WM8985GEFLSLASHR datasheet(98/118 Pages) WOLFSON

номер детали	WM8985GEFL/R

подробное описание детали	Multimedia CODEC With Class D Headphone and Line Out

PDF	118 Pages

Scroll/Zoom	100%

производитель	WOLFSON [Wolfson Microelectronics plc]

домашняя страница	http://www.wolfsonmicro.com

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98 / 118 page

WM8985

Pre-Production

PP, Rev 3.5, March 2007

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

REFER TO

6:5

EQ4C

EQ Band 4 Centre Frequency:

00=1.8kHz

01=2.4kHz

10=3.2kHz

11=4.1kHz

Output Signal

Path

4:0

EQ4G

01100

EQ Band 4 Gain Control. See Table 31 for

details.

Output Signal

Path

8:7

Reserved. Initialise to 0

Output Signal

Path

6:5

EQ5C

EQ Band 5 Cut-off Frequency:

00=5.3kHz

01=6.9kHz

10=9kHz

11=11.7kHz

Output Signal

Path

22 (16h)

4:0

EQ5G

01100

EQ Band 5 Gain Control. See Table 31 for

details.

Output Signal

Path

CLASSDEN

Enable signal for class D mode on LOUT2 and

ROUT2

0 = Class AB mode

1 = Class D mode

Class D

Control

23 (17h)

7:0

000 1000

Reserved.

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

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

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