LA9242M 查看數據表（PDF） - SANYO -> Panasonic
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LA9242M Datasheet PDF : 20 Pages
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LA9242M
Pin Functions
Pin No.
Symbol
1
FIN2
2
FIN1
3
E
4
F
5
TB
6
TE–
7
TE
8
TESI
9
SCI
10
TH
11
TA
12
TD–
13
TD
14
JP
15
TO
16
FD
17
FD–
18
FA
19
FA–
20
FE
21
FE–
22
AGND
23
NC
24
SP
25
SPG
26
SP–
27
SPD
28
SLEQ
29
SLD
30
SL–
31
SL+
32
JP–
33
JP+
34
TGL
35
TOFF
36
TES
37
HFL
38
RW
39
CV–
40
CV+
41
RFSM
42
RFS–
43
SLC
44
SLI
45
DGND
46
FSC
47
TBC
48
NC
49
DEF
50
CLK
51
CL
52
DAT
53
CE
Contents
Pickup photodiode connection pin. Added to FIN1 pin to generate the RF signal, subtracted from FIN1 pin to generate
the FE signal.
Pickup photodiode connection pin.
Pickup photodiode connection pin. Subtracted from pin F to generate the TE signal.
Pickup photodiode connection pin.
TE signal DC component input pin.
Pin which connects the TE signal gain setting resistor between this pin and TE pin.
TE signal output pin.
TES (Track Error Sense) comparator input pin. The TE signal is input through a bandpass filter.
Shock detection input pin.
Tracking gain time constant setting pin.
TA amplifier output pin.
Pin for configuring the tracking phase compensation constant between the TD and VR pins.
Tracking phase compensation setting pin.
Tracking jump signal (kick pulse) amplitude setting pin.
Tracking control signal output pin.
Focusing control signal output pin.
Pin for configuring the focusing phase compensation constant between the FD and FA pins.
Pin for configuring the focusing phase compensation constant between the FD– and FA– pins.
Pin for configuring the focusing phase compensation constant between the FA and FE pins.
FE signal output pin.
Pin which connects the FE signal gain setting resistor between this pin and FE pin.
Analog signal GND.
No connection
CV+ and CV– pins input signal single-end output.
12-cm spindle mode gain setting resistor connection pin.
Spindle phase compensation constant connection pin, along with the SPD pin.
Spindle control signal output pin.
Sled phase compensation constant connection pin.
Sled control signal output pin.
Input pin for sled movement signal from microcontroller.
Input pin for sled movement signal from microcontroller.
Input pin for tracking jump signal from DSP.
Input pin for tracking jump signal from DSP.
Input pin for tracking gain control signal from DSP. Gain is low when TGL is high.
Input pin for tracking off control signal from DSP. Tracking servo is off when TOFF is high.
Output pin for TES signal to DSP.
The High Frequency Level is used to determine whether the main beam is positioned over a bit or over the mirrored
surface.
Input pin for gain setting, according to CD or RW disc. Gain is high (RW disc mode), when RW is low.
Input pin for CLV error signal from DSP.
Input pin for CLV error singal from DSP.
RF output pin.
RF gain setting and EFM signal 3T compensation constant setting pin, along with the RFSM pin.
Slice Level Control is an output pin that controls the data slice level used by the DSP for the RF waveform.
Input pin used by DSP for controlling the data slice level.
Digital system GND pin.
Focus search smoothing capacitor output pin.
Tracking Balance Control ; EF balance adjustment variable range setting pin.
No connection
Disc defect detection output pin.
Reference clock input pin. 4.23MHz signal from the DSP is input.
Microprocessor command clock input pin.
Microprocessor command data input pin.
Microprocessor command chip enable input pin.
Continued on next page.
No.7097–4/20
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