WM8985_07 WOLFSON [Wolfson Microelectronics plc], WM8985_07 Datasheet - Page 97

• Manufacturer Part Number: WM8985_07
• Description: Multimedia CODEC With Class D Headphone and Line Out
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

Pre-Production
w
16 (10h)
18 (12h)
19 (13h)
20 (14h)
21 (15h)
REGISTER
ADDRESS
7:0
8
7:0
8
7
6:5
4:0
8
7
6:5
4:0
8
7
6:5
4:0
8
7
BIT
ADCVOLL
ADCVU
ADCVOLR
EQ3DMODE
EQ1C
EQ1G
EQ2BW
EQ2C
EQ2G
EQ3BW
EQ3C
EQ3G
EQ4BW
LABEL
11111111
N/A
11111111
1
0
01
01100
0
0
01
01100
0
0
01
01100
0
0
DEFAULT
Left ADC Digital Volume Control
0000 0000 = Digital Mute
0000 0001 = -127dB
0000 0010 = -126.5dB
... 0.5dB steps up to
1111 1111 = 0dB
ADC left and ADC right volume do not update
until a 1 is written to ADCVU (in reg 16 or 17)
Right ADC Digital Volume Control
0000 0000 = Digital Mute
0000 0001 = -127dB
0000 0010 = -126.5dB
... 0.5dB steps up to
1111 1111 = 0dB
0 = Equaliser and 3D Enhancement applied to
ADC path
1 = Equaliser and 3D Enhancement applied to
DAC path
Reserved. Initialise to 0
EQ Band 1 Cut-off Frequency:
00=80Hz
01=105Hz
10=135Hz
11=175Hz
EQ Band 1 Gain Control. See Table 31 for
details.
EQ Band 2 Bandwidth Control
0=narrow bandwidth
1=wide bandwidth
Reserved. Initialise to 0
EQ Band 2 Centre Frequency:
00=230Hz
01=300Hz
10=385Hz
11=500Hz
EQ Band 2 Gain Control. See Table 31 for
details.
EQ Band 3 Bandwidth Control
0=narrow bandwidth
1=wide bandwidth
Reserved. Initialise to 0
EQ Band 3 Centre Frequency:
00=650Hz
01=850Hz
10=1.1kHz
11=1.4kHz
EQ Band 3 Gain Control. See Table 31 for
details.
EQ Band 4 Bandwidth Control
0=narrow bandwidth
1=wide bandwidth
Reserved. Initialise to 0
DESCRIPTION
PP, Rev 3.5, January 2007
Analogue to
Digital
Converter
(ADC)
Analogue to
Digital
Converter
(ADC)
Analogue to
Digital
Converter
(ADC)
Output Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
Path
Output Signal
Path
REFER TO
WM8985
97