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IC DESCRIPTION-2/3 (LC78622ED)-1/2
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3 7 63 1515 0
Pin No.
Pin Name
1
DEFI
2
TAI
3
PDO
4
VVSS
5
ISET
6
VVDD
7
FR
8
VSS
9
EFMO
10
EFMIN
11
T2
12, 13
CLV+, CLK-
___
14
V/P
15
HFL
16
TES
17
TOFF
18
TGL
19, 20
JP+, JP-
TE
L 13942296513
21
PCK
22
FSEQ
23
VDD
24
SL+
25
SL-
26
—
27
PUIN
28
RW
29
EMPH
30
C2F
31
DOUT
32, 33
T3, T4
34
N.C.
35
MUTEL
36
LVDD
37
LCHO
38
LVSS
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39
RVSS
40
RCHO
41
RVDD
.
42
MUTER
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I/O
I
Defect sense signal (DEF) input pin. (Connect to 0V when not used)
I
Test signal input pin with built-in pull-down resistor. Be sure to connect to 0V.
O
Phase comparator output pin to control external VCO.
—
GND pin for built-in VCO. Be sure to connect to 0V.
For PLL.
I
Pin to which external resistor adjusting the PD0 output current.
—
Power supply pin for built-in VCO.
I
Pin for VCO frequency range adjustment.
—
Digital system GND. Be sure to connect to 0V.
O
For slice level control.
I
I
Test signal input pin with built-in pull-down resistor. Be sure to connect to 0V.
O
Disc motor control output. Three level output is possible using command.
Rough servo or phase control automatic selection monitoring output pin. Rough servo at H.
O
Phase servo at L.
I
Track detect signal input pin. Schmidt input.
I
Tracking error signal input pin. Schmidt input.
O
Tracking OFF output pin.
O
Tracking gain selection output pin. Gain boost at L.
O
Track jump control signal output pin. Three level output is possible using command.
O
EFM data playback clock monitoring pin 4.3218 MHz when phase is locked in. (Not connected)
Sync signal detection output pin. H when the sync signal which is detected from EFM signal and
O
thesync signal which is internally generated agree. (Not connected)
—
Digital system power supply pin.
O
Moves the sled to outer circumference.
O
Moves the sled to inner circumference.
—
Not connected.
I
CD pickup inner switch detection.
O
Read, wright signal.
O
De-emphasis monitor output pin. De-emphasis disc is being played back at H. (Not connected)
O
C2 flag output pin. (Not connected)
O
DIGITAL OUT output pin. (EIAJ format) (Not connected)
I
Test signal input pin with built-in pull-down resistor. Be sure to connect to 0V.
—
Not used. Set the pin to open.
O
—
L-channel 1-bit DAC.
O
—
—
x
ao
u163
O
y
R-channel 1-bit DAC.
—
i
O
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2 9
8
Description
EFM signal output pin.
EFM signal input pin.
Q Q
3
6 7
1 3
1 5
L-channel mute output pin.
L-channel power supply pin.
L-channel output pin.
L-channel GND. Be sure to connect to 0V.
R-channel GND. Be sure to connect to 0V.
co
R-channel output pin.
R-channel power supply pin.
.
R-channel mute output pin. (Not connected)
-25-
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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