AD1980 Analog Devices, AD1980 Datasheet - Page 7

• Manufacturer Part Number: AD1980
• Description: AD1980 AC'97 SoundMAX® Codec W/spdif W/eq
• Manufacturer: Analog Devices

Pin Number
DIGITAL INPUT/OUTPUT
2
3
5
6
8
10
11
48
CHIP SELECTS/CLOCK STRAPPING
45
46
JACK SENSE AND EAPD
47
17
16
ANALOG INPUT/OUTPUT
13
14
15
18
19
20
21
22
23
24
31
32
35
36
37
39
41
FILTER/REFERENCE
27
28
29
30
REV. 0
Mnemonic
XTL_IN
XTL_OUT
SDATA_OUT
BIT_ CLK
SDATA_IN
SYNC
RESET
SPDIF
ID0
ID1
EAPD
JS0
JS1
PHONE_IN
AUX_L
AUX_R
CD_L
CD_GND_REF
CD_ R
MIC1
MIC2
LINE_IN_L
LINE_IN_R
CENTER_OUT
LFE_OUT
LINE_OUT_L
LINE_OUT_R
MONO_OUT
SURR_OUT_L/HP_OUT_L
SURR_OUT_R/HP_OUT_R
V
V
AFILT1
AFILT2
REF
REFOUT
PIN FUNCTION DESCRIPTIONS
I/O
I
O
I
O/I
O
I
I
O
I
I
O
I
I
I
I
I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
Surround or Front Headphone Right Channel Output
Function
Crystal Input (24.576 MHz) or External Clock In (24.576 MHz,
14.31818 MHz or 48000 MHz)
Crystal Output
AC-Link Serial Data Output. AD1980 Input Stream.
AC-Link Bit Clock. 12.288 MHz serial data clock. (Input pin, for
Secondary mode only.)
AC-Link Serial Data Input. AD1980 Output Stream.
AC-Link Frame Sync
AC-Link Reset. AD1980 Master H/W Reset.
SPDIF Output
Chip Select Input 0 (Active Low). This pin can also be used as the
chain input from a secondary Codec.
Chip Select Input 1 (Active Low)
EAPD Output
Jack Sense 0 Input
Jack Sense 1 Input
Monaural Line-Level Input
Auxiliary Input, Left Channel
Auxiliary Input, Right Channel
CD Audio Left Channel
CD Audio Analog Ground Reference for Differential CD Input
CD Audio Right Channel
Microphone #1 Input (Left Channel when 2-Channel Mode Selected)
Microphone #2 Input (Right Channel when 2-Channel Mode Selected)
Line-In Left Channel
Line-In Right Channel
Center Channel Output
Low Frequency Enhanced Output
Line-Out (Front) Left Channel
Line-Out (Front) Right Channel
Monaural Output to Telephone Subsystem Speakerphone
Surround or Front Headphone Left Channel Output
Voltage Reference Filter
Voltage Reference Output 5 mA Drive (intended for MIC bias)
Antialiasing Filter Capacitor—ADC Right Channel
Antialiasing Filter Capacitor—ADC Left Channel
–7–
AD1980