AD1888 데이터 시트보기 (PDF) - Analog Devices

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AD1888

AC ’97 SoundMAX® Codec

Analog Devices 

PIN CONFIGURATION

48-Lead LQFP

AD1888

48 47 46 45 44 43 42 41 40 39 38 37

DVDD1 1

XTL_IN 2

XTL_OUT 3

DVSS1 4

SDATA_OUT 5

BIT_CLK 6

DVSS2 7

SDATA_IN 8

DVDD2 9

SYNC 10

RESET 11

NC 12

AD1888

TOP VIEW

(Not to Scale)

36 LINE_OUT_R (FRONT_R)

35 LINE_OUT_L (FRONT_L)

34 AVDD4

33 AVSS4

32 LFE_OUT

31 CENTER_OUT

30 AFILT2

29 AFILT1

28 VREFOUT

27 VREF

26 AVSS1

25 AVDD1

NC = NO CONNECT

13 14 15 16 17 18 19 20 21 22 23 24

Pin Number

Mnemonic

DIGITAL INPUT/OUTPUT

2

XTL_IN

3

XTL_OUT

5

SDATA_OUT

6

BIT_CLK

8

SDATA_IN

10

SYNC

11

RESET

48

SPDIF

CHIP SELECTS/CLOCK STRAPPING

45

ID0

46

ID1

JACK SENSE AND EAPD

47

EAPD

17

JS0

16

JS1

PIN FUNCTION DESCRIPTIONS

I/O Function

I Crystal Input (24.576 MHz) or External Clock In (24.576 MHz,

14.31818 MHz, or 48000 MHz).

O Crystal Output.

I AC-Link Serial Data Output. AD1888 input stream.

O/I AC-Link Bit Clock. 12.288 MHz serial data clock. (Input pin for

Secondary mode only.)

O AC-Link Serial Data Input. AD1888 output stream.

I AC-Link Frame Sync.

I AC-Link Reset. AD1888 master H/W reset.

O SPDIF Output.

I Chip Select Input 0 (Active Low).

I Chip Select Input 1 (Active Low).

O EAPD Output.

I Jack Sense 0 Input.

I Jack Sense 1 Input.

REV. 0

–7–

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