Ic block diagram & description – Sanyo DC-DA370 User Manual

Page 14

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IC102 LC78622NE (Digital Signal Processor)

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

EFMO

VV

DD

VV

SS

PDO ISET FR

PCK

TAI

TST11

TEST1

TEST3 TEST5

TEST2

TEST4

V

DD

V

SS

C2F

DOUT

(NC)

LV

DD

LV

SS

MUTEL

LCHO

MUTER

RV

DD

RV

SS

RCHO

XV

DD

XOUT

XIN

FSX

XV

SS

4.2M

16M

EFLG

EMPH

CONT5

CONT4

CONT3

CONT2

CONT1

TGL

RES

JP+

JP-

TOFF

TES

HFL

RWC

COIN

CQCK

SQOUT

WRQ

CS

SFSY

SBSY

SBCK

PW

V/P

CLV-

CLV+

FSEQ

EFMIN

DEFI

10

22

1

12

13

14

49

51
47

50

63

53

55

57

56

54

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

34

31

30

9

21

6

4

3

5

7

2

59 64 11

32 33 62

8

23

Slice level

Control

Subcode Dxract

QCRC

Syncrnous Detect

EFM Demodulation

VCO Clock Oscillator

& Clock Control

X'tal Root

Timing Generator

RAM Address

Generatorl

2KA~8bit

RAM

Billingual

Digital Out

General Ports

Digital Attenuator

Quadruple Over Sampling

Digital Filter

Interpolalation Mute

C1 C2 Error Detect &

Correct Control Flag

1bit DAC

L.P.F

CLV

Digital Servo

µ

COM

Inter Fase

Servo Commander

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

IC BLOCK DIAGRAM & DESCRIPTION

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