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Cirrus Logic Crystal CDB8427 Manuals
Manuals and User Guides for Cirrus Logic Crystal CDB8427. We have
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Cirrus Logic Crystal CDB8427 manuals available for free PDF download: Preliminary Product Information, Manual
Cirrus Logic Crystal CDB8427 Preliminary Product Information (54 pages)
Digital Audio Interface Transceiver
Brand:
Cirrus Logic
| Category:
Transceiver
| Size: 0 MB
Table of Contents
Table of Contents
2
1 Characteristics and Specifications
5
Power and Thermal Characteristics
5
Absolute Maximum Ratings
5
Digital Characteristics
5
Switching Characteristics
6
Switching Characteristics - Serial Audio Ports
7
Figure 1. Audio Port Master Mode Timing
7
Figure 2. Audio Port Slave Mode and Data Input Timing
7
Switching Characteristics - Control Port - Spi Mode
8
Figure 3. SPI Mode Timing
8
Switching Characteristics - Control Port - I 2 C ® Mode
9
Figure 4. I 2 C Mode Timing
9
2 Typical Connection Diagram
10
Figure 5. Recommended Connection Diagram for Software Mode
10
3 General Description
11
4 Data I/O Flow and Clocking Options
11
AES3 Transmitter and Receiver
12
AES3 Receiver
12
PLL, Jitter Attenuation, Varispeed
12
OMCK System Clock Mode
12
PLL External Components
12
Figure 6. Jitter Attenuation Characteristics of PLL with 8 to 96 Khz Fs Filter Components-AES3
13
Table 1. PLL External Components Using AES3 Receiver
13
Table 2. PLL External Components Using ILRCK
14
Error Reporting and Hold Function
15
Channel Status Data Handling
15
User Data Handling
15
Non-Audio Auto-Detection
16
AES3 Transmitter
16
Transmitted Frame and Channel Status Boundary Timing
16
TXN and TXP Drivers
17
Mono Mode Operation
17
Receiver Mono Mode
17
Transmitter Mono Mode
17
Figure 10. Software Mode Audio Data Flow Switching Options
18
Figure 11. CS8427 Clock Routing
18
Figure 12. AES3 Input to Serial Audio Output, Serial Audio Input to AES3 out
19
Figure 13. AES3 Input to Serial Audio Output Only
19
Figure 14. Input Serial Port to AES3 Transmitter
19
Figure 15. AES3 Receiver Timing for U Pin Output Data
20
Figure 16. AES3 Transmitter Timing for C, U and V Pin Input Data
20
Figure 17. Serial Audio Input Example Formats
21
Figure 18. Serial Audio Output Example Formats
22
5 Control Port Description and Timing
23
SPI Mode
23
I 2 C Mode
23
Interrupts
24
Figure 19. Control Port Timing in SPI Mode
24
Figure 20. Control Port Timing in I2C Mode
24
6 Control Port Register Summary
25
Memory Address Pointer (MAP)
25
Table 3. Control Register Map Summary
25
7 Control Port Register Bit Definitions
26
Control 1 (1)
26
Control 2 (2)
27
Data Flow Control (3)
28
Clock Source Control (4)
29
Serial Audio Input Port Data Format (5)
30
Serial Audio Output Port Data Format (6)
31
Interrupt 1 Status (7) (Read Only)
32
Interrupt 2 Status (8) (Read Only)
32
Interrupt 1 Mask (9)
33
Interrupt 1 Mode MSB (10) & Interrupt 1 Mode LSB (11)
33
Interrupt 2 Mask (12)
33
Interrupt 2 Mode MSB (13) & Interrupt 2 Mode LSB (14)
33
Receiver Channel Status (15) (Read Only)
34
Receiver Error (16) (Read Only)
35
Receiver Error Mask (17)
36
Channel Status Data Buffer Control (18)
36
User Data Buffer Control (19)
37
Q-Channel Subcode Bytes 0 to 9 (20 - 29) (Read Only)
38
OMCK/RMCK Ratio (30) (Read Only)
38
C-Bit or U-Bit Data Buffer (32 - 55)
38
CS8427 I.D. and Version Register (127) (Read Only)
38
8 Pin Description - Software Mode
39
9 Hardware Mode Description
41
Serial Audio Port Formats
41
Figure 21. Hardware Mode
41
Table 4. Hardware Mode Start-Up Options
42
Table 5. Serial Audio Output Formats Available in Hardware Mode
42
Table 6. Serial Audio Input Formats Available in Hardware Mode
42
10 Pin Description - Hardware Mode
43
11 Applications
45
Reset, Power down and Start-Up
45
ID Code and Revision Code
45
Power Supply, Grounding, and PCB Layout
45
Synchronization of Multiple Cs8427S
46
12 Package Dimensions
47
13 Appendix A: External Aes3/Spdif/Iec60958 Transmitter and Receiver Components
49
13. Appendix A: External Aes3/Spdif/Iec60958
49
AES3 Transmitter External Components
49
Figure 22. Professional Output Circuit
49
Figure 23. Consumer Output Circuit
49
Figure 24. TTL/CMOS Output Circuit
49
AES3 Receiver External Components
50
Figure 25. Professional Input Circuit
50
Figure 26. Transformerless Professional Input Circuit
50
Figure 27. Consumer Input Circuit
50
Figure 28. TTL/CMOS Input Circuit
50
Isolating Transformer Requirements
50
14 Appendix B: Channel Status and User Data Buffer Management
51
AES3 Channel Status(C) Bit Management
51
Manually Accessing the E Buffer
51
Figure 29. Channel Status Data Buffer Structure
51
Reserving the First 5 Bytes in the E Buffer
52
Serial Copy Management System (SCMS)
52
Figure 30. Flowchart for Reading the E Buffer
52
Figure 31. Flowchart for Writing the E Buffer
52
Channel Status Data E Buffer Access
53
AES3 User (U) Bit Management
53
Mode 1: Transmit All Zeros
53
Mode 2: Block Mode
53
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Cirrus Logic Crystal CDB8427 Manual (14 pages)
Evaluation Board for the CS8427
Brand:
Cirrus Logic
| Category:
Computer Hardware
| Size: 0 MB
Table of Contents
Table of Contents
2
1 Overview
3
Cs8427
3
Micro-Controller and Memory
3
Crystal Oscillators
3
RS232 Port
3
LED Function Indicators
3
Table 1. System Connections
4
Table 2. CDB8427 Jumper Settings
4
2 Cdb8427.Exe Quick Start Guide
5
Setting up the Hardware
5
Installing the Software
5
Starting up the Software
5
Starting up the Hardware
5
3 Cdb8427.Exe User's Guide
6
Main Window
6
Figure 1. CDB8427 Control Panel Main Window
6
Board Setup
7
Script File Syntax
7
Figure 2. Board Setup Panel
7
Table 3. Script File Syntax Description
7
Figure 3. CS8427 Digital Audio Transceiver
8
Figure 4. Atmel AVR RISC Micro-Controller
9
Figure 5. Power Supplies and Reset Circuit
10
Figure 6. Silkscreen
11
Figure 7. Top PCB
12
Figure 8. Bottom PCB
13
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