Cirrus Logic CS53L30 manuali

Cirrus logic CS53L30 Manuale Utente (67 pagine)

Marchio: Cirrus-logic | Categoria: Hardware | Dimensione: 3.02 MB |

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Indice

Analog Input and ADC Features

1

Digital Processing Features

1

Digital Output Features

1

System Features

1

Applications

1

General Description

2

Table of Contents

3

1 Pin Descriptions

4

1.3 Pin Descriptions

5

6 DS992F1

6

2 Typical Connection Diagram

7

8 DS992F1

8

10 DS992F1

10

DS992F1 11

11

12 DS992F1

12

DS992F1 13

13

14 DS992F1

14

Table 3-11. Specifications—I

14

DS992F1 15

15

16 DS992F1

16

C Control Port

16

DS992F1 17

17

4 Functional Description

18

4.2 Resets

19

4.3 Interrupts

19

4.4 Capture-Path Inputs

20

Figure 4-4. Input Gain Paths

21

Board Chip

22

4.4.4 Soft Ramping (DIGSFT)

23

DMIC_CLK

24

4.6 Serial Ports

25

4.6.3 High-Impedance Mode

26

4.6.4 Master and Slave Timing

26

DS992F1 27

27

S Format

28

4.7 TDM Mode

29

4.7.2 Bursted SCLK

31

4.7.3 Transmitting Data

32

4.12 MUTE Pin

35

C Writes with Autoincrement

36

C Reads with Autoincrement

36

5 Systems Applications

37

Four-Channel Mic Connection

38

5.2 Power-Up Sequence

39

STEP TASK

40

5.3 Power-Down Sequence

41

5.4 Capture-Path Inputs

42

Input Signal Level 10

43

0.82VA

43

5.5 MCLK Jitter

44

5.7 Connecting Unused Pins

44

6 Register Quick Reference

45

7 Register Descriptions

47

7.6 MCLK Control

48

7.8 Mic Bias Control

49

7.10 ASP Control 1

49

7.11 ASP TDM TX Control 1–4

50

7.12 ASP TDM TX Enable 1–6

50

7.13 ASP Control 2

50

7.14 Soft Ramp Control

50

7.15 LRCK Control 1

51

7.16 LRCK Control 2

51

7.17 MUTE Pin Control 1

51

7.18 MUTE Pin Control 2

51

7.19 Input Bias Control 1

52

7.20 Input Bias Control 2

52

7.21 DMIC1 Stereo Control

52

7.22 DMIC2 Stereo Control

52

7.23 ADC1/DMIC1 Control 1

52

7.24 ADC1/DMIC1 Control 2

53

7.25 ADC1 Control 3

53

7.26 ADC1 Noise Gate Control

54

7.27 ADC1A/1B AFE Control

54

7.28 ADC1A/1B Digital Volume

54

7.29 ADC2/DMIC2 Control 1

55

7.30 ADC2/DMIC2 Control 2

55

7.31 ADC2 Control 3

55

7.32 ADC2 Noise Gate Control

56

7.33 ADC2A/2B AFE Control

56

7.34 ADC2A/2B Digital Volume

56

7.35 Device Interrupt Mask

57

7.36 Device Interrupt Status

57

8 Parameter Definitions

58

DS992F1 59

59

9.1 Digital Filter Response

59

= 50 kHz, Fs

60

= 16 kHz, MCLK = 19.2 MHz

60

DS992F1 61

61

9.2 PGA Gain Linearity

62

9.4 FFTs

63

64 DS992F1

64

10 Package Dimensions

65

11 Thermal Characteristics

66

12 Ordering Information

66

13 Revision History

67

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