WM8940CGEFLSLASHV datasheet(44/88 Pages) CIRRUS

44 / 88 page

WM8940

Rev 4.4

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R24

DAC digital

limiter control 1

LIMEN

Enable the DAC digital limiter:

0=disabled

1=enabled

7:4

LIMDCY

0011

Limiter Decay time (per 6dB gain change)

for 44.1kHz sampling. Note that these will

scale with sample rate:

0000=750us

0001=1.5ms

0010=3ms

0011=6ms

0100=12ms

0101=24ms

0110=48ms

0111=96ms

1000=192ms

1001=384ms

1010=768ms

1011 to 1111=1.536s

3:0

LIMATK

0010

Limiter Attack time (per 6dB gain change)

for 44.1kHz sampling. Note that these will

scale with sample rate.

0000=94us

0001=188s

0010=375us

0011=750us

0100=1.5ms

0101=3ms

0110=6ms

0111=12ms

1000=24ms

1001=48ms

1010=96ms

1011 to 1111=192ms

R25

DAC digital

limiter control 2

6:4

LIMLVL

000

Programmable signal threshold level

(determines level at which the limiter

starts to operate)

000=-1dB

001=-2dB

010=-3dB

011=-4dB

100=-5dB

101 to 111=-6dB

WM8940CGEFL/V Datasheet(PDF) 44 Page - Cirrus Logic

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