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IC DESCRIPTION-1/1 (LC78645NE)-1/2
QQ
3 7 63 1515 0
Pin No.
Pin Name
1
SLCO
2
SLCIST
3
EFMIN
4
RF
5
RFVDD
6
RFVSS
7
FIN1
8
FIN2
9
TIN1
10
TIN2
11
VREF
12
REFI
13
FE
14
TEC
15
TE
16
RFMON
17
JITTC
18
ADAVDD
19
ADAVSS
TE
L 13942296513
20
TDO
21
FDO
22
SPDO
23
SLDO
24
GPDAC
25
CLOSE
26
OPEN
27
SBCK/CONT6
28
SBCK/FG
29
DEFECT
30
V/P
31
FSEQ
32-36
MONI1-5
37
VSS
www
38
VDD
39
DOUT
40
TEST
.
41
LVDD
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I/O
O
Control output.
I
SLCO output current adjustment resistor connection pin.
I
RF signal input pin.
O
RF monitor pin.
—
RF power supply pin.
—
RF ground pin. Must be connected to 0V
I
A+C signal input pin.
I
B+D signal input pin.
I
E signal input pin.
I
F signal input pin.
O
VREF voltage output pin.
I
Reference voltage setting pin.
O
FE signal monitor pin.
O
TE signal LPF capacitor connection pin.
O
TE signal monitor pin.
O
RF internal signal monitor pin.
—
Jitter detection capacitor connection pin.
—
Servo A/D, D/A supply pin.
—
Servo A/D, D/A ground pin. Must be connected to 0V.
O
Tracking control output pin. D/A output.
O
Focus control output pin. D/A output.
O
Spindle control output pin. D/A output.
O
Thread control output pin. D/A output.
O
Servo D/A general-purpose output pin. (Not connected)
O
Output pin4. (Tray close)
O
Output pin5. (Tray open)
I/O
General-purpose input/output pin6, or subcode read clock input pin.
Subcode read clock input pin/FG signal input pin/external emphasis setting pin.
I
Set to command-pin function. Must be connected to 0V.
O
Defect pin. (Not connected)
Rough servo/phase control automatic switching monitor output pin.
O
"H" for rough servo and "L" for phase servo. (Not connected)
Synchronization signal detection output pin.
O
Outputs a high level when the synchronization signal detected from the EFM signal and the
internally generated synchronization signal a agree. (Not connected)
O
Internal signal monitor pin1-5. (Not connected)
—
Digital ground pin. Must be connected to 0V.
—
Digital power supply pin.
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O
Digital OUT output pin.
y
I
Test input pin. Must be connected to 0V.
i
—
L channel power supply pin.
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2 9
8
Description
Q Q
3
6 7
1 3
1 5
co
.
-16-
9 4
2 8
0 5
8
2 9
9 4
2 8
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9 9
9 9
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