STAC9766XXTAEC1X IDT, Integrated Device Technology Inc, STAC9766XXTAEC1X Datasheet - Page 39

• Manufacturer Part Number: STAC9766XXTAEC1X
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of STAC9766XXTAEC1X

• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 3.135/4.75V
• Single Supply Voltage (max): 3.465/5.25V
• Package Type: TQFP
• Lead Free Status / RoHS Status: Compliant

IDT™
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
STAC9766/9767
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
5.6.
Slot Assignments for Audio
The AC-link input slots (transmitted to the Codec) are defined as follows:
The AC-link input slots (transmitted from the Codec) are defined as follows:
OUTGOING STREAMS
10-12 Double rate audio
(Controller output - SDATA_OUT)
INCOMING STREAMS
Slot
6, 7,
Slot
8, 9
Note: The DAC & ADC can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
3,4
3,4
10
11
12
0
1
2
5
0
1
2
5
6
(codec output - SDATA_IN)
SDATA_OUT TAG
Control CMD ADDR write port Read/write command bit plus 7-bit Codec register address
Control DATA write port
PCM L & R DAC playback
Modem Line 1 DAC
PCM Center, Rear, LFE
Modem Line 2 DAC
Modem handset DAC
Modem IO control
SDATA_IN TAG
STATUS ADDR read port
STATUS DATA read port
PCM L & R ADC record
Modem Line 1 ADC
Dedicated Microphone ADC
Figure 19. Bi-directional AC-link Frame with Slot assignments
TAG PHASE
S L O T S
S Y N C
Name
Name
TAG
TAG
Table 14. AC-link Input Slots From CODEC
0
Table 13. AC-link Input Slots To CODEC
STATUS
A D D R
ADDR
C M D
1
MSBs indicate which slots contain valid data
MSBs echo register address; LSBs indicate which slots request data
16-bit command register read data
16-bit PCM data from left and right inputs
16-bit modem data from modem line 1 input
16-bit PCM data from optional 3rd ADC input
MSBs indicate which slots contain valid data; LSBs convey Codec ID
16-bit command register write data
16, 18, or 20-bit PCM data for left and right channels
16-bit modem data for modem line 1 output
16, 18, or 20-bit PCM data for Center, L & R Rear, LFE channels
16-bit modem data for modem line 2 output
16-bit modem data for modem handset output
GPIO write port for modem control
Optional AC-link bandwidth for 88.2 or 96 kHz on L, C, R channels
STATUS
39
D A T A
C M D
DATA
2
LEFT
LEFT
PCM
PCM
3
P C M
P C M
4
RT
RT
L I N E 1
ADC
5
N A
D A T A P H A S E
P C M
P C M
CTR
MIC
6
Description
Description
STAC9766/9767
LSURR
Vendor
RSVD
PCM
7
Slot 12 can be used by the
AC'97 Codec if a Modem
Codec is not present.
R S U R R
Vendor
RSVD
PCM
8
Vendor
RSVD
P C M
LFE
9
SPDIF
L I N E 2
10
ADC
SPDIF
11
H S E T
A D C
PC AUDIO
V 7.4 12/06
S T A T U S
C T R L
12
IO
I O