LC8901Q (QIP44M)

No. 4079-5/15

LC8901, 8901Q

Pin No.

Symbol

I/O

Pin function and circuit operation

1

DIN5

I

Data input pins without built-in amplifiers

2

DIN6

I

3

DOUT1

O

Input data through output

4

DOUT2

O

5

RC1

I

RC oscillator connection

6

RC2

O

7

LPF

I

High: LPF time constant switching mode, low: fixed mode. This pin is normally high.

8

STOP

I

High: VCO operation stopped, Low: normal operation

9

TEST1

I

Test pins (These pins are normally low.)

10

TEST2

I

11

—

Digital system power supply

12

—

Analog system power supply

13

R

I

VCO oscillator band adjustment

14

AGND

—

Analog system ground

15

VIN

I

VCO free-running oscillator setup

16

VCO

O

PLL low-pass filter

17

DGND

—

Digital system ground

18

CLK

I

Clock mode switching. High: 512fs, low: 384fs

19

XSYS

I

Crystal mode setting. High: crystal mode

20

XIN1

I

Crystal oscillator connection

21

XIN2

O

22

—

Digital system ground

23

LOCK

O

High: PLL locked, low: unlocked

24

ERROR

O

Error mute signal output

25

FS256

O

256fs clock output

26

CLKOUT

O

VCO oscillator and crystal oscillator clock output

27

EMPHA

O

High: emphasis present, low: no emphasis

28

DGND

—

Digital system ground

29

BCLK

O

Bit clock output

30

DATAOUT

O

Audio data output

31

LRCK

O

Left/right clock output. High: left channel, low: right channel

32

SUB1

O

Sampling frequency output

33

SUB2

O

34

DO

O

Microprocessor interface output

35

DI

I

Microprocessor interface input

36

CE

I

Microprocessor interface chip enable input

37

CL

I

Microprocessor interface clock input

38

XMODE

I

Used to start system operation after power on.

39

—

Digital system power supply

40

DIN1

I

41

DIN2

I

Data input pins with built-in amplifiers

42

DIN3

I

43

DIN4

I

44

DGND

—

Digital system ground