AD1986A Analog Devices, AD1986A Datasheet - Page 10

• Manufacturer Part Number: AD1986A
• Description: HD Audio SoundMAX Codec
• Manufacturer: Analog Devices

www.DataSheet4U.com
DataSheet U .com
AD1986A
PIN CONFIGURATION AND FUNCTION DESCRIPTION
Table 16. Pin Function Descriptions
Mnemonic
AC ’97CK
SDATA_OUT
BIT_CLK
SDATA_IN
SYNC
RESET
Table 17. Digital Input/Output
Mnemonic
S/PDIF_OUT
EAPD
GPO
Table 18. Jack Sense
Mnemonic
JACK_SENSE_A
JACK_SENSE_B
4
Pin
Number
48
47
3
Pin Number
2
5
6
8
10
11
Input/
Output
O
O
O
SDATA_OUT
Pin Number
16
17
Description
S/PDIF Output.
External Amplifier Power-Down Output. In HD audio mode this is part of LINE_OUT widget.
General-Purpose Output Pin. A digital signal that can be used to control external circuitry.
SDATA_IN
BIT_CLK
PCBEEP
AC97CK
RESET
SYNC
DV
DV
DV
DV
GPO
DD
SS
SS
DD
Input/Ouput
I
I
I/O
I/O
I
I
10
11
12
1
2
3
4
5
6
7
8
9
48 47 46 45 44
13 14 15 16 17 18 19 20 21 22 23 24
PIN 1
IDENTIFIER
Figure 2. Pin Configuration
(Not to Scale)
Rev. 0 | Page 10 of 56
AD1986A
TOP VIEW
43 42 41 40
Description
External Clock In (14.31818 MHz) for AC ’97 Operation. Clock or DVSS
must be stable before reset deasserts.
Tied to digital ground for HD audio operation.
Link Serial Data Output. Input Stream.
Link Bit Clock, 12.288 MHz Serial Data Clock Output for AC ‘97, 24
MHz Input for HD Audio.
Link Serial Data Input. Output stream.
Link Frame Sync.
Link Reset, Master Hardware Reset.
Input/Ouput
I
I
39 38 37
36
35
34
33
32
31
30
29
28
27
26
25
SURR_OUT_R
SURR_OUT_L
AV
VREF_OUT (C/LFE)
LFE_OUT
CENTER_OUT
AV
VREF_OUT (LINE_IN)
VREF_OUT (MIC_1/2)
VREF_FILT
AV
AV
DD
SS
SS
DD
Description
JackSense 0–3 Input.
Jack Sense 4–7 Input.