LC89057W-VF4A-E datasheet(4/59 Pages) ONSEMI

Part #	LC89057W-VF4A-E

Description	Digital Audio Interface Transceiver

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LC89057W-VF4A-E

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Pin No.

Name

I/O

Function

25

DGND

Digital GND

26

DVDD

Digital power supply

27

XMCK

O

Oscillation amplifier output pin

28

XOUT

O

Quartz resonator connection output pin

29

XIN

I

Quartz resonator connection, input pin of external supply clock (24.576MHz or 12.288MHz)

30

DVDD

Digital power supply

31

DGND

Digital GND

32

EMPHA/UO/CO

I/O

Emphasis information || U data output || C data output || Chip address setting pin

33

AUDIO/VO

I/O

Non-PCM detection || V flag output || Chip address setting pin

34

CKST/PB

I/O

Output of clock switch transitional period signal || Preamble B output || Demodulation master or slave

function switch pin

35

INT

I/O

Interrupt output for Microcontroller (Possible to select an interrupt factor.) || Modulation or general-purpose

I/O switch pin

36

RERR

O

PLL clock error, data error flag output

37

DO

O

Microcontroller I/F, read data output pin (3-state)

38

DI

I5

Microcontroller I/F, write data input pin

39

CE

I5

Microcontroller I/F, chip enable input pin

40

CL

I5

Microcontroller I/F, clock input pin

41

XMODE

I5

System reset input pin

42

DGND

Digital GND

43

DVDD

Digital power supply

44

TMCK/PIO0

I/O

256fs or 128fs system clock input for modulation || 256fs or 512fs system clock input for external clock sync

function || General-purpose I/O pin

45

TBCK/PIO1

I/O

64fs bit clock input for modulation || General-purpose I/O pin

46

TLRCK/PIO2

I/O

fs clock input for modulation || General-purpose I/O pin

47

TDATA/PIO3

I/O

serial audio data input for modulation || General-purpose I/O pin

48

TXO/PIOEN

O/I

Modulation data output || General-purpose I/O enable input pin

1) Withstand voltage input/output: I or O

= -0.3 to 3.6V, I

5

= -0.3 to 5.5V

2) Pins 32 and 33 are input pins for chip address setting, when pin 41

= "L".

3) Pin 34 is a demodulation function master or an input pin for slave setting, when pin 41 = "L".

4) Pin 35 is a modulation function or an input pin for general-purpose I/O function switch setting, when pin 41 = "L".

5) ON/OFF for all power supplies must be done at the same timing as a latch-up countermeasure.

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