AD1986 查看數據表（PDF） - Analog Devices

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AD1986

AC ’97 SoundMAX CODEC

Analog Devices 

PIN CONFIGURATION AND FUNCTION DESCRIPTION

AD1986

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

DVDD 1

AC97CK 2

GPO 3

DVSS 4

SDATA_OUT 5

BIT_CLK 6

DVSS 7

SDATA_IN 8

DVDD 9

SYNC 10

RESET 11

PCBEEP 12

PIN 1

IDENTIFIER

AD1986

TOP VIEW

(Not to Scale)

36 SURR_OUT_R

35 SURR_OUT_L

34 AVDD

33 VREF_OUT (C/LFE)

32 LFE_OUT

31 CENTER_OUT

30 AVSS

29 VREF_OUT (LINE_IN)

28 VREF_OUT (MIC_1/2)

27 VREF_FILT

26 AVSS

25 AVDD

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

Figure 9. Pin Configuration

Table 23. Pin Function Descriptions

Mnemonic

Pin Number

AC ’97CK

2

SDATA_OUT

5

BIT_CLK

6

SDATA_IN

8

SYNC

10

RESET

11

Input/Ouput

I

I

O

I/O

I

I

Description

External Clock In (14.31818 MHz).

AC Link Serial Data Output. Input Stream.

AC Link Bit Clock. 12.288 MHz Serial Data Clock.

AC Link Serial Data Input. Output Stream.

AC Link Frame Sync .

AC Link Reset. Master Hardware Reset.

Table 24. Digital Input/Output

Pin

Mnemonic Number

Input/

Output

S/PDIF_OUT 48

O

EAPD

47

O

GPO

3

O

Description

S/PDIF Output.

External Amplifier Power-Down Output.

General-Purpose Output pin. A digital signal that can be used to control external circuitry.

Table 25. Jack Sense

Mnemonic

JACK_SENSE_A

JACK_SENSE_B

Pin Number

16

17

Input/Ouput Description

I

JackSense 0–3 Input

I

Jack Sense 4–7 Input

Rev. 0 | Page 13 of 52

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