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WXZ468RMP
EXPLANATION OF IC
052-3404-10 uPD703272YGC-307-8EA-A 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: LINE SYS MU : O : The system muting command output.
pin 5: A Vref 1 : - : Reference voltage for the internal DAC.
pin 6: NU :IN: Not in use.
pin 7: AMP MUTE : O : Muting signal output to the Audio Power
Amplifier.
pin 8: FLASH MODE :IN: The flash memory mode setting input.
pin 9: VDD : - : Positive voltage supply.
pin 10: REG C : - : The capacitor connection.
pin 11: GND : - : Ground.
pin 12: X 1 : - : The crystal connection.
pin 13: X 2 : - : 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: CATS DET :IN: The backup voltage detection for CATS.
pin 19: BU DET 1 :IN: Backup-voltage detection to mute the au-
dio signal.
pin 20: NU :IN: Not in use.
pin 21: ACC DET :IN: ACC detection signal input.
pin 22: DSP I2C SDA :I/O: I2C serial data input/output.
pin 23: DSP I2C SCL : O : I2C serial clock output.
pin 24: NU :IN: Not in use.
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: CATS DI :IN: Serial data input for CATS.
pin 28: CATS DO : O : Serial data output for CATS.
pin 29: CATS SCK : O : Serial clcock output for CATS.
pin 30: CATS CS : O : Chip select output for CATS.
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 : - : Positive voltage supply.
pin 35: MECH SDA :I/O:The serial data input/output for GIX-MP3
mechanism.
pin 36: MECH SCL : O : The serial clock output for GIX-MP3 mech-
anism.
pin 37: MECH SRQ :IN: The request input from GIX-MP3 mecha-
nism.
pin 38: MECH RESET : O : The reset signal output for GIX-MP3
mechanism.
pin 39: RDS TP 3 : O : The test point for RDS PI.
pin 40: NU :IN: Not in use.
pin 41: NU :IN: Not in use.
pin 42: DSP RESET : O : Reset signal output to the DSP IC.
pin 43: TUN SDA :I/O:I2BUS serial data input/output for the tun-
er pack.
pin 44: TUN SCL : O : I2BUS serial clock output for the tuner
pack.
pin 45: TUN RD CL :IN: RDS serial clock input.
pin 46: TUN RD DA :IN: RDS serial data input.
pin 47: REMOCON :IN : Remote controller signal input terminal.
pin 48: VFD LAT : O : The latch strove signal output to the VFD
driver.
pin 49: VFD BLANK : O : Blank pulse output to the VFD driver.
pin 50: MECHA MUTE :IN: Mechanism audio mute signal input.
pin 51: VFD DO : O : The serial data output to the VFD driver.
pin 52: VFD CLK : O : The clock pulse output to the VFD driver.
pin 53: CTRL : O : Power supply ON signal output.
pin 54: INT AMP REM : O : ON signal output to the internal Amplifier.
pin 55: NU :IN: Not in use.
pin 56: KEY INT :IN : Key interrupting signal input.
pin 57: NU :IN: Not in use.
pin 58: NU :IN: Not in use.
pin 59: 5V REM : O : ON signal output to the 5V power supply.
pin 60: CD 9V REM : O : 9V power supply ON signal output for CD.
H=ON.
pin 61: MECH ACC : O : Mechanism ACC control signal output.
pin 62: CLK TEST : O : Sub clock test port.
pin 63: INIT 1 :IN: The initial setting input.
Refer Table 1.
pin 64: INIT 2 :IN: The initial setting input.
Refer Table 1.
pin 65: LED 1 : O : LED ON signal output. H=ON.
pin 66: LED 2 : O : LED ON signal output. H=ON.
pin 67: LED 3 : O : LED ON signal output. H=ON.
pin 68: NU :IN: Not in use.
pin 69: B VSS : - : Ground for the bus interface section.
pin 70: B VDD : - : Positive voltage supply for the bus inter-
face section.
pin 71: KEY DI :IN: The serial data input from the Key scan
IC.
pin 72: KEY DO : O : The serial data output to the Key scan IC.
pin 73: KEY CK : O : Clock pulse output to Key-IC.
pin 74: KEY CE : O : Chip enable output to Key-IC.
pin 75: KEY RESET : O : Reset pulse output to Key-IC.
pin 76: NU :IN: Not in use.
pin 77: VOL CW :IN: The pulse signal input from the rotary
encoder.
pin 78: VOL CCW :IN:
The pulse signal input from the rotary
encoder.
pin 79: SOURCE CW :IN: The pulse signal input from the rotary
encoder.
pin 80: SOURCE CCW :IN: The pulse signal input from the rotary
encoder.
pin 81: A-MODE CW :IN: The pulse signal input from the rotary
encoder.
pin 82: A-MOME CCW :IN: The pulse signal input from the rotary
encoder.
pin 83: PHONE INT :IN: The telephone interrupt signal input.
pin 84: SPAN A : O : Spectrum analyzer frequency band selec-
tion signal output.
pin 85: SPAN B : O : Spectrum analyzer frequency band selec-
tion signal output.
pin 86: SPAN C : O : Spectrum analyzer frequency band selec-
tion signal output.
pin 87: ILL REM : O : Key illumination ON signal output. H=ON.
pin 88: DD REM : O : DC to DC Converter ON signal output.
H=ON.
pin 89: SPAN DATA :IN: The serial data input from the spectrum
analyzer.
pin 90: KEY AD :IN: Input terminal of A/D converter for Key
judgment.
pin 91: NU :IN: Not in use.
pin 92: NU :IN: Not in use.
pin 93: LEVEL IN L :IN: Power level detection port.
pin 94: LEVEL IN R :IN: Power level detection port.
pin 95: NU :IN: Not in use.
pin 96: NU :IN: Not in use.
pin 97: RDS TP 1 : O : The test point for RDS.
pin 98: RDS TP 2 : O : The test point for RDS.
pin 99: EXT AMP REM : O : ON signal output to the external Amplifi-
er.
pin100: A ANT REM : O : The automatic antenna control signal out-
put.
Table 1. The initial setting input
Destination Japan Europe Asia Asia
INIT 1 ( pin 63 ) H L H L
INIT 2 ( pin 64 ) H L L H
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