Cirrus Logic CS42426 Manuals

Manuals and User Guides for Cirrus Logic CS42426. We have 1 Cirrus Logic CS42426 manual available for free PDF download: Manual

Cirrus Logic CS42426 Manual (67 pages)

114 dB, 192 kHz 6-Ch Codec with PLL

Brand: Cirrus Logic | Category: Computer Hardware | Size: 1 MB

Table of Contents
2
Pin Descriptions
6
Typical Connection Diagrams
8
Figure 1. Typical Connection Diagram
8
Figure 2. Typical Connection Diagram Using the PLL
9
Applications
10
Overview
10
Analog Inputs
10
Line Level Inputs
10
Figure 3. Full-Scale Analog Input
10
External Input Filter
11
High Pass Filter and DC Offset Calibration
11
Analog Outputs
11
Line Level Outputs and Filtering
11
Interpolation Filter
12
Digital Volume and Mute Control
12
Figure 4. Full-Scale Output
12
ATAPI Specification
13
Figure 5. ATAPI Block Diagram (X = Channel Pair 1, 2, 3)
13
Clock Generation
14
PLL and Jitter Attenuation
14
Figure 6. Clock Generation
14
OMCK System Clock Mode
15
Master Mode
15
Slave Mode
15
Table 1. PLL External Component Values
15
Table 2. Common OMCK Clock Frequencies
15
Digital Interfaces
16
Serial Audio Interface Signals
16
Table 3. Common PLL Output Clock Frequencies
16
Table 4. Slave Mode Clock Ratios
16
Table 5. Serial Audio Port Channel Allocations
17
Serial Audio Interface Formats
18
Figure 7. Right Justified Serial Audio Formats
18
Figure 8. I 2 S Serial Audio Formats
19
Figure 9. Left Justified Serial Audio Formats
19
Figure 10. One Line Mode #1 Serial Audio Format
20
Figure 11. One Line Mode #2 Serial Audio Format
20
ADCIN1/ADCIN2 Serial Data Format
21
Figure 12. ADCIN1/ADCIN2 Serial Audio Format
21
One Line Mode(OLM) Configurations
22
Figure 13. OLM Configuration #1
22
Figure 14. OLM Configuration #2
23
Figure 15. OLM Configuration #3
24
Figure 16. OLM Configuration #4
25
Control Port Description and Timing
26
SPI Mode
26
Figure 17. Control Port Timing in SPI Mode
26
I2C Mode
27
Figure 18. Control Port Timing, I2C Slave Mode Write
27
Figure 19. Control Port Timing, I2C Slave Mode Read
27
Interrupts
28
Reset and Power-Up
29
Power Supply, Grounding, and PCB Layout
29
Register Quick Reference
30
Register Description
32
Memory Address Pointer (MAP)
32
Chip I.D. and Revision Register (Address 01H) (Read Only)
32
Power Control (Address 02H)
33
Functional Mode (Address 03H)
33
Interface Formats (Address 04H)
34
Table 6. DAC De-Emphasis
34
Table 7. Digital Interface Formats
35
Table 8. ADC One_Line Mode
35
Table 9. DAC One_Line Mode
35
Misc Control (Address 05H)
36
Clock Control (Address 06H)
37
Table 10. RMCK Divider Settings
37
Table 11. OMCK Frequency Settings
38
Table 12. Master Clock Source Select
38
OMCK/PLL_CLK Ratio (Address 07H) (Read Only)
39
Clock Status (Address 08H) (Read Only)
39
Table 13. PLL Clock Frequency Detection
39
Volume Control (Address 0Dh)
40
Channel Mute (Address 0Eh)
41
Volume Control (Addresses 0Fh, 10H, 11H, 12H, 13H, 14H)
42
Channel Invert (Address 17H)
42
Mixing Control Pair 1 (Channels A1 & B1)(Address 18H) Mixing Control Pair 2 (Channels A2 & B2)(Address 19H) Mixing Control Pair 3 (Channels A3 & B3)(Address 1Ah)
42
Table 14. Example Digital Volume Settings
42
Table 15. ATAPI Decode
44
ADC Left Channel Gain (Address 1Ch)
45
ADC Right Channel Gain (Address 1Dh)
45
Interrupt Control (Address 1Eh)
45
Table 16. Example ADC Input Gain Settings
45
Interrupt Status (Address 20H) (Read Only)
46
Interrupt Mask (Address 21H)
47
Interrupt Mode MSB (Address 22H) Interrupt Mode LSB (Address 23H)
47
Mutec Pin Control (Address 28H)
47
General Purpose Pin Control (Addresses 29H to 2Fh)
48
Characteristics and Specifications
50
Specified Operating Conditions
50
Absolute Maximum Ratings
50
Analog Input Characteristics
51
A/D Digital Filter Characteristics
52
Figure 20. Single Speed Mode Stopband Rejection
53
Figure 21. Single Speed Mode Transition Band
53
Figure 22. Single Speed Mode Transition Band (Detail)
53
Figure 23. Single Speed Mode Passband Ripple
53
Figure 24. Double Speed Mode Stopband Rejection
53
Figure 25. Double Speed Mode Transition Band
53
Figure 26. Double Speed Mode Transition Band (Detail)
54
Figure 27. Double Speed Mode Passband Ripple
54
Figure 28. Quad Speed Mode Stopband Rejection
54
Figure 29. Quad Speed Mode Transition Band
54
Figure 30. Quad Speed Mode Transition Band (Detail)
54
Figure 31. Quad Speed Mode Passband Ripple
54
Analog Output Characteristics
55
D/A Digital Filter Characteristics
56
Figure 32. Single Speed (Fast) Stopband Rejection
57
Figure 33. Single Speed (Fast) Transition Band
57
Figure 34. Single Speed (Fast) Transition Band (Detail)
57
Figure 35. Single Speed (Fast) Passband Ripple
57
Figure 36. Single Speed (Slow) Stopband Rejection
57
Figure 37. Single Speed (Slow) Transition Band
57
Figure 38. Single Speed (Slow) Transition Band (Detail)
58
Figure 39. Single Speed (Slow) Passband Ripple
58
Figure 40. Double Speed (Fast) Stopband Rejection
58
Figure 41. Double Speed (Fast) Transition Band
58
Figure 42. Double Speed (Fast) Transition Band (Detail)
58
Figure 43. Double Speed (Fast) Passband Ripple
58
Figure 44. Double Speed (Slow) Stopband Rejection
59
Figure 45. Double Speed (Slow) Transition Band
59
Figure 46. Double Speed (Slow) Transition Band (Detail)
59
Figure 47. Double Speed (Slow) Passband Ripple
59
Figure 48. Quad Speed (Fast) Stopband Rejection
59
Figure 49. Quad Speed (Fast) Transition Band
59
Figure 50. Quad Speed (Fast) Transition Band (Detail)
60
Figure 51. Quad Speed (Fast) Passband Ripple
60
Figure 52. Quad Speed (Slow) Stopband Rejection
60
Figure 53. Quad Speed (Slow) Transition Band
60
Figure 54. Quad Speed (Slow) Transition Band (Detail)
60
Figure 55. Quad Speed (Slow) Passband Ripple
60
Switching Characteristics
61
Figure 56. Serial Audio Port Master Mode Timing
61
Figure 57. Serial Audio Port Slave Mode Timing
61
Switching Characteristics - Control Port - I2C Format
62
Figure 58. Control Port Timing - I2C Format
62
Switching Characteristics - Control Port - Spi Format
63
Figure 59. Control Port Timing - SPI Format
63
DC Electrical Characteristics
64
Digital Interface Characteristics
64
Parameter Definitions
65
References
66
Package Dimensions
67
Thermal Characteristics
67

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