Cirrus-logic CS42L73 Manuale Utente Pagina 118
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118 DS882F1
CS42L73
6.46 Stereo Mixer Input Attenuation (Addresses 35h through 54h)
Sets the level of attenuation to be applied to various stereo digital mixer inputs. Each mixer input can be
muted or attenuated from 0 to 62 dB in 1 dB steps.
Note: * indicates the field name, taken from the mixer and attenuation characteristics and listed below..
76543210
Reserved Reserved *_A5 *_A4 *_A3 *_A2 *_A1 *_A0
Register Mixer Attenuator Field Name
Addr. Name ID
(Destination)
Output
Channel
Source Source
Channel
35h
Headphone/Line Output Left Mixer:
Input Path Left Attenuation
Headphone/Line
Out (HL)
Left
(A)
Input Path
(IP)
Left
(A)
HLA_IPA_A
36h
Headphone/Line Output Right Mixer:
Input Path Right. Attenuation
Headphone/Line
Out (HL)
Right
(B)
Input Path
(IP)
Right
(B)
HLB_IPB_A
37h
Headphone/Line Output Left Mixer:
XSP Left Attenuation
Headphone/Line
Out (HL)
Left
(A)
Auxiliary Serial Port
(XSP)
Left
(A)
HLA_XSPA_A
38h
Headphone/Line Output Right Mixer:
XSP Right Attenuation
Headphone/Line
Out (HL)
Right
(B)
Auxiliary Serial Port
(XSP)
Right
(B)
HLB_XSPB_A
39h
Headphone/Line Output Left Mixer:
ASP Left Attenuation
Headphone/Line
Out (HL)
Left
(A)
Audio Serial Port
(ASP)
Left
(A)
HLA_ASPA_A
3Ah
Headphone/Line Output Right Mixer:
ASP Right Attenuation
Headphone/Line
Out (HL)
Right
(B)
Audio Serial Port
(ASP)
Right
(B)
HLB_ASPB_A
3Bh
Headphone/Line Output Left Mixer:
VSP Mono Attenuation
Headphone/Line
Out (HL)
Left
(A)
Voice Serial Port
(VSP)
Mono
(M)
HLA_VSPM_A
3Ch
Headphone/Line Output Right Mixer:
VSP Mono Attenuation
Headphone/Line
Out (HL)
Right
(B)
Voice Serial Port
(VSP)
Mono
(M)
HLB_VSPM_A
3Dh
XSP Left Mixer:
Input Path Left Attenuation
Auxiliary Serial
Port (XSP)
Left
(A)
Input Path
(IP)
Left
(A)
XSPA_IPA_A
3Eh
XSP Right Mixer:
Input Path Right Attenuation
Auxiliary Serial
Port (XSP)
Right
(B)
Input Path
(IP)
Right
(B)
XSPB_IPB_A
3Fh
XSP Left Mixer:
XSP Left Attenuation
Auxiliary Serial
Port (XSP)
Left
(A)
Auxiliary Serial Port
(XSP)
Left
(A)
XSPA_XSPA_A
40h
XSP Right Mixer:
XSP Right Attenuation
Auxiliary Serial
Port (XSP)
Right
(B)
Auxiliary Serial Port
(XSP)
Right
(B)
XSPB_XSPB_A
41h
XSP Left Mixer:
ASP Left Attenuation
Auxiliary Serial
Port (XSP)
Left
(A)
Audio Serial Port
(ASP)
Left
(A)
XSPA_ASPA_A
42h
XSP Right Mixer:
ASP Right Attenuation
Auxiliary Serial
Port (XSP)
Right
(B)
Audio Serial Port
(ASP)
Right
(B)
XSPB_ASPB_A
43h
XSP Left Mixer:
VSP Mono Attenuation
Auxiliary Serial
Port (XSP)
Left
(A)
Voice Serial Port
(VSP)
Mono
(M)
XSPA_VSPM_
A
44h
XSP Right Mixer:
VSP Mono Attenuation
Auxiliary Serial
Port (XSP)
Right
(B)
Voice Serial Port
(VSP)
Mono
(M)
XSPB_VSPM_
A
45h
ASP Left Mixer:
Input Path Left Attenuation
Audio Serial Port
(ASP)
Left
(A)
Input Path
(IP)
Left
(A)
ASPA_IPA_A
46h
ASP Right Mixer:
Input Path Right Attenuation
Audio Serial Port
(ASP)
Right
(B)
Input Path
(IP)
Right
(B)
ASPB_IPB_A
47h
ASP Left Mixer:
XSP Left Attenuation
Audio Serial Port
(ASP)
Left
(A)
Auxiliary Serial Port
(XSP)
Left
(A)
ASPA_XSPA_A
48h
ASP Right Mixer:
XSP Right Attenuation
Audio Serial Port
(ASP)
Right
(B)
Auxiliary Serial Port
(XSP)
Right
(B)
ASPB_XSPB_A
49h
ASP Left Mixer:
ASP Left Attenuation
Audio Serial Port
(ASP)
Left
(A)
Audio Serial Port
(ASP)
Left
(A)
ASPA_ASPA_A
4Ah
ASP Right Mixer:
ASP Right Attenuation
Audio Serial Port
(ASP)
Right
(B)
Audio Serial Port
(ASP)
Right
(B)
ASPB_ASPB_A
- Product Overview 1
- Ultralow Power Consumption 1
- Applications 1
- System Features 1
- General Description 3
- TABLE OF CONTENTS 4
- LIST OF FIGURES 9
- LIST OF TABLES 10
- 12 DS882F1 12
- DS882F1 13 13
- 1.3 Pin/Ball Descriptions 14
- DS882F1 15 15
- 2. TYPICAL CONNECTION DIAGRAM 17
- ABSOLUTE MAXIMUM RATINGS 20
- DC ELECTRICAL CHARACTERISTICS 21
- 22 DS882F1 22
- CHARACTERISTICS 24
- MIC BIAS CHARACTERISTICS 26
- --70-60dB 27
- 0.73•VA 0.79•VA 0.85•VA V 27
- Test Load 28
- Measurement 28
- FILTER CHARACTERISTICS 33
- POWER CONSUMPTION 34
- DMIC_SCLK 37
- = “s” or “m” 38
- Repeated 40
- 4. APPLICATIONS 41
- 4.5 Class H Amplifier 44
- 4.5.1 Power Control Options 44
- 48 DS882F1 48
- 4.5.3 Efficiency 49
- 4.6 DAC Limiter 49
- LIMRRATEx[2:0] 50
- LIMARATEx[2:0] 50
- 4.8 Serial Ports 51
- 4.8.1 Power Management 51
- 4.8.2 I/O 51
- 4.8.3 High-impedance Mode 52
- 4.8.4 Master and Slave Timing 52
- 4.8.4.1 SCLK = MCLK Modes 53
- 4.8.6 Formats 54
- 4.8.6.1 I²S Format 55
- 4.8.6.2 PCM Format 55
- 4.8.7 Mono/Stereo 57
- 4.8.8 Data Bit Depths 57
- 4.8.8.1 I²S Format Bit Depths 57
- 4.8.8.2 PCM Format Bit Depths 58
- 4.10 Input Paths 59
- DMIC_CLK 60
- 4.11 Digital Mixer 61
- 62 DS882F1 62
- 4.11.1 Mono and Stereo Paths 63
- 4.15 Interrupts 70
- 4.16 Control Port Operation 71
- 4.16.1 I²C Control 71
- 7 6 5 4 3 2 1 0 72
- 4.17 Fast Start Mode 73
- SPKLINEOUT 74
- EARSPKOUT 74
- Normal audioNo audio 75
- Clipped/Ramping audio 75
- 5. REGISTER QUICK REFERENCE 76
- DS882F1 77 77
- 78 DS882F1 78
- DS882F1 79 79
- 80 DS882F1 80
- (Read Only) 80
- 6. REGISTER DESCRIPTION 81
- 6.12.2 ASP Sample Rate 90
- 6.13.1 ASP Master/Slave Mode 90
- 6.14.5 VSP SDIN Location 92
- 6.15.1 VSP Master/Slave Mode 92
- 6.16.1 VSP Sample Rate 93
- 6.16.2 XSP Sample Rate 93
- 6.17.1 Digital Swap/Mono 94
- 6.17.2 Input Path Channel B=A 94
- 6.17.4 PGA Soft-Ramp 95
- 6.17.5 Analog Zero Cross 95
- 6.17.6 Digital Soft-Ramp 96
- 6.19.1 Mic PREAMP x Volume 98
- 6.19.2 PGAx Volume 98
- DS882F1 99 99
- DS882F1 103 103
- 104 DS882F1 104
- 76543210 110
- (Address 2Eh) 112
- 6.44.3 ALCx Soft-Ramp Disable 116
- 6.45.3 Mixer Soft-Ramp Enable 117
- 118 DS882F1 118
- DS882F1 119 119
- 120 DS882F1 120
- DS882F1 121 121
- 7. PCB LAYOUT CONSIDERATIONS 125
- 8. PERFORMANCE DATA 126
- DS882F1 127 127
- 128 DS882F1 128
- 8.3 Core Circuitry Attributes 129
- 8.3.1 ASRC Attributes 129
- 8.3.1.1 Response 129
- 8.3.1.2 Group Delay 130
- 8.3.1.3 Lock Time 130
- DS882F1 131 131
- 8.4.2 DAC HPF Response 132
- 8.4.4 Startup Times 133
- 9. PARAMETER DEFINITIONS 134
- 10.PACKAGE DIMENSIONS 135
- BUMP SIDESIDE VIEW 136
- TOP SIDE 136
- 11.THERMAL CHARACTERISTICS 137
- 12.ORDERING INFORMATION 137
- 13.REFERENCES 137
- 14.REVISION HISTORY 138
- DS882F1 139 139
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