STAC9704 Datasheet, PDF (3/49 Pages) Hynix Semiconductor – Multimedia Audio Codec for AC97

SigmaTel, Inc
STAC9704/7
Table of Contents
General Description
1
Ordering Information
2
1. PIN/SIGNAL Descriptions
8
1.1 Digital I/O
8
1.2 Analog I/O
9
1.3 Filter and Voltage References
10
1.4 Power and Ground Signals
11
2. AC-Link
11
2.1 Clocking
12
2.2 Reset
12
3. Digital Interface
12
3.1 AC-link Digital Serial Interface
Protocol
12
3.1.1 AC-link Audio Output Frame
(SDATA_OUT)
14
3.1.1.1 Slot 1: Command Address Port 16
3.1.1.2 Slot 2: Command Data Port 16
3.1.1.3 Slot 3: PCM Playback Left
Channel
16
3.1.1.4 Slot 4: PCM Playback Right
Channel
17
3.1.1.5 Slots 5-12: Reserved.
17
3.1.2 AC-link Audio Input Frame
(SDATA_IN)
17
3.1.2.1 Slot 1: Status Address Port
19
3.1.2.2 Slot 2: Status Data Port
19
3.1.2.3 Slot 3: PCM Record Left
Channel
19
3.1.2.4 Slot 4: PCM Record Right
Channel
19
3.1.2.5 Slots 5-12: Reserved
20
3.2 AC-link Low Power Mode
20
3.2.1 Waking up the AC-Link
21
3
4. STAC9704/7 Mixer
21
4.1 Mixer Input.
23
4.2 Mixer Output
23
4.3 PC Beep Implementations
23
4.4 Mixer Registers
24
4.4.1 Reset Register
25
4.4.2 Play Master Volume Registers 25
4.4.3 PC Beep Register
25
4.4.4 Analog Mixer Input Gain
26
4.4.5 Record Select Control
26
4.4.6 Record Gain Registers
28
4.4.7 General Purpose Register
28
4.4.8 3D Control Register
29
4.4.9 Powerdown Control/Status
29
5. Low Power Modes
30
6. Testability
32
7. AC Timing Characteristics
32
7.1 Cold Reset.
32
7.2 Warm Reset
33
7.3 Clocks
34
7.4 Data Setup and Hold
35
7.5 Signal Rise and Fall Times
36
7.6 AC-link Low Power Mode Timing 36
7.7 ATE Test Mode
37
8. Electrical Specifications
38
8.1 Absolute Maximum Ratings
38
8.2 Recommended Operating Conditions 38
8.3 Power Consumption
39
8.4 AC link Static Digital Specifications 39
8.5 9704 Analog Performance
Characteristics
40
8.6 9707 Analog Performance
Characteristics
42
APPENDIX A
44
APPENDIX B
45
10/02/98