WM8978 Wolfson Microelectronics Ltd., WM8978 Datasheet - Page 88

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WM8978

Manufacturer Part Number
WM8978
Description
The WM8978 is a low power, high quality stereo codec designed for portable applications such as Digital still camera or Digital Camcorde
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet

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WM8978
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18 (12h)
19 (13h)
20 (14h)
21 (15h)
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REGISTER
ADDRESS
8
7
6:5
4:0
8
7
6:5
4:0
8
7
6:5
4:0
8
7
6:5
4:0
8:7
6:5
BIT
EQ3DMODE
EQ1C
EQ1G
EQ2BW
EQ2C
EQ2G
EQ3BW
EQ3C
EQ3G
EQ4BW
EQ4C
EQ4G
EQ5C
LABEL
1
0
01100
0
0
01
01100
0
0
01
01100
0
0
01
01100
0
01
DEFAULT
0 = Equaliser and 3D Enhancement applied to
ADC path
1 = Equaliser and 3D Enhancement applied to
DAC path
Reserved
EQ Band 1 Cut-off Frequency:
00=80Hz
01=105Hz
10=135Hz
11=175Hz
EQ Band 1 Gain Control. See Table 32 for
details.
EQ Band 2 Bandwidth Control
0=narrow bandwidth
1=wide bandwidth
Reserved
EQ Band 2 Centre Frequency:
00=230Hz
01=300Hz
10=385Hz
11=500Hz
EQ Band 2 Gain Control. See Table 32 for
details.
EQ Band 3 Bandwidth Control
0=narrow bandwidth
1=wide bandwidth
Reserved
EQ Band 3 Centre Frequency:
00=650Hz
01=850Hz
10=1.1kHz
11=1.4kHz
EQ Band 3 Gain Control. See Table 32 for
details.
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 32 for
details.
Reserved
EQ Band 5 Cut-off Frequency:
00=5.3kHz
01=6.9kHz
10=9kHz
11=11.7kHz
DESCRIPTION
PTD Rev 2.6 November 2005
Preliminary Technical Data
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REFER TO
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