– 41 –
CD-BP1200W/1250W
IC2 VHiLC78641E-1: Servo/Signal Control (LC78641E) (2/2)
44
LVDD
–
–
L channel
Power terminal for L channel.
45
LCHO
Output
1/2VDD
D/A converter
L channel output terminal.
46
LVSS
–
–
Ground terminal for L channel. Surely connected to 0V.
47
RVSS
–
–
R channel
Ground terminal for R channel. Surely connected to 0V.
48
RCHO
Output
1/2VDD
D/A converter
R channel output terminal.
49
RVDD
–
–
Power terminal for R channel.
50
XVDD
–
–
For quartz
Power terminal for quartz oscillation.
51
XIN
Input
Oscillation
oscillation
Ground terminal of 16.9344 MHz quartz oscillation.
52
XOUT
Output
Oscillation
53
XVSS
–
–
Ground terminal for quartz oscillation. Surely connected to 0V.
54
ASLRCK
Input
–
For anti
L/R clock input terminal. (When not used, connect to 0V)
55
ASDACK
Input
–
shock mode
Bit clock input terminal. (When not used, connect to 0V)
56
ASDFIN
Input
–
L/R channel data input terminal. (When not used, connect to 0V)
57*
LRSY
Output
L
For digital
L/R clock output terminal.
58*
DATACK
Output
L
data output
Bit clock output terminal.
59*
DATA
Output
L
L/R channel data output terminal.
60*
16M
Output
Clock output
16.9344MHz output terminal.
61*
SFSY
Output
L
Output terminal of synchronous signal of subcode frame.
It drops when subcode stand by.
62*
SBSY
Output
L
Output terminal of synchronous signal of subcode block.
63*
PW
Output
L
Output terminal of sub codes P,A,R,S,T,U and W.
64
SBCK
Input
–
Clock input terminal to read sub code. (When not used, connect to 0V)
65
CE
Input
–
For
Chip enable signal input terminal.
66
CL
Input
–
microcomputer
Data transmission clock input terminal.
67
DI
Input
–
interface
Data input terminal.
68
DO
Output
L
Data output terminal.
69
INT
Output
H
Interruption signal output terminal.
70
WRQ
Output
H
Interruption signal output terminal.
71
RES
Input
–
Reset input terminal of LC78640. When turning on power, set it at "L".
72
DEF
Output
L
Focus ON detection terminal.
73
VDD5V
–
–
Power terminal for microcomputer interface.
74
VSS
–
–
Ground terminal of digital system. Surely connected to 0V.
75
CONT6
In/Output
Input mode
General purpose input/output terminal 6.
Controlled with serial data command
from microcomputer. When not used,
76
CONT7
In/Output
Input mode
General 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/P
Output
H
Monitor output terminal for automatic switch of rough servo/phase control.
"H" for rough servo, and "L" for phase servo.
78*
FSEQ
Output
L
Output terminal synchronous signal detection. "H" is output when synchronous signal
detected by EFM signal matches synchronous signal internally generated.
79
DEFECT
In/Output
Input 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*
EFMO
Output
Unfixed
EFM signal output terminal.
Pin No.
Function
Terminal Name Input/Output Setting in Reset
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), DEF (72pin),
CONT6 (75pin), CONT7 (76pin)
Содержание CD-BP1200W
Страница 46: ...CD BP1200W 1250W 46 M E M O ...
Страница 58: ...CD BP1200W 1250W 11 M E M O ...
Страница 59: ...CD BP1200W 1250W 12 M E M O ...
