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QQ
IC, LC78622NE
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
CLV+
13
CLV–
14
V/P
15
HFL
16
TES
17
TOFF
18
TGL
19
JP+
TE
L 13942296513
20
JP–
21
PCK
22
FSEQ
23
VDD
24
SL+
25
SL–
26
NC
27
PU IN
28
CD R/W
29
EMPH
30
C2F
31
DOUT
32
T3
33
T4
www
34
NC
35
MUTEL
.
36
LVDD
http://www.xiaoyu163.com
I/O
I
Defect detection signal (DEF) input.
I
Test input. A pull-down resistor is built in. Must be connected to 0V.
O
External VCO control phase comparator output.
–
Internal VCO ground. Must be connected to 0V.
O
PDO output current adjustment resistor connection.
–
Internal VCO power supply.
–
VCO frequency range adjustment.
–
Digital system ground. Must be connected to 0V.
O
Slice level control; EFM signal output.
I
Slice level control; EFM signal input.
I
Test input. A pull-down resistor is built in. Must be connected to 0V.
Disc motor control output.
O
Three-value ouput is also possible when specified by microprocessor command.
Rough servo/phase control automatic switching monitor output. Outputs a high level
O
during rough servo and a low level during phase control.
I
Track detection signal input. This is a Schmitt input.
I
Tracking error signal input. This is a Schmitt input.
O
Tracking off output.
O
Tracking gain switching output. Increase the gain when low.
Track jump output.
O
Three-value output is also possible when specified by microprocessor command.
EFM data playback clock monitor. Outputs 4.3218 MHz when the phase is locked.
O
(Not used)
Synchronization signal detection ouput. Outputs a high level when the synchronization
O
signal detected from the EFM signal and the internally generated synchronization signal
agree. (Not used)
–
Digital system power supply.
O
Serial data command sled signal output terminal from microprocessor.
–
Not used.
I
CD pickup inside limit switch.
O
CD R/W gain ON/OFF signal.
De-emphasis monitor pin. A high level indicates playback of a de-emphasis disk.
O
(Not used)
O
C2 flag output. (Not used)
O
Digital output (EIAJ format). (Not used)
I
Test input. A pull-down resistor is built in. Must be connected to 0V.
–
Not connected.
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O
Left channel one-bit D/A converter mute output. (Not used)
i
–
Left channel one-bit D/A converter power supply.
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2 9
8
Description
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3
6 7
1 3
1 5
co
.
– 27 –
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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