LA9220M 查看數據表（PDF） - SANYO -> Panasonic

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LA9220M

Analog Signal Processor Circuit (ASP) for CD Players

SANYO -> Panasonic 

LA9220M

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

SP

24

SPI

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

SLOF

39

CV–

40

CV+

41

RFSM

42

RFS–

43

SLC

44

SLI

45

DGND

46

VC–

47

VCOC

48

VCO

49

DEF

50

CLK

51

CL

52

DAT

53

CE

Contents

Pickup photodiode connection pin. Added to pin FIN1 to generate the RF signal, subtracted from pin FIN1 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 to which the TE signal gain setting resistor is connected 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.

Pin to connect to the servo high-pass elimination capacitor.

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 to which the FE signal gain setting resistor is connected between this pin and FE pin.

Analog signal GND.

CV+ and CV– pin input signal single-end output.

Spindle amplifier input.

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 microprocessor.

Input pin for sled movement signal from microprocessor.

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.

Sled servo off control input pin.

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.

VCO control amplifier input pin. Configures PLL loop filter along with VCOC and PDO of DSP.

VCO control output pin.

VCO output pin.

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.5188–4/20

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