AVD-S50/S50ES
SECTION 5
DIAGRAMS
5-1. IC PIN FUNCTION DESCRIPTION
Y DVD BOARD IC301 CXP973064-233R (MECHANISM CONTROLLER)
Pin No.Pin NameI/OPin Description
1EEP SOONot used. (Open)
2SDENOSerial data enable signal output to DVD/CD RF amplifier
DOCTRL/Digital out on/off contrrol signal output to the digital signal processor
3O
ISBTESTOL�: digital out off, OH�: digital out on
4EEP WCONot used. (Open)
5EEP SII/OTwo-way data bus with the EEPROM
6EEP RDYIEEPROM ready signal input from the DVD decoder
7FCS JMP 1OFocus jump 1 signal output to the motor/coil driver
8FCS JMP 2OFocus jump 2 signal output to the motor/coil driver
9SENS CDIInternal status (SENSE) signal input from the digital signal processor
10LOAD +OLoading motor drive signal (loading in direction) output terminal Not used. (Open)
11LOAD �OLoading motor drive signal (loading out direction) output terminal Not used. (Open)
12XCS DVDOChip select signal output to the DVD decoder
13VSSNGround terminal (digital system)
14 to 21D0 to D7I/OTwo-way data bus with the DVD decoder
22INIT0 DVDIInterrupt signal input from the DVD decoder
23INIT1 DVDIInterrupt signal input from the DVD decoder
24FCOMP HOSerial data transfer clock signal output to the DSD decoder
25FCOMP LOReset signal output to the DVD decoder OL�: reset
26SCORISubcode sync (S0+S1) detection signal input from the digital signal processor
27LAT CDOSerial data latch pulse signal output to the digital signal processor
Laser diode on/off control signal output to the DVD/CD RF amplifier
28LD ONO
OL�: laser diode off, OH�: laser diode on
29MIRRIMirror signal input from the digital signal processor
30COUT CDINumbers of track counted signal input from the digital signal processor
Detection signal input from limit in switch
31INLIMI
The optical pick-up is inner position when OH�
32CS ZIVAOChip select signal output to the DVD system processor
33SI ZIVAISerial data input from the DVD system processor
34SO ZIVAOSerial data output to the DVD system processor
35SCK ZIVAOSerial data transfer clock signal output to the DVD system processor
36DRVIRQOInterrupt request signal output to the DVD system processor
37DRVRDYOReady signal output to the DVD system processor
38RSTISystem reset signal input from the DVD system processor OL�: reset
39VSSNGround terminal (digital system)
40XTALISystem clock input terminal (20 MHz)
41EXTALOSystem clock output terminal (20 MHz)
42VDDNPower supply terminal (+3.3 V) (digital system)
43, 44SLED A, SLED BOSled motor drive signal output
45SCK DSDOOutput terminal for offset adjustment of APEO
46SDOUT DSDOSerial data output to the DSD decoder
47SDIN DSDISerial data input from the DSD decoder
48READY DSDIReady signal input from the DSD decoder OL�: ready
49DATA CDOSerial data output to the digital signal processor
50CLOK CDOSerial data transfer clock signal output to the digital signal processor
51XMSLATOSerial data latch pulse signal output to the DSD decoder
52SQSOISubcode Q data input from the digital signal processor
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ACEC
