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LM4935WL Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LM4935WL Datasheet(HTML) 4 Page - National Semiconductor (TI) |
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4 / 112 page  Table of Contents 1.0 General Description ..................................................................................................................................... 1 2.0 Applications .................................................................................................................................................. 1 3.0 Key Specifications ........................................................................................................................................ 1 4.0 Features ....................................................................................................................................................... 1 5.0 LM4935 Overview ........................................................................................................................................ 2 6.0 Typical Application ........................................................................................................................................ 3 7.0 Connection Diagrams ................................................................................................................................... 6 7.1 PIN TYPE DEFINITIONS .......................................................................................................................... 7 8.0 Absolute Maximum Ratings ........................................................................................................................ 8 9.0 Operating Ratings ........................................................................................................................................ 8 10.0 Electrical Characteristics ........................................................................................................................... 8 11.0 System Control ......................................................................................................................................... 16 11.1 I 2C SIGNALS ......................................................................................................................................... 16 11.2 I 2C DATA VALIDITY ............................................................................................................................... 16 11.3 I 2C START AND STOP CONDITIONS .................................................................................................. 16 11.4 TRANSFERRING DATA ........................................................................................................................ 16 11.5 I 2C TIMING PARAMETERS ................................................................................................................. 18 12.0 Status & Control Registers ...................................................................................................................... 20 12.1 BASIC CONFIGURATION REGISTER ................................................................................................. 21 12.2 CLOCKS CONFIGURATION REGISTER ............................................................................................. 22 12.3 LM4935 CLOCK NETWORK ................................................................................................................ 23 12.4 COMMON CLOCK SETTINGS FOR THE DAC & ADC ....................................................................... 24 12.5 PLL M DIVIDER CONFIGURATION REGISTER .................................................................................. 25 12.6 PLL N DIVIDER CONFIGURATION REGISTER .................................................................................. 26 12.7 PLL P DIVIDER CONFIGURATION REGISTER .................................................................................. 27 12.8 PLL N MODULUS CONFIGURATION REGISTER ............................................................................... 28 12.9 FURTHER NOTES ON PLL PROGRAMMING ..................................................................................... 29 12.10 ADC_1 CONFIGURATION REGISTER ............................................................................................... 31 12.11 ADC_2 CONFIGURATION REGISTER ............................................................................................... 32 12.12 AGC_1 CONFIGURATION REGISTER ............................................................................................. 33 12.13 AGC_2 CONFIGURATION REGISTER ............................................................................................. 34 12.14 AGC_3 CONFIGURATION REGISTER ............................................................................................. 35 12.15 AGC OVERVIEW ................................................................................................................................. 36 12.16 MIC_1 CONFIGURATION REGISTER ............................................................................................... 37 12.17 MIC_2 CONFIGURATION REGISTER ............................................................................................... 38 12.18 SIDETONE ATTENUATION REGISTER ............................................................................................. 39 12.19 CP_INPUT CONFIGURATION REGISTER ........................................................................................ 40 12.20 AUX_LEFT CONFIGURATION REGISTER ........................................................................................ 41 12.21 AUX_RIGHT CONFIGURATION REGISTER ...................................................................................... 42 12.22 DAC CONFIGURATION REGISTER .................................................................................................. 43 12.23 CP_OUTPUT CONFIGURATION REGISTER .................................................................................... 44 12.24 AUX_OUTPUT CONFIGURATION REGISTER .................................................................................. 45 12.25 LS_OUTPUT CONFIGURATION REGISTER ..................................................................................... 46 12.26 HP_OUTPUT CONFIGURATION REGISTER .................................................................................... 47 12.27 EP_OUTPUT CONFIGURATION REGISTER .................................................................................... 48 12.28 DETECT CONFIGURATION REGISTER ............................................................................................ 49 12.29 HEADSET DETECT OVERVIEW ........................................................................................................ 50 12.30 STATUS REGISTER ........................................................................................................................... 53 12.31 AUDIO INTERFACE CONFIGURATION REGISTER ......................................................................... 54 12.32 DIGITAL AUDIO DATA FORMATS ...................................................................................................... 55 12.33 GPIO CONFIGURATION REGISTER ................................................................................................. 56 12.34 SAR CHANNELS0&1 CONFIGURATION REGISTER .................................................................... 57 12.35 SAR CHANNELS2&3 CONFIGURATION REGISTER .................................................................... 58 12.36 SAR DATA 0 TO 3 REGISTERS ......................................................................................................... 59 12.37 SAR OVERVIEW ................................................................................................................................. 60 12.38 DC VOLUME CONFIGURATION REGISTER .................................................................................... 62 12.39 SAR TRIGGER 1 CONFIGURATION REGISTER .............................................................................. 63 12.40 SAR TRIGGER 1 MSBs CONFIGURATION REGISTER ................................................................... 64 12.41 SAR TRIGGER 2 CONFIGURATION REGISTER .............................................................................. 65 12.42 SAR TRIGGER 2 MSBs CONFIGURATION REGISTER ................................................................... 66 12.43 DEBUG REGISTER ........................................................................................................................... 67 13.0 Typical Performance Characteristics ....................................................................................................... 68 www.national.com 4 |
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