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VT1616 6-Channel AC97 Codec with S/PDIF
Revision 1.5, October 11, 2002
4
Data Sheet
Table 1.Pin Description
Pin #
Symbol
Type
Description
1
DVCC1
P
Digital Supply Voltage, 3.3V only
2
XTL_IN
I
24.576 MHz Crystal or clock input
3
XTL_OUT
O
24.576 MHz Crystal
4
DGND1
P
Digital Ground
5
SDATA_OUT
I
AC’97 Serial Data Input Stream
6
BIT_CLK
I/O
12.288 MHz Serial Data Clock
7
DGND2
P
Digital Ground
8
SDATA_IN
O
AC’97 Serial Data Output Stream
9
DVCC2
P
Digital Supply Voltage, 3.3V only
10
SYNC
I
48 KHz FixedRate Sync Pulse
11
RESET#
I
AC’97 Master Reset
12
PC_BEEP
I
PC Speaker Beep Pass Through
13
PHONE
I
Telephony Subsystem Speakerphone
14
AUX_L
I
Auxiliary Audio Left Channel
15
AUX_R
I
Auxiliary Audio Right Channel
16
VIDEO_L
I
Video Audio Left Channel
17
VIDEO_R
I
Video Audio Right Channel
18
CD_L
I
CD Audio Left Channel
19
CD_GND
I
CD Audio Analog Ground
20
CD_R
I
CD Audio Right Channel
21
MIC1
I
Desktop Microphone
22
MIC2
I
SecondMicrophone
23
LINE_IN_L
I
Line In Left Channel
24
LINE_IN_R
I
Line In Right Channel
25
AVCC1
P
Analog Supply Voltage, 5V or 3.3V
26
AGND1
P
Analog Ground
27
VREF
I
Reference Voltage
28
VREF_OUT
O
Reference Voltage Output
29
AFLT1
O
Left Channel Anti-Aliasing Filter Capacitor
30
AFLT2
O
Right Channel Anti-Aliasing Filter Capacitor
31
NC
–
No Connect
32
CAP2
–
ADC Reference Voltage Capacitor
33
NC
–
No Connect
34
NC
–
No Connect
35
LINE_OUT_L
O
Line Out Left Channel
36
LINE_OUT_R
O
Line Out Right Channel
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