HCD-VX77/VX77J
7-23. IC PIN FUNCTIONS
Y IC101 DIGITAL SIGNAL PROCESSOR (CXD3008Q) (BD Board)
Pin No.Pin NameI/OFunctionPin No.Pin NameI/OFunction
1DVDD0NDigital power supply41TEITracking error signal input
2XRSTISystem reset42CEICenter servo analog input
3MUTEIMuting selection pin43RFDCIRF signal input
4DATAISerial data input, supplied from CPU44ADI0OTest pin (Not used)
5XLATILatch input, supplied from CPU45AVSS0NAnalog ground
6CLOKISerial data transfer clock input, supplied from CPU46IGENIPower supply pin operational amplifiers
7SENSOSENS output47AVDDNAnalog power supply
8SCLKISENS serial data read-out clock48ASYOOEFM full swing output
9ATSKI/OInput pin for anti-shock (Ground)49ASYIIAsymmetry comparate voltage input
10WFCKOWFCK (Write Frame Clock) output (Not used)50RFACIEFM signal input
11XUGFOXUGF output (Not used)51AVSS1NAnalog ground
12XPCKOXPCK output (Not used)52CLTVIControl voltage input for master VCO
13GFSOGFS output (Not used)53FILOOFilter output for master PLL
54FILIIFilter input for master PLL14C2P0OC2PO output
55PCOOCharge-pump output for master PLL15SCOROSub-code sync output
56AVDD1NAnalog power supply16CM4O4.2336MHz output (Not used)
57BIASIAsymmetry circuit constant current input17WDCKO48-bit slot D/A interface word clock (Not used)
58VCTLIControl voltage input for variable pitch PLL
59V16MI/O16.9344MHz output (Not used)18DVSSNDigital ground
19COUTONumbers of track counted signal output (Not used)
60VPCOOCharge-pump output for variable pitch PLL (Not used)20MIRROMirror signal output (Not used)
61DVDD2NDigital power supply21DFCTODefect signal output (Not used)
62ASYEIAsymmetry circuit ON/OFF (Connected to +5V.)22FOKOFocus OK output (Not used)
63MD2IDigital-out ON/OFF control (Connected to +5V.)
64DOUTODigital-out output23PWM1I(Not used)
24LOCKI/OGFS in sampled by 460Hz (Not used)
65LRCKO48-bit slot D/A interface, LR clock output25MDPOOutput to control spindle motor servo
66PCMDO48-bit slot D/A interface, Serial deta output26SSTPIInput signal to detect disc inner most trak
67BCLKO48-bit slot D/A interface, bit clock output27FST0O2/3 divider output (Not used)
68EMPHOPlayback disc output in emphasis mode (Not used)
69XTSLIXOtal selection input pin28DVDD1NDigital power supply
Sled drive output70DVSS2NDigital ground29SFDRO
30SRDRO
71XTAIIXOtal oscillator circuit input31TFDRO
Tracking drive output72XTAOOXOtal oscillator circuit output (Not used)32TRDRO
73SOUTO
Focus drive output74SOCKO(Not used)33FFDRO
75XOCTO34FRDRO
35DVSS1NDigital ground
76SQSOOSub-Q serial output36TESTI
TEST pin connected normally ground77SQCKIClock input for SQSO read-out
78SCSYISub-code input37TES1I
79SBSOOSub-P through Sub-W serial output (Not used)38VCICenter voltage input
80EXCRIClock input for SBSO read-out39FEIFOCUS error signal input
40SEISled error signal input
4848 |
ACEC
