參數(shù)資料
型號: AD1981BLJSTZ
廠商: ANALOG DEVICES INC
元件分類: 消費家電
英文描述: AC 97 SoundMAX Codec
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: LEAD FREE, MS-026BBC, LQFP-48
文件頁數(shù): 10/32頁
文件大小: 326K
代理商: AD1981BLJSTZ
AD1981BL
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Rev. A | Page 10 of 32
0
NC = NO CONNECT
S
E
I
I
A
S
3
A
D
3
N
H
A
S
2
H
A
D
2
M
P
A
A
J
J
C
C
C
M
M
L
L
1
2
3
4
5
6
7
8
9
10
11
12
DV
DD
1
XTL_IN
XTL_OUT
DV
SS
1
SDATA_OUT
BIT_CLK
DV
SS
2
SDATA_IN
DV
DD
2
SYNC
RESET
NC
LINE_OUT_R
LINE_OUT_L
AV
DD
4
AV
SS
4
AFILT4
AFILT3
AFILT2
AFILT1
V
REFOUT
V
REF
AV
SS
1
AV
DD
1
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
AD1981BL
TOP VIEW
(Not to Scale)
Figure 9. 48-Lead LQFP Pin Configuration
Table 7. Pin Function Descriptions
Pin No.
DIGITAL I/O
2
3
5
6
Mnemonic
XTL_IN
XTL_OUT
SDATA_OUT
BIT_CLK
I/O Description
I
Crystal Input (24.576 MHz) or External Clock Input.
O
Crystal Output.
I
AC-Link Serial Data Output, AD1981BL Data Input Stream.
O/I AC-Link Bit Clock Output (12.288 MHz) or Bit Clock Input, if Secondary Mode
Selected.
O
AC-Link Serial Data Input, AD1981BL Data Output Stream.
I
AC-Link Frame Sync.
I
AC-Link Reset, AD1981BL Master Hardware Reset.
O
S/PDIF Output.
I
Chip Select Input 0 (Active Low). This pin can also be used as the chain input from a
secondary codec.
I
Chip Select Input 1 (Active Low).
I
Jack Sense 0 Input.
I
Jack Sense 1 Input.
O
External Amp Power-Down Control.
I
Phone Input. Mono input from telephony subsystem speaker phone or handset.
I
Auxiliary Input Left Channel.
I
Auxiliary Input Right Channel.
I
CD Audio Left Channel.
CD_GND_REF I
CD Audio Analog Ground Reference for Differential CD Input.
CD_ R
I
CD Audio Right Channel.
MIC1
I
Microphone 1 Input (Mono) or Left Channel when 2-Channel Mode Selected
(Stereo MIC).
8
10
11
48
CHIP SELECTS
1
45
SDATA_IN
SYNC
RESET
SPDIF
ID0
46
JACK SENSE AND EAPD
17
16
47
ANALOG I/O
13
14
15
18
19
20
21
ID1
JS0
JS1
EAPD
PHONE_IN
AUX_L
AUX_R
CD_L
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