(No.22023)1-27
• Pin function
Pin No.
Symbol
Function
1
LPC1
Laser pin input (DVD head)
2
LPCO1
Laser drive output (DVD head)
3
LPC2
Laser in input (CD head)
4
LPCO2
Laser drive output (CD head)
5
VFOSHORT VFOSHORT control
6
TBAL
Tracking balance control
7
FBAL
Focus balance control
8
POFLT
Track detection threshold level
9
DTRD
Data slice data read signal input (for RAM)
10
IDGT
Data slice address gate signal input (for RAM)
11
STANBY
Standby mode control
12
SEN
SEN (serial data input)
13
SCK
SCK(serial data input)
14
STDI
STDI(serial data I/O)
15
RSCL
Reference current setting
16
JLINE
J-line vurrent setting
17
TEN
Tracking error amplifier inverted input
18
TEOUT
Tracking error signal output
19
AGCBAL
Offset adjustment for DRC-1
20
ASOUT
Full addition signal output
21
FEN
Focus error amplifier inverted input
22
FEOUT
Focus error signal output
23
AGCOFST
Offeset adjustment for DRC-2
24
MON
Monitor
25
AGCLVL
Output amplitude adjustment for DRC
26
GND2
Ground 2
27
VREF2
VREF2 voltage output
28
VCC2
Power supply 2 (5V)
29
VHALF
VHALF voltage output
30
DFLTON
Filter amplifier inverted output
31
DFLTOP
Filter amplifier positive output
32
DCFLT
Filter output capacitance connection
33
GND3
Groud 3
34
RFDIFO
Raidal differntial output
35
RFOUT
RF full-addition amplifier output
36
VCC3
Power supply 3 (3.3V)
37
RFC
Filter for RF-group delay correction amplifier
38
DCRF
DC-cut filter for RF full-addition amplifier
39
OFTR
OFTR output
40
BDO
BDO output
41
RFENV
RF envelope output
42
BOTTOM
Bottom envelope detection filter
43
PEAK
Peak envelope detection filter
44
AGCG
AGC amplifier again control
45
AGCO
AGC amplifier level control