Product Preview
WM8591
REGISTER ADDRESS
R12 (0Ch)
BIT
LABEL
DEFAULT
DESCRIPTION
2:0 ADCRATE[2:0]
010
Master Mode MCLK:ADCLRC
Ratio Select:
0001100
010: 256fs
011: 384fs
100: 512fs
101: 768fs
ADCLRC and DACLRC
Frequency Select
6:4 DACRATE[2:0]
010
Master Mode MCLK:DACLRC
Ratio Select:
000: 128fs
001: 192fs
010: 256fs
011: 384fs
100: 512fs
101: 768fs
ADC OVERSAMPLING RATE SELECT
For ADC operation at 96kHz it is recommended that the user set the ADCOSR bit. This changes the
ADC signal processing oversample rate to 64fs. Operation is explained further in Table 5.
REGISTER ADDRESS
BIT
DEFAULT
DESCRIPTION
LABEL
R12 (0Ch)
0001100
3
ADCOSR
0
ADC Oversampling Rate Select
0: 128x oversampling
ADC Oversampling Rate
1: 64x oversampling
DAC OVERSAMPLING RATE SELECT
Control bit DACOSR allows the user to select the DAC internal signal processing oversampling rate.
Operation is described in Table 5 and Table 6.
REGISTER ADDRESS
BIT
DEFAULT
DESCRIPTION
LABEL
R10 (0Ah)
0001010
8
DACOSR
0
DAC Oversampling Rate Select
0: 128x oversampling
DAC Oversampling Rate
1: 64x oversampling
MUTE MODES
Setting MUTE for the DAC will apply a ‘soft’ mute to the input of the digital filters of the channel
muted.
REGISTER ADDRESS
R9 (09h)
BIT
LABEL
DEFAULT
DESCRIPTION
DAC Soft Mute Select
0 : Normal Operation
1: Soft mute enabled
3
DMUTE
0
0001001
DAC Mute
PP Rev 1.0 May 2005
25
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
