WM8510GEDSSLASHRV datasheet(68/81 Pages) WOLFSON

68 / 81 page

WM8510

Production Data

PD Rev 4.1 December 2006

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

2:1

Reserved

ADCPOL

ADC Polarity

0=normal

1=inverted

Analogue to

Digital Converter

(ADC)

Reserved

15 (0Fh)

7:0

ADCVOL

11111111

ADC Digital Volume Control

0000 0000 = Digital Mute

0000 0001 = -127dB

0000 0010 = -126.5dB

... 0.5dB steps up to

1111 1111 = 0dB

Analogue to

Digital Converter

(ADC)

LIMEN

Enable the DAC digital limiter:

0=disabled

1=enabled

Output Signal

Path

7:4

LIMDCY

0011

DAC 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

Output Signal

Path

24 (18h)

3:0

LIMATK

0010

DAC 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

Output Signal

Path

8:7

Reserved

25 (19h)

6:4

LIMLVL

000

DAC Limiter 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

Output Signal

Path

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