WM8976GEFL/V Wolfson Microelectronics, WM8976GEFL/V Datasheet - Page 93

• Manufacturer Part Number: WM8976GEFL/V
• Description: Audio CODECs Mono ADC Stereo DAC with Spkr
• Manufacturer: Wolfson Microelectronics

Specifications of WM8976GEFL/V

• Mounting Style: SMD/SMT
• Package / Case: QFN-32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Production Data
w
21 (15h)
22 (16h)
24 (18h)
25 (19h)
REGISTER
ADDRESS
4:0
8
7
6:5
4:0
8:7
6:5
4:0
8
7:4
3:0
8:7
BIT
EQ3G
EQ4BW
EQ4C
EQ4G
EQ5C
EQ5G
LIMEN
LIMDCY
LIMATK
LABEL
01100
0
0
01
01100
00
01
01100
0
0011
0010
00
DEFAULT
EQ Band 3 Gain Control. See Table 37 for details.
EQ Band 4 Centre Frequency:
EQ Band 4 Gain Control. See Table 37 for details.
EQ Band 5 Cut-off Frequency:
EQ Band 5 Gain Control. See Table 37 for details.
EQ Band 4 Bandwidth Control
0=narrow bandwidth
1=wide bandwidth
Reserved
00=1.8kHz
01=2.4kHz
10=3.2kHz
11=4.1kHz
Reserved
00=5.3kHz
01=6.9kHz
10=9kHz
11=11.7kHz
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
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
Reserved
DESCRIPTION
PD Rev 4.4 July 2009
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REFER TO
WM8976
93