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CS42438 Folha de dados(PDF) 2 Page - Cirrus Logic |
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CS42438 Folha de dados(HTML) 2 Page - Cirrus Logic |
2 / 64 page 2 DS646PP2 TABLE OF CONTENTS 1 PIN DESCRIPTION - SOFTWARE MODE ................................................................................ 6 1.1 Digital I/O Pin Characteristics ............................................................................................7 2 PIN DESCRIPTIONS - HARDWARE MODE ............................................................................ 8 3 TYPICAL CONNECTION DIAGRAMS .................................................................................... 10 4 CHARACTERISTICS AND SPECIFICATIONS ....................................................................... 12 SPECIFIED OPERATING CONDITIONS ............................................................................... 12 ABSOLUTE MAXIMUM RATINGS ......................................................................................... 12 ANALOG INPUT CHARACTERISTICS (CS42438-CMZ)....................................................... 13 ANALOG INPUT CHARACTERISTICS (CS42438-DMZ)....................................................... 14 ADC DIGITAL FILTER CHARACTERISTICS ......................................................................... 15 ANALOG OUTPUT CHARACTERISTICS (CS42438-CMZ)................................................... 16 ANALOG OUTPUT CHARACTERISTICS (CS42438-DMZ)................................................... 18 COMBINED DAC INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE ................ 20 SWITCHING SPECIFICATIONS - ADC/DAC PORT .............................................................. 21 SWITCHING CHARACTERISTICS - AUX PORT................................................................... 22 SWITCHING SPECIFICATIONS - CONTROL PORT - I²C MODE......................................... 23 SWITCHING SPECIFICATIONS - CONTROL PORT - SPI FORMAT ................................... 24 DC ELECTRICAL CHARACTERISTICS................................................................................. 25 DIGITAL INTERFACE SPECIFICATIONS & CHARACTERISTICS ....................................... 25 5 APPLICATIONS ....................................................................................................................... 26 5.1 Overview .......................................................................................................................... 26 5.2 Analog Inputs ................................................................................................................... 27 5.2.1 Line Level Inputs ................................................................................................. 27 5.2.2 ADC3 Analog Input ............................................................................................. 28 5.2.3 High Pass Filter and DC Offset Calibration ......................................................... 29 5.3 Analog Outputs ................................................................................................................ 30 5.3.1 Initialization ......................................................................................................... 30 5.3.2 Line-level Outputs and Filtering .......................................................................... 30 5.3.3 Digital Volume Control ........................................................................................ 32 5.3.4 De-Emphasis Filter .............................................................................................. 32 5.4 System Clocking .............................................................................................................. 33 5.5 CODEC Digital Interface .................................................................................................. 33 5.5.1 TDM .................................................................................................................... 33 5.5.2 I/O Channel Allocation ........................................................................................ 34 5.6 AUX Port Digital Interface Formats .................................................................................. 35 5.6.1 I²S ........................................................................................................................ 35 5.6.2 Left Justified ........................................................................................................ 35 5.7 Control Port Description and Timing ................................................................................ 36 5.7.1 SPI Mode ............................................................................................................ 36 5.7.2 I2C Mode ............................................................................................................. 37 5.8 Recommended Power-up Sequence ............................................................................... 38 5.8.1 Hardware Mode ................................................................................................... 38 5.8.2 Software Mode .................................................................................................... 38 5.9 Reset and Power-up ....................................................................................................... 38 5.10 Power Supply, Grounding, and PCB layout ................................................................... 39 6 REGISTER QUICK REFERENCE ........................................................................................... 40 7 REGISTER DESCRIPTION ..................................................................................................... 42 7.1 Memory Address Pointer (MAP) ....................................................................................... 42 7.2 Chip I.D. and Revision Register (address 01h) (Read Only) ............................................ 42 7.3 Power Control (address 02h) ............................................................................................ 43 7.4 Functional Mode (address 03h) ........................................................................................ 44 |
Nº de peça semelhante - CS42438 |
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Descrição semelhante - CS42438 |
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