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IC, LC78622ED
DEFI
Defect detection signal (DEF) input
|
tar
Test input. A pull-down resistor is built in. Must be connected to OV.
Pin No.
|
poo
=| o'|
External VCO control phase comparator output.
Internal VCO ground. Must be connected to 0V
VVSS
ISET
VVDD
PDO output current adjustment resistor connection.
|
vss
|
Digital system ground. Must be connected to OV.
Internal VCO power supply.
EFMO
VCO frequency range adjustment.
Slice level control; EFM signal output.
EFMIN
Slice level control; EFM signal] input
Test input. A pull-down resistor is built in. Must be connected to OV.
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fo
during rough servo and a low level during phase control.
Disc motor control output.
Three-value ouput is also possible when specified by microprocessor command.
Rough servo/phase control automatic switching monitor output. Outputs a high level
Ne
BRL
- <4
Track detection signal input. This is a Schmitt input.
|
TES
Tracking error signal input. This is a Schmitt input.
TOFF
Tracking off output.
Tracking gain switching output. Increase the gain when low
TAI
VSS
T2
vip
HFL
TES
TGL
Track jump output
Three-value output is also possible when specified by microprocessor command.
VDD
SL+
SL-
NC
NC
C2F
T3
T4
NC
EFM data playback clock monitor. Outputs 4.3218 MHz when the phase is locked.
(Not used)
1
1
1
1
2
2
Synchronization signal detection ouput. Outputs a high level when the synchronization
FSEQ
signal detected from the EFM signal and the internally generated synchronization signal
agree. (Not used)
Digital system power supply.
Serial data command sled signal output terminal from microprocessor.
PU IN
etl
CD pickup inside limit switch.
Not used.
De-emphasis monitor pin. A high level indicates playback of a de-emphasis disk.
(Not used)
C2 flag output. (Not used)
Digital output (EIAJ format).
EMPH
ier
a ae Ee
ea eae
ae ae
at
eo
eee ES
Eee
eo
Test input. A pull-down resistor is built in, Must be connected to OV.
Unused. Must be left open.
Left channel one-bit D/A converter mute output.
MUTEL
LVDD
7
10
11
12
13
14
15
6
7
8
9
0
1
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Left channel one-bit D/A converter power supply.
—5§3-—
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