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IC DESCRIPTION-1/1 (LC78646)-1/3
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
EF
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, 26
CONT4, 5
27
SBCK/CONT6
28
SBCK/FG
29
DEFECT
30
V/P
31
FSEQ
32-36
MONI1-5
www
37
VSS
38
VDD
39
DOUT
.
40
TEST
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I/O
O
I
Slice level control
I
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 output 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.
O
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)
I/O
General-purpose input/output pin 4, 5.
General-purpose input/output pin 6,
I/O
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)
Rouge servo/phase control automatic switching monitor output pin.
O
ÒHÓ for rough servo and ÒLÓ 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 agree. (Not connected)
O
Internal signal monitor pin 1-5. (Not connected)
—
Digital ground pin. Must be connected to 0V.
x
ao
u163
—
Digital power supply pin.
y
O
Digital OUT output pin. (Not connected)
i
I
Test input pin. Must be connected to 0V.
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2 9
8
Description
Control output.
SLCO output current adjustment resistor connection pin.
RF signal input pin.
Q Q
3
6 7
1 3
1 5
Controlled by commands from the microprocessor.
Any of these that are unused must be either set up as
input pin ports and connected to 0V, or set up as
output pin ports and left open.
co
.
-17-
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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