Clarion DRZ9255 Service Manual page 6

EXPLANATION OF IC
052-3393-00 M30622MEP-161GP
Terminal Description
pin 1: CD SBSY : IN : The sub Q data request command input
from the CD IC.
pin 2: TIME BASE : IN : Time base pulse input.
pin 3: DSP RDY : IN : Ready signal input from the DSP IC.
pin 4: NU : - : Not in use.
pin 5: REMOCON : IN : Remote controller signal input terminal.
pin 6: BYTE : IN : The data length selection(8bit/16bit).
pin 7: CN VSS : IN : Connect to VSS.
pin 8: INIT 1 : IN : Destination setting input. Refer Table 1.
pin 9: INIT 2 : IN : Destination setting input. Refer Table 1.
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: VCC : - : Positive voltage supply.
pin 15: NU : - : Not in use.
pin 16: ACC DET : IN : ACC detection signal input.
pin 17: BU DET : IN : Backup detection signal input.
pin 18: KEY INT : IN : Key interrupting signal input.
pin 19: 27pinConnect : IN : Connect to pin 27.
pin 20: VFD BLANK : O : Blank pulse output to the VFD driver.
pin 21: BUS IN/out : O : The audio signal control for Ce-NET.
pin 22: BEEP : O : Beep out.
pin 23: E VOL CS : O : The chip select signal output to Electric
Volume IC.
pin 24: E VOL SD : O : The serial data output to Electric Volume
IC.
pin 25: E VOL SCLK : O : The serial clock output to Electric Volume
IC.
pin 26: CLK REF : O : Reference clock pulse output.
pin 27: IE BUS RX : IN : IE Bus serial data input.
pin 28: IE BUS TX : O : IE Bus serial data output.
pin 29: EMULATOR TX : O : The serial data output to the emulator.
pin 30: EMULATOR RX : IN : The serial data input from the emulator.
pin 31: CONNECT G : - : Connect to the ground.
pin 32: NU : - : Not in use.
pin 33: VFD SO : O : The serial data output to the VFD driver.
pin 34: NU : - : Not in use.
pin 35: VFD CLK : O : The clock pulse output to the VFD driver.
pin 36: VFD LAT : O : The latch strove signal output to the VFD
driver.
pin 37: JOG CW : IN : Jog key signal input.
pin 38: JOG CCW : IN : Jog key signal input.
pin 39: CONNECT G : - : Connect to the ground.
pin 40: CATS LED : O : CATS LED drive output.
pin 41: KEY Set : O : Set signal output to the key scan IC.
pin 42: KEY CHIP SEL : O : The chip select signal output to the key
scan IC.
pin 43: KEY CLK : O : The clock pulse output for the key scan IC.
pin 44: CONNECT G : - : Connect to the ground.
pin 45: KEY DI : IN : Key scan data input.
pin 46: KEY DO : O : The serial data output to the Key scan IC.
pin 47: LD MUTE : O : Muting signal output to the CD mechanism.
pin 48: LD CONT : O : The laser diode control signal output.
pin 49: CD TR A : IN : The photo sensor signal input from the CD
mechanism.
pin 50: CD TR B : IN : The photo sensor signal input from the CD
mechanism.
pin 51: CD CHK SW : IN : CD disc chucking signal input.
pin 52: CD SSTOP : IN : At loading, detects the chucking. And next,
detects the inside limit of the pick up po-
sition.
pin 53: CD RESET : O : The reset pulse output to the CD IC.
pin 54: CD CCE : O : The chip enable signal output to the CD
IC.
pin 55: CD BU CK : O : CD IC clock pulse output.
pin 56: CD BUS 3 :I/O: The data bus.
pin 57: CD BUS 2 :I/O: The data bus.
pin 58: CD BUS 1 :I/O: The data bus.
pin 59: CD BUS 0 :I/O: The data bus.
DRZ9255
HX-D2
pin 60: VCC
System Controller
pin 61: CD 5V
pin 62: VSS
pin 63: REG CTRL
pin 64: 5V REM
pin 65: PLL SI
pin 66: PLL SO
pin 67: PLL SCK
pin 68: PLL CE
pin 69: ST SD
pin 70: VFD DD ON
pin 71: ILL DET
pin 72: DIR ERF
pin 73: PHONE INT
pin 74: AUTO ANT
pin 75: AMP REM
pin 76: DIG In/Out sel
pin 77: SYS MUTE
pin 78: PRE MUTE
pin 79: SEL CLK
pin 80: SEL DATA
pin 81: KEY ILL REM
pin 82: DAC MC
pin 83: DAC MD
pin 84: DAC MS
pin 85: DIR PDN
pin 86: PCM DET
pin 87: DIR CDT O
pin 88: DIR CCLK
pin 89: DIR CSN
pin 90: DSP INIT RST : O : The reset signal output to DSP IC.
pin 91: DSP RST
pin 92: SYS ACC
pin 93: DSP REQ
pin 94: A VSS
pin 95: KEY AD
pin 96: Vref
pin 97: A VCC
pin 98: DSP SI
pin 99: DSP SO
pin100: DSP SCK
Table 1. Destination setting
INIT 1 ( pin 8 )
INIT 2 ( pin 9 )
- 6 -
: - : Positive voltage supply.
: O : 5V power supply ON signal output for CD.
: - : Negative voltage supply.
: O : Power supply IC control signal output.
: O : 5V power supply ON signal output.
: IN : Serial data input from the PLL IC.
: O : Serial data output to the PLL IC.
: O : The clock pulse output to the PLL IC.
: O : The chip enable signal output to the PLL
IC.
: IN : At receiving the FM station, this port de-
tects the stereo signal. At seeking or scan-
ning, this port detects the station detection
signal.
: O : VFD DD converter ON signal output.
: IN : Illumination ON signal input.
: IN : Unlock & Parity error flag input from the
DIR IC.
: IN : The telephone interrupt signal input.
: O : Motor antenna control signal output.
: O : Standby signal output to Audio power am-
plifier.
: O : Digital input/output selection.
: O : System muting signal output.
: O : Pre-mute signal output.
: O : The serial clock output to the audio selec-
tor IC.
: O : The serial data output to the audio selec-
tor IC.
: O : Key illumination ON signal output.
: O : Clock pulse output to the DAC.
: O : Serial command data output to the DAC.
: O : Chip select output to the DAC.
: O : The power down signal output to the DIR
IC.
: IN : Non-PCM detection signal input.
: O : The control data output to the DIR IC.
: O : The control clock output to the DIR IC.
: O : The chip select output to the DIR IC.
: O : Reset pulse output to the DSP IC.
: O : ACC detect signal output.
: O : Request signal output to DSP IC.
: - : Negative voltage supply for analog section.
: IN : Input terminal of A/D converter for Key
judgment.
: - : Reference voltage.
: - : Positive voltage supply for the internal an-
alog section.
: IN : Serial data input from the DSP IC.
: O : Serial data output to the DSP IC.
: O : The clock pulse output to DSP IC.
Japan Noth America
H H
H L
Asia
L
L