Cirrus-logic CS4234 Bedienungsanleitung PDF herunterladen (Seite 69)

DS899F1 69

CS4234

6.25 Interrupt Notification 2 (Address 22h) (Read Only)

6.25.1 DACx Clip

A DACx Clip occurred since the last clearing of the Interrupt Notification register.

76543210

Reserved Reserved Reserved DAC5 CLIP DAC4 CLIP DAC3 CLIP DAC2 CLIP DAC1 CLIP

DACx CLIP Since the last clearing of the Interrupt Notification Register, a DACx Clip Error:

0 Has Not Occurred

1 Has Occurred

1 2 ... 64 65 66 67 68 69 70 71 72 73 74 ... 78 79

DAC Features 1
ADC Features 1
System Features 1
Class H Controller Features 1
Common Applications 1
General Description 2
TABLE OF CONTENTS 3
LIST OF FIGURES 4
LIST OF TABLES 5
1. PIN DESCRIPTIONS 6
1.1 I/O Pin Characteristics 7
DS899F1 8 8
ABSOLUTE MAXIMUM RATINGS 9
TYPICAL CURRENT CONSUMPTION 11
ANALOG INPUT CHARACTERISTICS 12
CS4234 AINx 13
DS899F1 13 13
CS4234 AINx + 13
25000/Fs 14
ANALOG OUTPUT CHARACTERISTICS 15
DIGITAL I/O CHARACTERISTICS 17
DS899F1 19 19
4. APPLICATIONS 21
4.2.2 Power-down 22
DS899F1 23 23
4.2.3 DAC DC Loading 24
4.3 I²C Control Port 25
4.3.1.1 Map Increment (INCR) 26
4.4 System Clocking 26
4.4.1 Master Clock 26
4.4.3 Slave Mode Clock Ratios 27
4.5 Serial Port Interface 28
4.5.1 TDM Mode 28
32-Bit Channel Block 29
24-Bit Audio Word 29
8-Bit Zero Pad 29
(Or DAC5 Data) 29
DS899F1 30 30
4.6 Internal Signal Path 32
4.6.1.1 ADC Signal Routing 32
4.6.2 ADC Path 38
4.6.2.1 Analog Inputs 38
4.6.2.2 ADC HPF 38
4.6.3 DAC1-4 Path 39
4.6.3.1 De-emphasis Filter 39
4.6.4 Low-Latency Path 40
4.6.5 DAC5 Path 41
4.6.5.4 De-emphasis Filter 42
4.6.5.5 Filter Options 42
4.6.6 Volume Control 42
4.6.6.1 Mute Behavior 43
4.6.6.2 Soft Ramp 44
MIN_DELAY 45
MAX_DELAY 45
4.6.6.3 Noise Gate 46
4.7 Reset Line 47
4.8.1 Interrupt Masking 47
DS899F1 49 49
5. REGISTER QUICK REFERENCE 50
DS899F1 51 51
6. REGISTER DESCRIPTIONS 52
6.3.1 Base Rate Advisory 53
6.3.2 Speed Mode 53
6.3.3 Master Clock Rate 53
6.4.1 Output Sample Width 54
6.4.2 Input Sample Width 54
6.4.4 DAC5 Sample Width 54
7654321 0 55
6.6.1 DAC1-4 Data Source 56
6.6.2 Low-latency Path Source 56
6.7.1 SDIN1 Mask 1 57
6.8.1 SDIN1 Mask 2 57
6.9.1 SDIN2 Mask 1 58
6.10.1 SDIN2 Mask 2 58
76543210 59
6.11.3 Group Delay 60
6.12.1 VA Select 60
6.12.3 Invert ADCx 60
DS899F1 61 61
Mutes the ADCx signal 61
Powers down the ADCx path 61
6.15.1 DAC1-4 Noise Gate 62
6.15.2 DAC1-4 De-emphasis 62
6.15.3 DAC5 De-emphasis 62
6.19.1 Mute Delay 65
6.19.2 Minimum Delay 65
6.19.3 Maximum Delay 65
6.20.1 x Volume Control 66
6.21.1 INT MODE 66
6.21.2 Interrupt Pin Polarity 66
6.25.1 DACx Clip 69
7. ADC FILTER PLOTS 70
8. DAC FILTER PLOTS 71
DS899F1 72 72
9. PACKAGE DIMENSIONS 73
10.ORDERING INFORMATION 74
DS899F1 75 75
11.1 Voltage Headroom 76
11.2 Lead Time 76
11.3 Gain Matching 76
11.4 SMPS (TPS) Modes 77
DS899F1 78 78
12.REVISION HISTORY 79

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