Cirrus-logic CS42518 Bedienungsanleitung PDF herunterladen (Seite 18)

18 DS584F2

CS42518

OMCK

External Reference Clock (Input) - External clock reference that must be within the ranges specified in

the register “OMCK Frequency (OMCK Freqx)” on page 52.

SAI_LRCK

Serial Audio Interface Left/Right Clock (Input/Output) - Determines which channel, Left or Right, is

currently active on the serial audio data line.

SAI_SCLK

Serial Audio Interface Serial Clock (Input/Output) - Serial clock for the Serial Audio Interface.

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 90 91

Features 1
General Description 1
TABLE OF CONTENTS 2
LIST OF FIGURES 4
LIST OF TABLES 5
ABSOLUTE MAXIMUM RATINGS 6
ANALOG INPUT CHARACTERISTICS 7
ANALOG OUTPUT CHARACTERISTICS 9
SWITCHING CHARACTERISTICS 11
FORMAT 13
DC ELECTRICAL CHARACTERISTICS 14
A (Note 28)Serial Port 15
2. PIN DESCRIPTIONS 16
DS584F2 17 17
18 DS584F2 18
DS584F2 19 19
4. APPLICATIONS 20
4.3 Analog Outputs 21
4.3.2 Interpolation Filter 21
4.3.4 ATAPI Specification 22
4.5 Clock Generation 24
Clock Generation 24
4.5.2 OMCK System Clock Mode 25
4.5.3 Master Mode 25
4.5.4 Slave Mode 25
4.6 Digital Interfaces 26
DS584F2 29 29
30 DS584F2 30
MSB LSB MSB LSB 31
4.6.4.1 OLM Config #1 32
CS42516 32
4.6.4.2 OLM Config #2 33
4.6.4.3 OLM Config #3 34
4.6.4.4 OLM Config #4 35
4.6.4.5 OLM Config #5 36
4.7.1 SPI Mode 37
4.7.2 I²C Mode 38
4.8 Interrupts 39
4.9 Reset and Power-Up 39
5. REGISTER QUICK REFERENCE 41
42 DS584F2 42
Addr Function 7 6 5 4 3 2 1 0 42
DS584F2 43 43
44 DS584F2 44
6. REGISTER DESCRIPTION 45
76543210 46
Table 5. DAC De-Emphasis 48
Table 6. Receiver De-Emphasis 48
Table 8. ADC One-Line Mode 49
Table 9. DAC One-Line Mode 49
Table 16. ATAPI Decode 60
7. PARAMETER DEFINITIONS 72
8.1 ADC Input Filter 73
8.2 DAC Output Filter 73
9.2.1.1 One-Byte Mode 75
9.2.1.2 Two-Byte Mode 75
9.3.1.1 Format Detection 76
10.APPENDIX C: PLL FILTER 77
10.1.2 Jitter Attenuation 79
10.1.3 Capacitor Selection 80
10.1.4 Circuit Board Layout 81
COMPONENTS 82
DS584F2 83 83
84 DS584F2 84
84
DS584F2 85 85
86 DS584F2 86
DS584F2 87 87
88 DS584F2 88
14.PACKAGE DIMENSIONS 89
THERMAL CHARACTERISTICS 89
64L LQFP PACKAGE DRAWING 89
15.ORDERING INFORMATION 90
16.REFERENCES 90
17.REVISION HISTORY 91

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