la9251m Sanyo Semiconductor Corporation, la9251m Datasheet - Page 4

• Manufacturer Part Number: la9251m
• Description: Cd Player Analog Signal Processor Asp
• Manufacturer: Sanyo Semiconductor Corporation

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
LASER
EFBAL
TGRF
SLEQ
SLOF
FSTA
TOFF
OSC
GND
REFI
SPD
(NC)
(NC)
DEF
DRF
FSC
TBC
LDD
(NC)
SLD
SP8
TGL
TES
HFL
CLV
SLC
FSS
V
PH1
BH1
LDS
SP
SL
SL
TJP
RF
LF2
SLI
Pin
RF
VR
CC
–
–
+
–
In conjunction with the SPD pin, spindle phase compensation constant connection
Spindle control signal output
Sled phase compensation 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 constant
Output for control of the data slice level according to the DSP
Input for control of the 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
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
CC
LA9251M
Function
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