Cirrus-logic CS4970x4 Manual de usuario Pagina 115
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Valorado. / 5. Basado en revisión del cliente
Elements of a Project
CS4953x4/CS4970x4 System Designer’s Guide
DS810UM6 Copyright 2013 Cirrus Logic, Inc 8-5
COM mode — Selects the serial communication protocol (SPI or I
2
C).
8.3.2 Search paths Page
The Search paths page is used to define the search paths for specified ULDs and CFGs. The search is
performed first under subdirectories named for the supported versions (listed in the General page), then
directly in the specified directories. The search is performed in the order in which the paths are specified
in the list.
Figure 8-3. DSP Condeser Wizard, Search paths Page
- CS4953x4/CS4970x4 1
- Contents 3
- P.2.1 Chip Features 13
- CS4953x4 14
- P.4 Firmware Overview 17
- P.4.2 DSP Condenser 18
- P.5.1 Power and Ground 18
- P.5.2 PLL Filter 19
- P.5.3 Clocking 20
- P.5.4 Control 21
- P.6 CS4970x4 Pin Assignments 22
- CS4970x4 Pin Assignments 23
- P.7 CS4953x4 Pin Assignments 30
- CS4953x4 Pin Assignments 31
- Chapter 1 39
- Operational Modes 39
- 1.1 Overview 39
- Operational Mode Selection 40
- Table 1-1. Operation Modes 40
- 1.3.1.1 Master Boot Protocol 45
- SPI Port 48
- 2.4.2 SPI Bus Dynamics 49
- 2.4.3 SPI Messaging 50
- 2.4.3.2 SPI Write Protocol 51
- 2.4.3.4 SPI Read Protocol 52
- 2.4.3.5 SCP1_IRQ Behavior 55
- 2.5.1 I 56
- C System Bus Description 56
- 2.5.2 I 57
- C Bus Dynamics 57
- I2C Port 58
- Figure 2-10. I 58
- C Address with ACK and NACK 58
- Figure 2-14. I 61
- C Write Flow Diagram 61
- Figure 2-15. I 63
- C Read Flow Diagram 63
- M S S M S M S M S M M 65
- 3.2.1 DAI Pin Description 67
- 3.2.3 BDI Port 69
- 3.2.4 Digital Audio Formats 69
- DAI Hardware Configuration 70
- 3.4.1 DSD Pin Description 73
- 4.2.1 DAO Pin Description 75
- Figure 4-2. I 77
- 4.2.6 S/PDIF Transmitter 83
- SDRAM Controller 86
- S, HCLK = 10 MHz 89
- S*150MHz)/16 = 146.44 = 0x93 89
- 6.1.1.1 SPDIF Clocking 92
- 6.1.2.1 HDMI Clocking 92
- 7.2.1 Firmware Modules 94
- 7.2.2 Overlay Architecture 94
- Firmware Messaging 95
- 7.3 Firmware Messaging 95
- 7.4.2 DSP_CFG_xxx Registers 100
- 7.4.3 Status Registers 105
- Legacy API Still in Use 106
- 7.5 Legacy API Still in Use 106
- Index Variable Description 107
- 7.6.1 Overview 109
- OS Firmware Module 110
- Overview 111
- Development Flow 112
- 8.2 Development Flow 112
- Elements of a Project 114
- 8.3 Elements of a Project 114
- Creating a Flash Image 125
- 8.5 Creating a Flash Image 125
- Using DSP Condenser 127
- 8.6 Using DSP Condenser 127
- 8.7 Creating a Flash Image 130
- Figure 8-19. CDM Window 134
- Host Activity 138
- 8.9 Host Activity 138
- 9.1.1 Usage 140
- Figure 9-4. Run Runtime GUI 141
- Runtime GUI Current Project 142
- Figure 9-7. Connection Group 142
- Figure 9-8. Command Group 143
- Figure 9-9. DSP Status Group 144
- Introduction 150
- List of Questions and Answers 151
- C.1.1 DTS 96/24 154
- and DTS-ES 154
- Revision History 162
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