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CDB43L22
User Manuals: Cirrus Logic CDB43L22 Evaluation Board
Manuals and User Guides for Cirrus Logic CDB43L22 Evaluation Board. We have
1
Cirrus Logic CDB43L22 Evaluation Board manual available for free PDF download: Manual
Cirrus Logic CDB43L22 Manual (32 pages)
Evaluation Board for CS43L22
Brand:
Cirrus Logic
| Category:
Motherboard
| Size: 4 MB
Table of Contents
Table of Contents
2
1 System Overview
4
Power
4
Grounding and Power Supply Decoupling
4
Fpga
4
Cs43L22
4
CS8416 Digital Audio Receiver
5
Oscillator
5
I/O Stake Headers
5
Analog Inputs
5
Analog Outputs
5
Control Port Connectors
6
USB Connector
6
2 Quick Start Guide
7
3 Configuration Options
8
SPDIF in to Headphone or Line out
8
Figure 1.SPDIF in to Headphone or Line out
8
Table 1. SPDIF in to Headphone or Line out Performance Plots
8
SPDIF in to Stereo Speaker out
9
Figure 2.SPDIF in to Stereo Speaker out
9
Table 2. SPDIF in to Stereo Speaker out Performance Plots
9
SPDIF in to Mono Speaker out
10
Figure 3.SPDIF in to Mono Speaker out
10
Table 3. SPDIF in to Mono Speaker out Performance Plots
10
4 Software Mode Control
11
Board Configuration Tab
12
Figure 4.Board Configuration Tab
12
Passthrough, Power and Serial Audio Interface Configuration Tab
13
Figure 5.Passthrough, Power and Serial Audio Interface Configuration Tab
13
DSP Engine Tab
14
Figure 6.DSP Engine Tab
14
Analog and PWM Output Volume Tab
15
Figure 7.Analog and PWM Output Volume Tab
15
Register Maps Tab
16
Figure 8.Register Maps Tab - CS43L22
16
5 System Connections and Jumpers
17
Table 4. System Connections
17
6 Jumper Settings
18
Table 5. Jumper Settings
18
7 Cdb43L22 Block Diagram
19
Figure 9.Block Diagram
19
8 Cdb43L22 Schematics
20
Figure 10.CS43L22 & Analog I/O (Schematic Sheet 1)
20
Figure 11.S/PDIF & Digital Interface (Schematic Sheet 2)
21
Figure 12.Micro & FPGA Control (Schematic Sheet 3)
22
Figure 13.Power (Schematic Sheet 4)
23
9 Cdb43L22 Layout
24
Figure 14.Silk Screen
24
Figure 15.Top-Side Layer
25
Figure 16.GND (Layer 2)
26
Figure 17.Power (Layer 3)
27
Figure 18.Bottom-Side Layer
28
10 Performance Plots
29
Figure 19.FFT - S/PDIF Input to HP Output @ -1 Dbfs
29
Figure 20.FFT - S/PDIF Input to HP Output @ -60 Dbfs
29
Figure 21.THD+N Vs. HP Output Power
29
Figure 22.Freq. Resp. - S/PDIF Input to HP Output
29
Figure 23.THD+N - S/PDIF Input to HP Output
29
Figure 24.Dynamic Range- S/PDIF Input to HP Output
29
Figure 25.FFT - S/PDIF in to Speaker out @ 0 Dbfs
30
Figure 27.Frequency Response - S/PDIF in to Speaker out
30
Figure 29.THD+N Vs. Output Power (Stereo)
30
11 Revision History
31
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