– 31 –
1
DEFI
I
Defect detection signal (DEF) input. ("L" is applied when not used.)
2
TAI
I
For PLL/Test input. (Connected to 0V)
3
PDO
O
Phase comparison output to control the external VCO.
4
VVSS
–
Ground of the built-in VCO. Normally 0V.
5
ISET
I
For the connection of a resistor which adjusts the PDO output current.
6
VVDD
–
Power supply of the built-in VCO.
7
FR
I
Adjusts the VCO frequency range.
8
VSS
–
Ground of digital circuits. Normally 0V.
9
EFMO
O
For slice level control/EFM signal output.
10
EFMIN
I
EFM signal input.
11
T2
I
Test input. A pull-down resistor is incorporated. (Connected to 0V)
12
CLV+
O
Disc motor control tri-state output.
13
CLV–
14
V/P–
O
Output to monitor the automatic switching between the rough servo control and phase servo
control. "H" : Rough servo, "L": Phase servo.
15
HFL
I
Track detection signal input. Schmitt trigger input.
16
TES
I
Track error signal input. Schmitt trigger input.
17
TOFF
O
Tracking off output.
18
TGL
O
Tracking gain switching output. "L" raises the gain.
19
JP+
O
Track jump control tri-state output.
20
JP–
21
PCK
O
Monitors the clock signal for EFM data playback. 4.3218MHz when the phase is locked.
(Not used)
22
FSEQ
O
Sync signal detection output. Goes "H" when the sync signal detected from the EFM
signal matches the sync signal generated internally. (Not used)
23
VDD
–
Power supply of digital circuits.
24
SL+
O
Controlled by serial data command issued by the microprocessor.
25
SL–
O
Controlled by serial data command issued by the microprocessor.
Prevent high speed rotation of no recording CD-R/RW disc by watch V/P.
CD pickup inside limit switch.
CD-RW disc select control.
Deemphasis monitor. "H": when playing a deemphasis disc. (Not used)
C2 flag output. (Not used)
Output a digital OUT signal. (EIAJ format)
Test input. (Connected to 0V)
33
T4
34
PCCL
–
Not used.
35
MUTE-L
O
Lch 1-bit DAC/Lch muting output. (Not used)
36
LVDD
–
Lch power supply.
37
O-LCH
O
Lch output.
38
LVSS
–
Lch ground. Normally 0V.
39
RVSS
–
Rch 1-bit DAC/Rch ground. Normally 0V.
Description
Pin No.
Pin Name
I/O
IC DESCRIPTION
IC, LC78622NE
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
