– 45 –
CD-BA250H/CD-BA2600H
FUNCTION TABLE OF IC
IC1 VHiLC78645E-1: CD Servo (LC78645E) (1/2)
1
SLC0
Output
–
Control output.
2
SLCIST
Input
–
Resistor connection terminal for SLCO output current setting.
3
EFMIN
Input
–
RF signal input terminal.
4
RF
Output
–
RF signal monitor terminal.
5
RFVDD
Input
–
RF power terminal.
6
RFVSS
–
–
RF earth terminal. To be connected to 0 V.
7
FIN1 A
Input
–
A+C signal input terminal.
8
FIN2 B
Input
–
B+D signal input terminal.
9
TIN1 E
Input
–
E signal input terminal.
10
TIN2 F
Input
–
F signal input terminal.
11
VREF
Output
RFVDD/2
VREF voltage output terminal.
12
REF1
Input
–
Reference supply setting terminal.
13*
FE
Output
ZHI
FE signal monitor terminal.
14
TEC
Output
–
LPF capacitor connection terminal for TE signal.
15*
TE
Output
ZHI
TE signal monitor terminal.
16*
RFMON
Output
ZHI
RF internal signal monitor terminal.
17
JITTC
–
–
Capacitor connection terminal for jitter detection.
18
ADAVDD
Input
–
Power terminal for servo A/D, D/A.
19
ADAVSS
–
–
Earth terminal for serve A/D, D/A. To be connected to 0 V.
20
TD0
Output
ADAVDD/2
Output terminal for tracking control. D/A output.
21
FD0
Output
ADAVDD/2
Output terminal for focus control. D/A output.
22
SPD0
Output
ADAVDD/2
Output terminal for spindle control. D/A output.
23
SLD0
Output
ADAVDD/2
Output terminal for sled control. D/A output.
24*
GPDAC
Output
ADAVDD/2
Servo D/A general-purpose output terminal.
25
CONT4
Input/Output
Input Mode
General-purpose I/O terminal 4.
26
CONT5
Input/Output
Input Mode
General-purpose I/O terminal 5.
27*
SBCK/CONT6
Input/Output
Input Mode
General-purpose I/O terminal 6 or
Subcode reading clock input terminal.
28
SBCK/FG
Input
–
Subcode reading clock input terminal/FG signal input terminal/external
emphasis setting terminal. Terminal functions are set by commands. When
not used, connect to 0 V.
29*
DEFECT
Output
L
Defect terminal.
30*
V/*P
Output
H
Auto switching monitor output terminal for rough servo phase control.
“H”: rough servo, “L”: phase servo.
31*
FSEQ
Output
L
Sync signal detection output terminal.
The status changes to “H” when the sync signal detected in EFM and the
sync signal of internal generation are identified.
32*
MONI1
Output
L
Internal signal monitor terminal 1.
33*
MONI2
Output
L
Internal signal monitor terminal 2.
34*
MONI3
Output
L
Internal signal monitor terminal 3.
35*
MONI4
Output
L
Internal signal monitor terminal 4.
36*
MONI5
Output
L
Internal signal monitor terminal 5.
37
VSS
–
–
Digital system earth terminal. To be connected to 0 V.
38
VDD
Input
–
Digital system power terminal.
39*
DOUT
Output
L
Digital OUT output terminal. (EIAJ format)
40
TEST
Input
L
Input terminal for test. To be connected to 0 V.
41
LVDD
Input
–
Power supply for Left channel.
42
LCHO
Output
LVDD/2
Left channel output.
43
LVSS
–
–
GND for Left channel. Must be connected to 0 V.
Pin No.
Function
Terminal Name Input/Output Setting in Reset
Controlled by commands from the
microcomputer. When not used, set
them as input terminals and connect
to 0 V, or set them as output
terminals and leave open.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Left channel
D/A converter
For slice level
control.
