alc269qsrs-gr Realtek Semiconductor Corporation, alc269qsrs-gr Datasheet - Page 29

• Manufacturer Part Number: alc269qsrs-gr
• Description: High Definition Audio Codec With Embedded Class D Speaker Amplifier
• Manufacturer: Realtek Semiconductor Corporation

7.3.3.
controller
High Definition Audio Codec with Embedded
Class D Speaker Amplifier
BCLK
SYNC
Exit from Reset
RST#
SDIx
The codec will stop driving the SDI during this turnaround period
The controller releases the SDI after the CAD has been assigned
Normal operation state
The codec drives SDI high at the last bit of SYNC to request a Codec Address (CAD) from the
The controller drives SDI to assign a CAD to the codec
Codec Initialization Sequence
Connection Frame
Frame SYNC
Drives SDIx
Codec
1
Turnaround
( 477 BCLK
2
Codec
Max.)
Figure 14. Codec Initialization Sequence
Turnaround Frame
(Non-48kHz Frame)
3
Frame SYNC
Controller Drives SDIx
21
SD0 SD1
4
5
(Non-48kHz Frame)
SD14
Address Frame
6
( 477 BCLK
Turnaround
Controller
Max.)
7
Track ID: JATR-1076-21
8
Frame SYNC
Codec Drives SDIx
Normal Operation
Datasheet
Response
ALC269
Rev. 1.1