Cirrus-logic CS53L21 User Manual Page 3
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- Table of contents
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DS700PP1 3
CS53L21
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 CHARACTERISTICS (COMMERCIAL - CNZ) .................................................................... 12
ANALOG CHARACTERISTICS (AUTOMOTIVE - DNZ) ..................................................................... 13
ADC DIGITAL FILTER CHARACTERISTICS ....................................................................................... 14
SWITCHING SPECIFICATIONS - SERIAL PORT ............................................................................... 14
SWITCHING SPECIFICATIONS - I²C CONTROL PORT ..................................................................... 16
SWITCHING CHARACTERISTICS - SPI CONTROL PORT ................................................................ 17
DC ELECTRICAL CHARACTERISTICS .............................................................................................. 18
DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS ..................................................... 18
POWER CONSUMPTION .................................................................................................................... 19
4. APPLICATIONS ................................................................................................................................... 20
4.1 Overview ......................................................................................................................................... 20
4.1.1 Architecture ........................................................................................................................... 20
4.1.2 Line & MIC Inputs .................................................................................................................. 20
4.1.3 Signal Processing Engine ..................................................................................................... 20
4.1.4 Device Control (Hardware or Software Mode) ...................................................................... 20
4.1.5 Power Management .............................................................................................................. 20
4.2 Hardware Mode .............................................................................................................................. 21
4.3 Analog Inputs ................................................................................................................................. 22
4.3.1 Digital Code, Offset & DC Measurement ............................................................................... 22
4.3.2 High-Pass Filter and DC Offset Calibration ........................................................................... 23
4.3.3 Digital Routing ....................................................................................................................... 23
4.3.4 Differential Inputs .................................................................................................................. 23
4.3.4.1 External Passive Components ................................................................................... 23
4.3.5 Analog Input Multiplexer ........................................................................................................ 25
4.3.6 MIC & PGA Gain ................................................................................................................... 25
4.3.7 Automatic Level Control (ALC) .............................................................................................. 26
4.3.8 Noise Gate ............................................................................................................................ 27
4.4 Signal Processing Engine ............................................................................................................... 28
4.4.1 Volume Controls .................................................................................................................... 28
4.4.2 Mono Channel Mixer ............................................................................................................. 28
4.5 Serial Port Clocking ........................................................................................................................ 29
4.5.1 Slave ..................................................................................................................................... 30
4.5.2 Master ................................................................................................................................... 30
4.5.3 High-Impedance Digital Output ............................................................................................. 31
4.5.4 Quarter- and Half-Speed Mode .............................................................................................31
4.6 Digital Interface Formats ................................................................................................................ 31
4.7 Initialization ..................................................................................................................................... 32
4.8 Recommended Power-Up Sequence ............................................................................................. 32
4.9 Recommended Power-Down Sequence ........................................................................................ 33
4.10 Software Mode ............................................................................................................................. 34
4.10.1 SPI Control .......................................................................................................................... 34
4.10.2 I²C Control ........................................................................................................................... 34
4.10.3 Memory Address Pointer (MAP) .......................................................................................... 3
6
4.10.3.1 Map Increment (INCR) ............................................................................................. 36
5. REGISTER QUICK REFERENCE ........................................................................................................ 37
6. REGISTER DESCRIPTION .................................................................................................................. 40
- FEATURES 1
- SYSTEM FEATURES 1
- ™ Control) 1
- APPLICATIONS 2
- GENERAL DESCRIPTION 2
- TABLE OF CONTENTS 3
- LIST OF FIGURES 4
- LIST OF TABLES 5
- 6 DS700PP1 6
- 6
- Pin Name # Pin Description 6
- DS700PP1 7 7
- DS700PP1 9 9
- 10 DS700PP1 10
- ABSOLUTE MAXIMUM RATINGS 11
- SDOUT Code with HPF On 12
- Repeated 16
- = 100 μA) 18
- (Note 14) 18
- = -100 μA) 18
- POWER CONSUMPTION 19
- 4. APPLICATIONS 20
- 4.2 Hardware Mode 21
- Software 22
- Controls: 22
- 4.3.3 Digital Routing 23
- 4.3.4 Differential Inputs 23
- 24 DS700PP1 24
- 4.3.6 MIC & PGA Gain 25
- ADCx_ATT[7:0] and 26
- PGAx_VOL[4:0] volume 26
- ALCx is enabled 26
- 4.3.8 Noise Gate 27
- 4.4 Signal Processing Engine 28
- 4.4.1 Volume Controls 28
- 4.4.2 Mono Channel Mixer 28
- 4.5 Serial Port Clocking 29
- 4.5.1 Slave 30
- 4.5.2 Master 30
- 4.6 Digital Interface Formats 31
- 4.7 Initialization 32
- 4.10 Software Mode 34
- 4.10.1 SPI Control 34
- 4.10.2 I²C Control 34
- 4 5 6 7 24 25 35
- 4.10.3.1 Map Increment (INCR) 36
- 5. REGISTER QUICK REFERENCE 37
- 38 DS700PP1 38
- DS700PP1 39 39
- 6. REGISTER DESCRIPTION 40
- 76543210 41
- Reserved M/S 43
- 6.5 MIC Control (Address 05h) 44
- 6.6 ADC Control (Address 06h) 45
- AINx_MUX[1:0] 47
- PDN_PGAx 47
- 6.8 SPE Control (Address 09h) 48
- 7. ANALOG PERFORMANCE PLOTS 56
- 8.1 Auto Detect Enabled 57
- 8.2 Auto Detect Disabled 58
- 9. PCB LAYOUT CONSIDERATIONS 59
- 10.DIGITAL FILTERS 60
- 11.PARAMETER DEFINITIONS 61
- 12.PACKAGE DIMENSIONS 62
- THERMAL CHARACTERISTICS 62
- 13.ORDERING INFORMATION 63
- 14.REFERENCES 63
- 15.REVISION HISTORY 64
- DS700PP1 65 65
- 66 DS700PP1 66
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