Cirrus-logic CS43L21 Bedienungsanleitung Seite 3
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DS723F1 3
CS43L21
TABLE OF CONTENTS
1. PIN DESCRIPTIONS - SOFTWARE (HARDWARE) MODE .................................................................. 6
1.1 Digital I/O Pin Characteristics ........................................................................................................... 8
2. TYPICAL CONNECTION DIAGRAMS ................................................................................................... 9
3. CHARACTERISTIC AND SPECIFICATION TABLES ......................................................................... 11
SPECIFIED OPERATING CONDITIONS ............................................................................................. 11
ABSOLUTE MAXIMUM RATINGS .......................................................................................................11
ANALOG OUTPUT CHARACTERISTICS (COMMERCIAL - CNZ) ...................................................... 12
ANALOG OUTPUT CHARACTERISTICS (AUTOMOTIVE - DNZ) ...................................................... 13
LINE OUTPUT VOLTAGE CHARACTERISTICS ................................................................................. 14
HEADPHONE OUTPUT POWER CHARACTERISTICS ...................................................................... 15
COMBINED DAC INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE .............................. 16
SWITCHING SPECIFICATIONS - SERIAL PORT ............................................................................... 16
SWITCHING SPECIFICATIONS - I²C CONTROL PORT ..................................................................... 18
SWITCHING CHARACTERISTICS - SPI CONTROL PORT ................................................................ 19
DC ELECTRICAL CHARACTERISTICS .............................................................................................. 20
DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS ..................................................... 20
POWER CONSUMPTION .................................................................................................................... 21
4. APPLICATIONS ................................................................................................................................... 22
4.1 Overview ......................................................................................................................................... 22
4.1.1 Architecture ........................................................................................................................... 22
4.1.2 Line & Headphone Outputs ................................................................................................... 22
4.1.3 Signal Processing Engine ..................................................................................................... 22
4.1.4 Beep Generator ..................................................................................................................... 22
4.1.5 Device Control (Hardware or Software Mode) ...................................................................... 22
4.1.6 Power Management .............................................................................................................. 22
4.2 Hardware Mode .............................................................................................................................. 23
4.3 Analog Outputs ............................................................................................................................... 24
4.3.1 De-Emphasis Filter ................................................................................................................ 24
4.3.2 Volume Controls .................................................................................................................... 25
4.3.3 Mono Channel Mixer ............................................................................................................. 25
4.3.4 Beep Generator ..................................................................................................................... 25
4.3.5 Tone Control .......................................................................................................................... 26
4.3.6 Limiter .................................................................................................................................... 26
4.3.7 Line-Level Outputs and Filtering ........................................................................................... 27
4.3.8 On-Chip Charge Pump .......................................................................................................... 28
4.4 Serial Port Clocking ........................................................................................................................ 28
4.4.1 Slave ..................................................................................................................................... 29
4.4.2 Master ................................................................................................................................... 29
4.4.3 High-Impedance Digital Output ............................................................................................. 30
4.4.4 Quarter- and Half-Speed Mode .............................................................................................30
4.5 Digital Interface Formats ................................................................................................................ 30
4.6 Initialization ..................................................................................................................................... 31
4.7 Recommended Power-Up Sequence ............................................................................................. 31
4.8 Recommended Power-Down Sequence ........................................................................................ 32
4.9 Software Mode ............................................................................................................................... 34
4.9.1 SPI Control .............................................................................................................
............... 34
4.9.2 I²C Control ............................................................................................................................. 34
4.9.3 Memory Address Pointer (MAP) ............................................................................................ 36
4.9.3.1 Map Increment (INCR) ............................................................................................... 36
5. REGISTER QUICK REFERENCE ........................................................................................................ 37
6. REGISTER DESCRIPTION .................................................................................................................. 40
6.1 Chip I.D. and Revision Register (Address 01h) (Read Only) ......................................................... 40
- FEATURES 1
- SYSTEM FEATURES 1
- ™ and SPI™ control) 1
- GENERAL DESCRIPTION 2
- TABLE OF CONTENTS 3
- LIST OF FIGURES 4
- LIST OF TABLES 5
- 6 DS723F1 6
- 6
- Pin Name # Pin Description 6
- DS723F1 7 7
- DS723F1 9 9
- 10 DS723F1 10
- ABSOLUTE MAXIMUM RATINGS 11
- 0.022 F 15
- Repeated 18
- = -100 A) 20
- = 100 A) 20
- (Note 17) 20
- POWER CONSUMPTION 21
- 4. APPLICATIONS 22
- 4.2 Hardware Mode 23
- 4.3 Analog Outputs 24
- 4.3.1 De-Emphasis Filter 24
- 4.3.2 Volume Controls 25
- 4.3.3 Mono Channel Mixer 25
- 4.3.4 Beep Generator 25
- 4.3.5 Tone Control 26
- 4.3.6 Limiter 26
- Software 27
- Controls: 27
- 4.3.8 On-Chip Charge Pump 28
- 4.4 Serial Port Clocking 28
- 4.4.1 Slave 29
- 4.4.2 Master 29
- 4.5 Digital Interface Formats 30
- 4.6 Initialization 31
- DS723F1 33 33
- 4.9 Software Mode 34
- 4.9.1 SPI Control 34
- 4.9.2 I²C Control 34
- 4 5 6 7 24 25 35
- 4.9.3.1 Map Increment (INCR) 36
- 5. REGISTER QUICK REFERENCE 37
- 38 DS723F1 38
- DS723F1 39 39
- 6. REGISTER DESCRIPTION 40
- 76543210 41
- 6.6 DAC Control (Address 09h) 43
- 6.12 AOUTx Volume Control: 49
- 7. ANALOG PERFORMANCE PLOTS 55
- 8.1 Auto Detect Enabled 58
- 8.2 Auto Detect Disabled 59
- 9. PCB LAYOUT CONSIDERATIONS 60
- 10.DIGITAL FILTERS 61
- 11.PARAMETER DEFINITIONS 62
- 12.REFERENCES 62
- 13.PACKAGE DIMENSIONS 63
- THERMAL CHARACTERISTICS 63
- 14.ORDERING INFORMATION 64
- 15.REVISION HISTORY 64
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