– 41 –
1
DEFI
I
Defect detection signal (DEF) input.
2
TAI
I
Test input. A pull-down resistor is built in. (Must be connected to 0V)
3
PDO
O
External VCO control phase comparator output.
4
VVSS
–
Internal VCO ground. (Must be connected to 0V)
5
ISET
I
PDO output current adjustment resistor connection.
6
VVDD
–
Internal VCO power supply.
7
FR
I
VCO frequency range adjustment.
8
VSS
–
Digital system ground. (Must be connected to 0V)
9
EFMO
O
Slice level control; EFM signal output.
10
EFMIN
I
Slice level control; EFM signal input.
11
T2
I
Test input. A pull-down resistor is built in. (Must be connected to 0V)
12
CLV+
O
Disc motor control output.
13
CLV–
Three-value ouput is also possible when specified by microprocessor command.
14
V/P
O
Rough servo/phase control automatic switching monitor output. H: Rough servo, L:phase servo.
15
HFL
I
Track detection signal input. This is a Schmitt input.
16
TES
I
Tracking error signal input. This is a Schmitt input.
17
TOFF
O
Tracking off output.
18
TGL
O
Tracking gain switching output. Increase the gain when low.
19
JP+
O
Track jump output.
20
JP–
Three-value output is also possible when specified by microprocessor command.
21
PCK
O
EFM data playback clock monitor. Outputs 4.3218 MHz when the phase is locked.
(Not connected)
Synchronization signal detection ouput. Outputs a high level when the synchronization signal
22
FSEQ
O
detected from the EFM signal and the internally generated synchronization signal agree.
(Not connected)
23
VDD
–
Digital system power supply.
24
SL+
O
Sled a signal output.
25
SL–
O
Sled advance - signal output.
Not connected.
I
CD pickup inside limit switch. When inside limit input "L", when CD-RW output "H".
Gain control.
De-emphasis monitor pin. De-emphasis disc is being played back at H. (Not connected)
C2 flag output. (Not connected)
Digital output (EIAJ format).
I
Test input. A pull-down resistor is built in. (Must be connected to 0V)
33
T4
34
NC
–
Not connected.
35
MUTEL
O
Left channel one-bit DAC L channel mute output. (Not connected)
36
LVDD
–
Left channel one-bit DAC L channel power supply.
37
LCHO
O
Left channel one-bit DAC L channel output.
38
LVSS
–
Left channel one-bit DAC L channel ground. (Must be connected to 0V)
Pin No.
Pin Name
I/O
Description
IC, LC78622ED
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