Sanyo DC-DA370 IC102 LC78622NE Digital Signal Processor, Ic Block Diagram & Description, Function

Models: DC-DA370

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IC102 LC78622NE (Digital Signal Processor)

IC BLOCK DIAGRAM & DESCRIPTION

IC102 LC78622NE (Digital Signal Processor)

No.

Pin Name

I/O

Function

1

DEFI

I

Input terminal for detect signal of defect

2

TAI

I

Input terminal for test.

3

PDO

O

The phase comparison output terminal for

 

 

 

external VCO control.

4

VVSS

-

Ground terminal for built-in VCO

5

ISET

I

Resistance connection terminal for

 

 

 

electric current adjustment of PDO output.

6

VVDD

-

Built-in VCO power supply terminal.

7

FR

I

VCO frequency range adjustment.

8

VSS

-

Ground for Digital

9

EFMO

O

EFM signal output terminal for slice level control.

10

EFMIN

I

EFM signal input terminal for slice level control.

11

TEST2

I

TEST pin. Normal time is non connection.

12

CLV+

O

Output terminal for Disc motor control.

13

CLV-

O

Output terminal for Disc motor control.

14

V/P

O

Change of rough servo / phase control

 

 

 

Rough servo : "H", Phase control : "L"

15

HFL

I

Input terminal of track search signal.

16

TES

I

Input terminal of tracking error signal.

17

TOFF

O

Output terminal of tracking off.

18

TGL

O

Output terminal for change of tracking gain.

19

JP+

O

Output terminal for tracking jump control.

20

JP-

O

Output terminal for tracking jump control.

21

PCK

O

Clock monitor output terminal for EFM data

 

 

 

playback. (4.3218 MHz)

22

FSEQ

O

Output terminal for detect of SYNC signal.

23

DVDD

-

+5V

24

CONT1

I/O

 

25

CONT2

I/O

This output can control at serial control from

26

CONT3

I/O

micro processor.

27

CONT4

I/O

 

28

CONT5

I/O

 

29

EMPH

O

Output terminal of de-emphasis monitor .

 

 

 

"H" : de-emphasis

30

C2F

O

Output terminal of C2 flag

31

DOUT

O

Output terminal of digital out

No.

Pin Name

I/O

Function

32

TEST3

I

Test pin.

33

TEST4

I

Test pin.

34

NC

-

Non connection.

35

MUTEL

O

Mute output terminal for L-ch

36

LVDD

-

Power supply for L-ch

37

LCHO

O

Output terminal for L-ch

38

LVSS

-

GND for L-ch

39

RVSS

-

GND for R-ch

40

RCHO

O

Output terminal for R-ch

41

RVDD

-

Power supply for R-ch

42

MUTER

O

Mute output terminal for R-ch

43

XVDD

-

Power supply of crystal oscillation

44

XOUT

O

Connection terminal of crystal oscillation (16.9344MHz)

45

XIN

I

Connection terminal of crystal oscillation (16.9344MHz)

46

XVSS

-

GND of crystal oscillation

47

SBSY

O

Output terminal for synchronizing signal of

 

 

 

sub-cord block

48

EFLG

O

Output terminal for correction monitor of C1, C2,

 

 

 

Single and Double

49

PW

O

Output terminal for sub-cord of P, Q, R, S, T, U and W

50

SFSY

O

Output terminal for synchronizing signal of

 

 

 

sub-cord frame

51

SBCK

I

Input terminal for readout clock of sub-cord

52

FSX

O

Output terminal of Synchronizing signal (7.35kHz)

53

WRQ

O

Output terminal for standby of sub-cord Q output

54

RWC

I

Input terminal of read / write control

55

SQOUT

O

Output terminal of sub-cord Q

56

COIN

I

Input terminal of command from micro processor

57

CQCK

I

Clock input for reading sub-cord from SQOUT

58

RES

I

Reset (turn on : L)

59

TST11

O

Test pin

60

16M

O

16.9344MHz

61

4.2M

O

4.2336MHz

62

TEST5

I

Test pin

63

CS

I

Chip select terminal

64

TEST1

I

Test pin

 

 

 

 

 

 

 

 

TST11

TEST2

TEST4

 

 

 

EFMO

VVDD

VVSS

PDO ISET FR

PCK

TAI

TEST1

TEST3

TEST5

VDD VSS

 

9

6

4

3

5

7

21

2

59

64

11

32

33

62

23

8

DEFI 1

Slice level

 

VCO Clock Oscillator

 

 

 

2KA~8bit

 

 

RAM Address

EFMIN 10

Control

 

 

& Clock Control

 

 

 

 

RAM

 

 

 

Generatorl

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FSEQ 22

Syncrnous Detect

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Interpolalation Mute

 

 

30 C2F

EFM Demodulation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Billingual

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Digital Out

31 DOUT

CLV+ 12

 

 

CLV

 

 

 

 

 

 

 

 

 

 

C1 C2 Error Detect &

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLV- 13

Digital Servo

 

 

 

 

 

 

 

 

 

Correct Control Flag

 

 

 

 

 

Digital Attenuator

 

 

 

V/P 14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PW 49

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SBCK 51

Subcode Dxract

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Quadruple Over Sampling

 

 

 

SBSY 47

 

QCRC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Digital Filter

 

 

 

 

SFSY 50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CS 63

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WRQ 53

 

COM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1bit DAC

 

 

 

34 (NC)

SQOUT 55

 

Inter Fase

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CQCK 57

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COIN 56

Servo Commander

 

General Ports

 

 

 

 

X'tal Root

 

 

 

 

 

L.P.F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RWC 54

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Timing Generator

 

 

 

 

 

 

 

 

 

 

 

15

16

17

20

19

58

18

24

25

26

27

28

29

48

60

61

46

52

45

44

43

39

41

42

40

37

35

38

36

 

 

 

 

 

 

RVDD

 

 

 

HFL TES TOFF JP- JP+ RES TGL CONT1 CONT3 CONT5 EMPH EFLG

16M 4.2M FSX XIN XVDD

RCHO

LCHO MUTEL

LVDD

 

 

CONT2 CONT4

XVSS

XOUT

RVSS MUTER

LVSS

 

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Sanyo DC-DA370 service manual IC102 LC78622NE Digital Signal Processor, Ic Block Diagram & Description, Function