOL DATA
: O : The serial data output to the volume IC.
pin 62: E VOL CLK
: O : The clock pulse output to the volume IC.
pin 63: MP3 SRQ
: IN : MP3 request signal input.
pin 64: MP3 CS
: O : MP3 chip selection signal output.
pin 65: MP3 WP
: O : MP3 wakeup signal output.
pin 66: MP3 RESET
: O : MP3 reset signal output.
pin 67: BEEP
: O : Beep out.
pin 68: MP3 SI
: IN : MP3 serial data input.
pin 69: MP3 SO
: O : MP3 serial data output.
pin 70: MP3 SCK
: O : MP3 clock output.
pin 71: EXT AMP REM : O : ON signal output to the external Amplifier.
pin 72: INT AMP REM
: O : ON signal output to the internal Amplifier.
pin 73: AMP MUTE
: O : Muting signal output to the Audio Power
Amplifier.
pin 74: KEY INT
: IN : Key interrupting signal input.
pin 75: OSD INT 0
: IN : The interrupt signal (vertical) input for the
on screen display.
pin 76: NU
: IN : Not in use.
pin 77: TFT DD F SW 1 : O:
The DC-DC-converter-control-signal output-
terminal for the TFT driving. When the-
switching-frequency is out of the standard
frequency range, this terminal outputs L.
pin 78: DD F SW
: O : The frequency control signal output for
DC_DC_Converter.
pin 79: REM +5V
: O : Power supply circuit control signal. "H"=
ON.
pin 80: MAIN
0
BIT
: O : H = 0 bit muting active.
pin 81: NU
: IN : Not in use.
pin 82: NU
: IN : Not in use.
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 SCK
: O : The clock pulse output to the EEP-ROM.
pin 88: EEP CEO
: 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: DSP 2 Request : O : The request signal output to DSP-2.
pin 92: DSP 2 SCK
: O : The clock pulse output to DSP-2.
pin 93: DSP 2 SO
: O : The serial data output to DSP-2.
pin 94: NU
: IN : Not in use.
pin 95: DSP 2 RDY
: IN : The ready signal input to DSP-2.
pin 96: DSP 2 RESET
: O : The reset pulse output to DSP-2.
pin 97: DSP 2 INI RST : O : The initial reset signal output to DSP-2.
pin 98: NU
: IN : Not in use.
GND
VCC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
NC
NC
DXZ955MC
DXZ956MC
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