LA9250M Datasheet, PDF (4/17 Pages) Sanyo Semicon Device – CD Player Analog Signal Processor (ASP)

LA9250M
Continued from preceding page.
Pin No.
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Pin
SP^–
SPD
SLEQ
SLD
SL^–
SL⁺
OSC
(NC)
SLOF
TGRF
SP8
EFBAL
FSTA
LASER
(NC)
TJP
TGL
TOFF
TES
HFL
CLV
GND
RF
RF^–
SLC
SLI
DEF
DRF
FSC
TBC
FSS
V_CC
REFI
VR
LF2
PH1
BH1
LDD
LDS
(NC)
Function
In conjunction with the SPD pin, spindle phase compensation time constant connection
Spindle control signal output
Sled phase compensation time constant connection
Sled control signal output
Sled feed signal input from the microcontroller
Sled feed signal input from the microcontroller
Oscillator frequency setting
No connection
Sled servo off control input
Tracking servo gain RF level follower function setting
Spindle 8 cm/12 cm mode switching control from the DSP
E/F balance adjustment signal input from the DSP
Focus search control signal input from the DSP
Laser on/off control from the DSP
No connection
Track jump signal input from the DSP
Tracking gain control signal input from the DSP
Tracking off control signal input from the DSP
TES signal output to the DSP
Output for the HFL signal that indicates whether the main beam is positioned over pits or mirror
CLV error signal input from the DSP
GND
RF output
In conjunction with the RF pin, sets the RF gain and sets the EFM 3T compensation
Output for control of the RF waveform data slice level according to the DSP
Input for control of the RF waveform data slice level according to the DSP
Disc defect detection output
RF level detection output
Focus search smoothing capacitor output
E/F balance variation range setting
Focus search mode setting
V_CC
Reference voltage bypass capacitor connection
Reference voltage output
Disc defect detection time constant setting
RF signal peak hold capacitor connection
RF signal bottom hold capacitor connection
APC circuit output
APC circuit input
No connection
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