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參數(shù)資料
| 型號： | LA9251M |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | QIP-64 |
| 文件頁數(shù)： | 12/17頁 |
| 文件大?。?/td> | 152K |
| 代理商： | LA9251M |
No. 6125-4/17
LA9251M
Continued from preceding page.
Pin No.
Pin
Function
25
SP–
In conjunction with the SPD pin, spindle phase compensation constant connection
26
SPD
Spindle control signal output
27
SLEQ
Sled phase compensation constant connection
28
SLD
Sled control signal output
29
SL–
Sled feed signal input from the microcontroller
30
SL+
Sled feed signal input from the microcontroller
31
OSC
Oscillator frequency setting
32
(NC)
No connection
33
SLOF
Sled servo off control input
34
TGRF
Tracking servo gain RF level follower function setting
35
SP8
Spindle 8 cm/12 cm mode switching control from the DSP
36
EFBAL
E/F balance adjustment signal input from the DSP
37
FSTA
Focus search control signal input from the DSP
38
LASER
Laser on/off control from the DSP
39
(NC)
No connection
40
TJP
Track jump signal input from the DSP
41
TGL
Tracking gain control signal input from the DSP
42
TOFF
Tracking off control signal input from the DSP
43
TES
TES signal output to the DSP
44
HFL
Output for the HFL signal that indicates whether the main beam is positioned over pits or mirror
45
CLV
CLV error signal input from the DSP
46
GND
47
RF
RF output
48
RF–
In conjunction with the RF pin, sets the RF gain and sets the EFM 3T compensation constant
49
SLC
Output for control of the data slice level according to the DSP
50
SLI
Input for control of the data slice level according to the DSP
51
DEF
Disc defect detection output
52
DRF
RF level detection output
53
FSC
Focus search smoothing capacitor output
54
TBC
E/F balance variation range setting
55
FSS
Focus search mode setting
56
VCC
57
REFI
Reference voltage bypass capacitor connection
58
VR
Reference voltage output
59
LF2
Disc defect detection time constant setting
60
PH1
RF signal peak hold capacitor connection
61
BH1
RF signal bottom hold capacitor connection
62
LDD
APC circuit output
63
LDS
APC circuit input
64
(NC)
No connection
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