19
Pin No.
Pin Name
I/O
Description
1
VCC2
Power supply output.
2
SHOCK
O
SHOCK/RFNG output terminal.
3
SLCO
O
Slice level output terminal of HF signal.
4
SLCIST
I
Bias resistance terminal of slice level adjustment amplifier.
5
EFMIN
I
HF signal input terminal.
6
RESET
I
System Reset.
7
HFL
I
Track detection signal input terminal.
8
TEST2
I
Test input terminal. (Connected to VCC)
9
PDO
O
Electric current charging pump output terminal of VCEC.
10
VCVSS
Ground terminal for VCEC.
11
FR
I
Bias resistance terminal of VCEC oscillation frequency.
12
ISET
I
Bias resistance terminal of VCEC electric current charging pump.
13
VCVDD
Power supply terminal for VCEC.
14
AVSS1
Ground terminal for digital servo.
15
PEAK
I
PEAK signal input terminal.
16
BOTTOM
I
BOTTOM signal input terminal.
17
ABCD
I
Main beam light amount of signal input terminal.
18
TE
I
Tracking error signal input.
19
FE
I
Focus error signal input terminal.
20
VC
I
Intermediate electric potential input terminal.
21
AVDD1
Power supply terminal for digital servo.
22
DSW1
O
Disc mode switch output.
23
DSW0
O
Disc mode switch output.
24
SGC
O
AGC control signal output terminal.
25
AOFFSET
O
ABCD offset control signal output terminal.
26
FOFFSET
O
Focus offset control signal output terminal.
27
TOFFSET
O
Tracking offset control signal output terminal.
28
TBAL
O
Tracking balance control signal output terminal.
29
LDREF
O
Laser control signal output.
30
VSS
Ground terminal.
31
VDD
Internal power supply terminal.
32
FBAL
O
Focus balance control signal output terminal. (Not used)
33
SPPWMF
O
Spindle PWM output.
34
SPPWMR
O
Spindle PWM output.
35
MD7
I/O
Data input and output terminal to DRAM. (Not used)
36
MD6
37
MRAS
I/O
Data input and output terminal to DRAM.
38
MWE
I/O
Data input and output terminal to DRAM.
39
VCC2
Power supply terminal.
40
MD1
I/O
Data input and output terminal to DRAM.
41
NC
O
Not connected.
42
MD0
I/O
Data input and output terminal to DRAM.
IC, LC896431
