CD-BA1200H
IC2 VHiLC78641E-1: Servo/Signal Control (LC78641E) (2/2)
Pin No. Terminal Name Input/OutputSetting in ResetFunction
44LVDD��L channelPower terminal for L channel.
45LCHOOutput1/2VDDD/A converter L channel output terminal.
46LVSS��Ground terminal for L channel. Surely connected to 0V.
47RVSS��R channelGround terminal for R channel. Surely connected to 0V.
48RCHOOutput1/2VDDD/A converter R channel output terminal.
49RVDD��Power terminal for R channel.
50XVDD��For quartzPower terminal for quartz oscillation.
51XINInputOscillationoscillationGround terminal of 16.9344 MHz quartz oscillation.
52XOUTOutputOscillation
53XVSS��Ground terminal for quartz oscillation. Surely connected to 0V.
54ASLRCKInput�For antiL/R clock input terminal. (When not used,connect to 0V)
55ASDACKInput�shock mode Bit clock input terminal. (When not used,connect to 0V)
56ASDFINInput�L/R channel data input terminal. (When not used,connect to 0V)
57*LRSYOutputLFor digitalL/R clock output terminal.
58*DATACKOutputLdata outputBit clock output terminal.
59*DATAOutputLL/R channel data output terminal.
60*16MOutputClock output16.9344MHz output terminal.
61*SFSYOutputLOutput terminal of synchronous signal of subcode frame.
It drops when subcode stand by.
62*SBSYOutputLOutput terminal of synchronous signal of subcode block.
63*PWOutputLOutput terminal of subcodes P,A,R,S,T,U and W.
64SBCKInput�Clock input terminal to read subcode. (When not used,connect to 0V)
65CEInput�ForChip enable signal input terminal.
66CLInput�microcomputerData transmission clock input terminal.
67DIInput�interfaceData input terminal.
68DOOutputLData output terminal.
69INTOutputHInterruption signal output terminal.
70WRQOutputHInterruption signal output terminal.
71RESInput�Reset input terminal of LC78640. When turning on power, set it at "L".
72DRFOutputLFocus ON detection terminal.
73VDD5V��Power terminal for microcomputer interface.
74VSS��Ground terminal of digital system. Surely connected to 0V.
75CONT6In/OutputInput modeGeneral purpose input/output terminal 6.Controlled with serial data command
from microcomputer. When not used,
76CONT7In/OutputInput modeGeneral purpose input/output terminal 7.set it as the input terminal and
open it by connecting to 0V, or set it
as the output terminal and open it.
77*V/ *POutputHMonitor output terminal for automatic switch of rough servo/phase control.
"H" for rough servo, and "L" for phase servo.
78*FSEQOutputLOutput terminal synchronous signal detection. "H" is output when synchronous signal
detected by EFM signal matches synchronous signal internally generated.
79DEFECTIn/OutputInput mode Defect terminal. After resetting, it is configured as an input terminal. It can be controlled
from the outside. It also becomes a defect monitor terminal under command control
80*EFMOOutputUnfixedEFM signal output terminal.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Be sure to supply the same potential to each power terminal. (VVDD,ADAVDD,VDD,LVDD,RVDD,XVDD)
Terminal witch is controlled by the power terminal (VDD5V) for a microcomputer interface :
CE (65pin), CL (66pin), DI (67pin), DO (68pin), INT (69pin), WRQ (70pin), RES (71pin), DRF (72pin),
CONT6 (75pin), CONT7 (76pin)
� 43 � |
ACEC
