Pin Functions

No. 5014-4/20

LC8904Q

No.

Symbol

I/O

Function

1

DOUT/V

O

EIAJ data and validity flag output

2

EMPHA

O

Emphasis monitor output (High: emphasis applied)

3

RC1

I

CR oscillator input

4

RC2

O

CR oscillator output

5

CCB/SUB

I

Microprocessor interface selection input (High: CCB, low: SUB)

6

DGND

Digital system ground

7

CLKMD

I

Clock output switching (High: 256fs, low: 128fs)

8

CLK

I

Clock switching input (High: 512fs, low: 384fs)

9

TEST1

I

Test pin (Must be tied low during normal operation.)

10

TEST2

I

Test pin (Must be tied low during normal operation.)

11

XMODE

I

Reset input

12

Digital system power supply

13

NC

No connection

14

Analog system power supply

15

R

I

VCO oscillator band adjustment input

16

AGND

Analog system ground

17

VIN

I

VCO free-running frequency setting input

18

VCO

O

PLL low-pass filter connection

19

Digital system power supply

20

SBSY

O

CD subcode interface: block sync output

21

PW

O

CD subcode interface: data output

22

SFSY

O

CD subcode interface: frame sync output

23

SBCK

I

CD subcode interface: data read shift clock input

24

DGND

Digital system ground

25

Digital system power supply

26

XIN

I

Crystal oscillator input

27

XOUT

O

Crystal oscillator output

28

CLKOUT1

O

VCO and crystal oscillator clock output

29

CLKOUT2

O

256fs or 128fs clock output (selected by CLKMD)

30

ERROR

O

Error mute output

31

DGND

Digital system ground

32

SUB1

O

Sampling frequency monitor output

33

SUB2

O

Sampling frequency monitor output

34

BCLK

O

Bit clock output

35

DATAOUT

O

Audio data output

36

LRCK

O

L/R clock output (High: left channel, low: right channel)

37

LD/DQSY

O

Microprocessor interface: subcode Q data sync output

38

SRDT

O

Microprocessor interface: data output when CCB/SUB is low (3-state output)

39

DO

O

Microprocessor interface: data output when CCB/SUB is high (High-level open drain output)

40

DI/SWDT

I

Microprocessor interface: data input

41

CE/XLAT

I

Microprocessor interface: chip enable/latch input

42

CL/SCLK

I

Microprocessor interface: clock input

43

Digital system power supply

44

DIN1

I

Data input with built-in amplifier

45

DIN2

I

Data input with built-in amplifier

46

DIN3

I

Data input with built-in amplifier

47

DIN4

I

Data input with built-in amplifier

48

DGND

Digital system ground