SAA7370 datasheet(5/60 Pages) PHILIPS

Part #	SAA7370

Description	Digital servo processor and Compact Disc decoder CD7

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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5 / 60 page

1998 Feb 26

5

Philips Semiconductors

Product speciﬁcation

Digital servo processor and

Compact Disc decoder (CD7)

SAA7370

6

PINNING

SYMBOL

DESCRIPTION

VSSA1

1(1)

analog ground 1

VDDA1

2(1)

analog supply voltage 1

D1

3

unipolar current input (central diode signal input)

D2

4

unipolar current input (central diode signal input)

D3

5

unipolar current input (central diode signal input)

VRL

6

reference voltage input for ADC

D4

7

unipolar current input (central diode signal input)

R1

8

unipolar current input (satellite diode signal input)

R2

9

unipolar current input (satellite diode signal input)

IrefT

10

current reference output for ADC calibration

VRH

11

reference voltage output from ADC

VSSA2

12(1)

analog ground 2

SELPLL

13

selects whether internal clock multiplier PLL is used

ISLICE

14

current feedback output from data slicer

HFIN

15

comparator signal input

VSSA3

16(1)

analog ground 3

HFREF

17

comparator common mode input

Iref

18

reference current output pin (nominally 0.5VDD)

VDDA2

19(1)

analog supply voltage 2

TEST1

20

test control input 1; this pin should be tied LOW

CRIN

21

crystal/resonator input

CROUT

22

crystal/resonator output

TEST2

23

test control input 2; this pin should be tied LOW

CL16

24

16.9344 MHz system clock output

CL11

25

11.2896 or 5.6448 MHz clock output (3-state)

RA

26

radial actuator output

FO

27

focus actuator output

SL

28

sledge control output

TEST3

29

test control input 3; this pin should be tied LOW

VDDD1(P)

30(1)

digital supply voltage 1 for periphery

DOBM

31

bi-phase mark output (externally buffered; 3-state)

VSSD1

32(1)

digital ground 1

MOTO1

33

motor output 1; versatile (3-state)

MOTO2

34

motor output 2; versatile (3-state)

SBSY

35

subcode block sync output (3-state)

SFSY

36

subcode frame sync output (3-state)

RCK

37

subcode clock input

SUB

38

P-to-W subcode bits output (3-state)

VSSD2

39(1)

digital ground 2

V5

40

versatile output pin 5

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SAA7370 Datasheet(PDF) 5 Page - NXP Semiconductors

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