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CDB42L56
Cirrus Logic CDB42L56 Manuals
Manuals and User Guides for Cirrus Logic CDB42L56. We have
1
Cirrus Logic CDB42L56 manual available for free PDF download: Manual
Cirrus Logic CDB42L56 Manual (38 pages)
For CS42L56
Brand:
Cirrus Logic
| Category:
Motherboard
| Size: 4 MB
Table of Contents
Table of Contents
2
1 System Overview
4
Control Port and Board Configuration
4
Power
4
Digital Input
4
CS8416 S/PDIF Digital Audio Receiver
4
CS8421 Sample Rate Converter (Tx SRC to CS42L56)
5
Digital Output
5
CS8406 S/PDIF Digital Audio Transmitter
5
CS8421 Sample Rate Converter (Rx SRC from CS42L56)
5
Fpga
5
Oscillator
6
Pll
6
I/O Stake Headers
6
CS42L56 Audio Codec
6
Analog Inputs
6
Analog Outputs
7
Table 1. Analog Input Configuration Jumper and Resistor Settings
7
2 Quick-Start Guide
8
Figure 1. Quick-Start Board Layout
8
3 Configuration Options
9
S/PDIF in to Analog out and Analog in to S/PDIF out
9
Figure 2. S/PDIF in to Analog out and Analog in to S/PDIF out
9
PSIA in to Analog out and Analog in to PSIA out
10
Figure 3. PSIA in to Analog out and Analog in to PSIA out
10
4 Software Mode Control
11
Board Configuration Tab
12
Figure 4. Board Configuration Tab
12
Codec Configuration Tab
13
Figure 5. Codec Configuration Tab
13
Codec Analog Input Volume Tab
14
Figure 6. Codec Analog Input Volume Tab
14
Codec DSP Engine Tab
15
Figure 7. Codec DSP Engine Tab
15
Codec Analog Output Volume Tab
16
Figure 8. Codec Analog Output Volume Tab
16
Register Maps Tab
17
Figure 9. Register Maps Tab - CS42L56
17
5 Jumper Settings and System Connections
18
Table 2. System Connections
18
Table 3. Jumper Settings
19
6 Performance Plots
21
Figure 10. THD+N Vs. Freq. - Analog in to Digital out
21
Figure 11. THD+N Vs. Amplitude - Analog in to Digital out
21
Figure 12. FFT - Analog in to Digital out @ -1 Dbfs
21
Figure 13. FFT - Analog in to Digital out @ -60 Dbfs
21
Figure 14. FFT - Analog in to Digital out - no Input
22
Figure 15. FFT Crosstalk - Analog in to Digital out @ -1 Dbfs
22
Figure 16. Freq. Response - Analog in to Digital out
22
Figure 17. Fade-To-Noise Linearity - Analog in to Digital out
22
Figure 18. THD+N Vs. Freq. - Digital in to HP out
22
Figure 19. THD+N Vs. Amplitude - Digital in to HP out
22
Figure 20. THD+N Vs. Volume - Digital in to HP out
23
Figure 21. FFT - Digital in to HP out @ 0 Dbfs
23
Figure 20. FFT - Digital in to HP out @ -60 Dbfs
23
Figure 21. FFT - Digital in to HP out - no Input
23
Figure 22. FFT - Digital in to HP out - no Input Wideband
23
Figure 23. FFT Crosstalk - Digital in to HP out @ 0 Dbfs
23
Figure 24. Freq. Response - Digital in to HP out
24
Figure 25. Fade-To-Noise Linearity- Digital in to HP out
24
Figure 26. THD+N Vs. Freq. - Digital in to Line out
24
Figure 27. THD+N Vs. Amplitude - Digital in to Line out
24
Figure 28. THD+N Vs. Volume - Digital in to Line out
25
Figure 29. FFT Crosstalk - Digital in to Line out @ 0 Dbfs
25
Figure 28. FFT - Digital in to Line out @ 0 Dbfs
25
Figure 29. FFT - Digital in to Line out @ -60 Dbfs
25
Figure 30. FFT - Digital in to Line out - no Input
25
Figure 31. FFT - Digital in to Line out - no Input Wideband
25
Figure 32. Freq. Response - Digital in to Line out
26
Figure 33. Fade-To-Noise Linearity- Digital in to Line out
26
7 Cdb42L56 Block Diagram
27
Figure 34. Block Diagram
27
8 Cdb42L56 Schematics
28
Figure 35. CS42L56 & Analog I/O (Schematic Sheet 1)
28
Figure 36. S/PDIF & Digital Interface (Schematic Sheet 2)
29
Figure 37. PLL, Oscillator and External I/O Connections (Schematic Sheet 3)
30
Figure 38. Microcontroller and FPGA (Schematic Sheet 4)
31
Figure 39. Power (Schematic Sheet 5)
32
9 Cdb42L56 Layout
33
Figure 40. Silk Screen
33
Figure 41. Top-Side Layer
34
Figure 42. GND (Layer 2)
35
Figure 43. Power (Layer 3)
36
Figure 44. Bottom Side Layer
37
10 Revision History
38
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