STAC9758 Datasheet, PDF (41/119 Pages) Integrated Device Technology – HIGH-PERFORMANCE 6-CHANNEL AC’97 2.3 CODEC WITH UNIVERSAL JACKS

STAC9758/9759
HIGH-PERFORMANCE 6-CHANNEL AC’97 2.3 CODEC WITH UNIVERSAL JACKS™
PC AUDIO
5.4.3.
Slot 3: PCM Record Left Channel
Audio input frame slot 3 is the left channel output of STAC9758/9759 input MUX, post-ADC.
STAC9758/9759 ADCs are implemented to support 20-bit resolution.
The ADC can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
SPDIF_IN can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
5.4.4.
Slot 4: PCM Record Right Channel
Audio input frame slot 4 is the right channel output of STAC9758/9759 input MUX, post-ADC.
STAC9758/9759 ADCs are implemented to support 20-bit resolution.
The ADC can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
SPDIF_IN can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
5.4.5.
Slot 5: Modem Line 1 ADC
Audio input frame slot 5 is not used by the STAC9758/9759 and are always stuffed with 0s.
5.4.6.
Slot 6-9: ADC
The left and right ADC channels of the STAC9758/9759 may be assigned to slots 6&9 by Register
6Eh.
The ADC can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
SPDIF_IN can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
5.4.7.
Slots 7-8: Vendor Reserved
The left and right ADC channels of the STAC9758/9759 may be assigned to slots 7&8 by Register
6Eh.
The ADC can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
SPDIF_IN can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
5.4.8.
Slot 10 & 11: ADC
The left and right ADC channels of the STAC9758/9759 may be assigned to slots 10&11 by Register
6Eh.
The ADC can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
SPDIF_IN can be assigned to slots 3&4, 6&9, 7&8, or 10&11.
5.4.9.
Slot 12: Reserved
AC-Link input frame slot 12 contains the GPIO status inputs and allows for audio interrupts. Slot 12
can be used by the AC’97 CODEC if a modem CODEC is not present.
IDT™
41
HIGH-PERFORMANCE 6-CHANNEL AC’97 2.3 CODEC WITH UNIVERSAL JACKS™
STAC9758/9759
V 1.2 1206