Clarion PS-2808K-A Service Manual page 3

EXPLANATION OF IC
052-3196-21 M30622MGP-E22GP
Terminal Description
pin 1: PLL CK : O : PLL clock pulse output.
pin 2: PLL DO : O : PLL serial data output.
pin 3: PLL CE : O : PLL chip enable signal output.
pin 4: NU : O : Not in use.
pin 5: NU : O : Not in use.
pin 6: BYTE : IN : Data length selection(8bit/16bit).
pin 7: CN VSS : IN : Connect to VSS via a resistor.
pin 8: ANT-ON / TP : O : Antenna-ON signal output, and the test
signal output.
pin 9: BL CONT : O : Back light control 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 DET : IN : ACC detection signal input.
pin 17: BU DET : IN : Backup detection signal input.
pin 18: Speed Pulse : IN : Speed pulse input.
pin 19: BL ON : O : Back light ON command output.
pin 20: EQ S ACTIVE : IN : H = When changing the soft-ware.
pin 21: EQ DATA : O : EQ serial data output.
pin 22: VOL EQ CK : O : Clock pulse output to the volume IC or the
equalizer IC.
pin 23: VOL DATA : O : Serial data output to the volume IC.
pin 24: BEEP : O : Beep out.
pin 25: 27pin connect : IN : Connect to 27pin.
pin 26: LCD IC VLCD : O : LCD-bias-voltage ON-signal output.
pin 27: Ce-NET RX : IN : Serial data input from the Ce-NET.
pin 28: Ce-NET TX : O : Serial data output to the Ce-NET.
pin 29: FLASH TX : O : Flash memory Serial data output.
pin 30: FLASH RX : IN : Flash memory Serial data input.
pin 31: FLASH CK : IN : Flash memory Clock.
pin 32: ILL ON : IN : Illumination ON signal input.
pin 33: GIX SDA : O : 6CD serial data output.
pin 34: GIX SCL : O : 6CD serial clock output.
pin 35: SYS ON : O : System ON signal output.
pin 36: AMP ON : O : Audio power amplifier ON signal output.
pin 37: AMP MUTE : O : Muting signal output to the Audio power
amplifier.
pin 38: TEL KEY OUT : O : L = Tel Key ON.
pin 39: SYS ACC : O : ACC detect signal output.
pin 40: CATS TP OUT : O : For CATS test.
pin 41: CD ON : O : CD ON signal output.
pin 42: NU : O : Not in use.
pin 43: NU : O : Not in use.
pin 44: FLASH CE : IN : Flash memory Chip enable.
pin 45: NU : O : Not in use.
pin 46: EEP CK : O : EEP-ROM clock pulse out.
pin 47: EEP CS : O : EEP-ROM chip select signal out.
pin 48: EEP DO : O : Serial data output to EEP-ROM.
pin 49: EEP DI : IN : Serial data input from EEP-ROM.
pin 50: GIX SYS ACC : O : 6CD SYS ACC output. L = Power off.
pin 51: GIX RESET : O : 6CD Reset output. L = Reset.
pin 52: NU : O : Not in use.
pin 53: NU : O : Not in use.
pin 54: NU : O : Not in use.
pin 55: NU : O : Not in use.
pin 56: CD CK : O : CD Clock Pulse output.
pin 57: CD SI : IN : Serial data input from the CD mechanism.
pin 58: CD SO : O : Serial data output to the CD mechanism.
pin 59: CD SRQ : IN : SRQ input from the CD mechanism.
pin 60: VDD : - : Positive voltage supply.
pin 61: CD CS
pin 62: GND
System Controller
pin 63: CD WAKEUP
pin 64: CD RESET
pin 65: LCD RESET
pin 66: LCD CS
pin 67: LCD CK
pin 68: LCD DATA
pin 69: LCD REQ
pin 70: VOL 1 L
pin 71: VOL 2 L
pin 72: GIX REQ
pin 73: NU
pin 74: VOL 1 R
pin 75: VOL 2 R
pin 76: NU
pin 77: NU
pin 78: NU
pin 79: NU
pin 80: NU
pin 81: NU
pin 82: NU
pin 83: SEL 1
pin 84: SEL 2
pin 85: SEL 3
pin 86: SEL 4
pin 87: POWER SW
pin 88: CD LOAD
pin 89: CD EJECT
pin 90: NU
pin 91: NU
pin 92: NU
pin 93: S REMOCON
pin 94: A VSS
pin 95: AUX/TEL ON
pin 96: Vref
pin 97: A VCC
pin 98: SD/ST
pin 99: NU
pin100: PLL DI
- 3 -
: O : Chip select signal output to the CD mech-
anism.
: - : Ground.
: O : Wakeup signal output to the CD mecha-
nism.
: O : Reset pulse output to the CD mechanism.
: O : Reset pulse output to the LCD.
: O : Chip select signal output to the LCD driv-
er.
: O : Clock pulse output to the LCD driver.
:I/O: Serial data input/output for the LCD driv-
er.
: IN : The key interrupt request signal input from
the LCD driver.
: IN : Volume control pulse input from the rota-
ry encoder.
: IN : Volume control pulse input from the rota-
ry encoder.
: IN : 6CD Request signal input.
: O : Not in use.
: IN : Volume control pulse input from the rota-
ry encoder.
: IN : Volume control pulse input from the rota-
ry encoder.
: O : Not in use.
: O : Not in use.
: O : Not in use.
: O : Not in use.
: O : Not in use.
: O : Not in use.
: O : Not in use.
: IN : L = 1CD, H = 6CD.
: IN : Fixed to L.
: IN : L = YT4, H = YY3.
: IN : L = Without EQ.
: IN : Power switch ON signal input.
: IN : CD loding detection signal input.
: IN : CD eject switch signal input.
: O : Not in use.
: O : Not in use.
: O : Not in use.
: IN : Steering wheel remote controller input.
: - : Analog ground.
: IN : AUX/TEL ON signal input.
: - : Reference voltage.
: - : Positive voltage supply for the internal
analog section.
: IN : At receiving the FM station, this port de-
tects the stereo signal. At seeking or
scanning, this port detects the station de-
tection signal.
: O : Not in use.
: IN : PLL serial data input.
PS-2808K-A