wm8982gefl-v Wolfson Microelectronics plc, wm8982gefl-v Datasheet - Page 90

• Manufacturer Part Number: wm8982gefl-v
• Description: Mono Codec With Speaker Driver And Video Buffer
• Manufacturer: Wolfson Microelectronics plc

WM8982
w
21 (15h)
22 (16h)
24 (18h)
25 (19h)
REGISTER
ADDRESS
8
7
6:5
4:0
8:7
6:5
4:0
8
7:4
3:0
8:7
BIT
EQ4BW
EQ4C
EQ4G
EQ5C
EQ5G
LIMEN
LIMDCY
LIMATK
LABEL
00
0011
00
0
0
01
01100
01
01100
0
0010
DEFAULT
EQ Band 4 Bandwidth Control
0=narrow bandwidth
1=wide bandwidth
Reserved
EQ Band 4 Centre Frequency:
00=1.8kHz
01=2.4kHz
10=3.2kHz
11=4.1kHz
EQ Band 4 Gain Control. See Table 36 for details.
Reserved
EQ Band 5 Cut-off Frequency:
00=5.3kHz
01=6.9kHz
10=9kHz
11=11.7kHz
EQ Band 5 Gain Control. See Table 36 for details.
Enable the DAC digital limiter:
0=disabled
1=enabled
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
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
Reserved
DAC Limiter Attack time (per 6dB gain change) for
DESCRIPTION
PP, Rev 3.2, September 2008
Output Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
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Output Signal
Path
Output Signal
Path
REFER TO
Pre-Production
90