WM8904 Datasheet, PDF (180/188 Pages) Wolfson Microelectronics plc – Ultra Low Power CODEC for Portable Audio Applications

WM8904
REGISTER BIT
ADDRESS
R156 (9Ch) 15:0
EQ23
LABEL
DEFAULT
DESCRIPTION
EQ_B5_B [15:0] 0000_0101_0 EQ Band 1 Coefficient B
101_1001
Register 9Ch EQ23
Pre-Production
REFER TO
ReTune^TM Mobile
Parametric
Equalizer (EQ)
REGISTER BIT
ADDRESS
R157 (9Dh) 15:0
EQ24
Register 9Dh EQ24
LABEL
DEFAULT
DESCRIPTION
EQ_B5_PG
[15:0]
0100_0000_0 EQ Band 5 Coefficient PG
000_0000
REFER TO
ReTune^TM Mobile
Parametric
Equalizer (EQ)
REGISTER BIT
LABEL
ADDRESS
R198 (C6h)
2
ADC_128_OS
ADC Test 0
R_TST_MODE
0 ADC_BIASX1P
5
Register C6h ADC Test 0
DEFAULT
DESCRIPTION
0
ADC Bias Control (1)
Set this bit to 1 in ADC 64fs mode (ADC_OSR128 = 0).
Set this bit to 0 in ADC 128fs mode (ADC_OSR128 = 1).
0
ADC Bias Control (2)
Set this bit to 1 in ADC 64fs mode (ADC_OSR128 = 0).
Set this bit to 0 in ADC 128fs mode (ADC_OSR128 = 1).
REFER TO
ADC
Oversampling
Ratio (OSR)
ADC
Oversampling
Ratio (OSR)
REGISTER BIT
LABEL
ADDRESS
R247 (F7h)
0
FLL_FRC_NC
FLL NCO
O
Test 0
Register F7h FLL NCO Test 0
DEFAULT
DESCRIPTION
0
FLL Forced control select
0 = Normal
1 = FLL oscillator controlled by FLL_FRC_NCO_VAL
(Note that this field is required for free-running FLL
modes only)
REFER TO
Frequency Locked
Loop (FLL)
REGISTER BIT
LABEL
ADDRESS
R248 (F8h) 5:0 FLL_FRC_NC
FLL NCO
O_VAL [5:0]
Test 1
Register F8h FLL NCO Test 1
DEFAULT
DESCRIPTION
01_1001
FLL Forced oscillator value
Valid range is 000000 to 111111
0x19h (011001) = 12MHz approx
(Note that this field is required for free-running FLL
modes only)
REFER TO
Frequency Locked
Loop (FLL)
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PP, Rev 3.3, September 2012
180