CS4954 datasheet(4/60 Pages) CIRRUS

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CS4954 CS4955

DS278F6

7.4.5 Green DAC ....................................................................................................................... 33

7.4.6 Blue DAC .......................................................................................................................... 33

7.4.7 DAC Useage Rules ........................................................................................................... 34

PROGRAMMING ................................................................................................................................... 34

8.1

Host Control Interface .................................................................................................................. 34

8.1.1 I²C® Interface ................................................................................................................... 34

8.1.2 8-bit Parallel Interface ....................................................................................................... 35

8.2

Register Description .................................................................................................................... 36

8.2.1 Control Registers .............................................................................................................. 36

BOARD DESIGN AND LAYOUT CONSIDERATIONS ......................................................................... 53

9.1

Power and Ground Planes .......................................................................................................... 53

9.2

Power Supply Decoupling ........................................................................................................... 53

9.3

Digital Interconnect ...................................................................................................................... 53

9.4

Analog Interconnect ..................................................................................................................... 53

9.5

Analog Output Protection ............................................................................................................ 54

9.6

ESD Protection ............................................................................................................................ 54

9.7

External DAC Output Filter .......................................................................................................... 54

10. PIN DESCRIPTION ............................................................................................................................... 56

11. PACKAGE DRAWING ........................................................................................................................... 58

12. REVISION HISTORY ............................................................................................................................. 59

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