Cirrus Logic CS4970x4 manuales

Cirrus logic CS4970x4 Manual de usuario (162 paginas)

Marca: Cirrus-logic | Categoria: Hardware | Tamaño: 5.40 MB |

Inglés

Tabla de contenidos

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

Cirrus logic CS4970x4 Manual de usuario (31 paginas)

Marca: Cirrus-logic | Categoria: Hardware | Tamaño: 0.84 MB |

Inglés

Tabla de contenidos

CS4970x4 Data Sheet

1

Table of Contents

2

List of Figures

3

List of Tables

3

1 Documentation Strategy

4

2 Overview

4

3 Code Overlays

5

4.1 Coyote DSP Core

6

4.2 On-chip DSP Peripherals

7

4.3 DSP I/O Description

8

5.1 Absolute Maximum Ratings

8

DS752F1 12

12

Internal DCLK frequency

12

Internal DCLK period

12

SCP_MISO

14

SCP_MOSI

14

C Slave Mode

15

C Master Mode

16

DS752F1 18

18

DAI_SCLK

21

DAI_DATAn

21

DAO_SCLK

23

DAO_LRCLK

23

DS752F1 24

24

DS752F1 25

25

DS752F1 26

26

6 Ordering Information

27

CS497xx4

28

9 Package Mechanical Drawings

29

10 Revision History

30

DS752F1 31

31

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