CS47L85 datasheet(315/370 Pages) CIRRUS

315 / 370 page

CS47L85

Rev 4.3

315

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

1:0

FLL1_SS_SEL

[1:0]

FLL1 Spread Spectrum Select

00 = Disabled

01 = Zero Mean Frequency (ZMFM)

10 = Triangle

11 = Dither

R425

(01A9h)

FLL2_Spr

ead_Spect

rum

5:4

FLL2_SS_AMPL

[1:0]

FLL2 Spread Spectrum Amplitude

Controls the extent of the spread-spectrum modulation.

00 = 0.7% (triangle), 0.7% (ZMFM, dither)

01 = 1.1% (triangle), 1.3% (ZMFM, dither)

10 = 2.3% (triangle), 2.6% (ZMFM, dither)

11 = 4.6% (triangle), 5.2% (ZMFM, dither)

3:2

FLL2_SS_FREQ

[1:0]

FLL2 Spread Spectrum Frequency

Controls the spread spectrum modulation frequency in

Triangle mode.

00 = 439kHz

01 = 878kHz

10 = 1.17MHz

11 = 1.76MHz

1:0

FLL2_SS_SEL

[1:0]

FLL2 Spread Spectrum Select

00 = Disabled

01 = Zero Mean Frequency (ZMFM)

10 = Triangle

11 = Dither

R457

(01C9h)

FLL3_Spr

ead_Spect

rum

5:4

FLL3_SS_AMPL

[1:0]

FLL3 Spread Spectrum Amplitude

Controls the extent of the spread-spectrum modulation.

00 = 0.7% (triangle), 0.7% (ZMFM, dither)

01 = 1.1% (triangle), 1.3% (ZMFM, dither)

10 = 2.3% (triangle), 2.6% (ZMFM, dither)

11 = 4.6% (triangle), 5.2% (ZMFM, dither)

3:2

FLL3_SS_FREQ

[1:0]

FLL3 Spread Spectrum Frequency

Controls the spread spectrum modulation frequency in

Triangle mode.

00 = 439kHz

01 = 878kHz

10 = 1.17MHz

11 = 1.76MHz

1:0

FLL3_SS_SEL

[1:0]

FLL3 Spread Spectrum Select

00 = Disabled

01 = Zero Mean Frequency (ZMFM)

10 = Triangle

11 = Dither

Table 113 FLL Spread Spectrum Control

CS47L85 Datasheet(PDF) 315 Page - Cirrus Logic

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