STAC9752A Datasheet, PDF (44/106 Pages) Integrated Device Technology – AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK

STAC9752A/9753A
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PC AUDIO
Slot
10
11
12
10-12
Table 13. AC-Link Output Slots Dedicated To CODEC
Name
Modem Line 2 DAC
Modem handset DAC
Modem IO control
Double rate audio
Description
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
The AC-link input slots (transmitted from the Codec) are defined as follows:
Figure 20. AC-Link Input Slots Dedicated To CODEC
Slot
Name
0
SDATA_IN TAG
1 STATUS ADDR read port
2 STATUS DATA read port
3,4 PCM L & R ADC record
5
Modem Line 1 ADC
6 Dedicated Microphone ADC
7,8,9
Vendor reserved
10
Modem Line 2 ADC
11
Modem handset input
12
Modem IO status
Description
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
Vendor specific (enhanced input for docking, array mic, etc)
16-bit modem data from modem line 2 input
16-bit modem data for modem handset input
GPIO read port for modem control
Note: The DAC & ADC can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
The AC-Link output slots dedicated to audio are defined as follows:
Slot
3
4
6
7
8
9
10:11
12
Table 14. AC-Link Output Slots Dedicated To Audio
Name
PCM L DAC playback
PCM R DAC playback
PCM Center
PCM L Surround
PCM R Surround
PCM LFE
SPDIF Out
Reserved
Description
20-bit PCM data for left channel
20-bit PCM data for right channel
20-bit PCM data for Center channel
20-bit PCM data for L Surround channel
20-bit PCM data for R Surround channel
20-bit PCM data for LFE channel
20-bit SPDIF Output
Reserved
IDT™
44
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
STAC9752A/9753A
V 1.5 1206