WM8994 Datasheet, PDF (281/359 Pages) Wolfson Microelectronics plc – Multi-Channel Audio Hub CODEC for Smartphones

Production Data
REGISTER BIT
LABEL
DEFAULT
DESCRIPTION
ADDRESS
3:0 AIF1CLK_RAT
E [3:0]
0011
Selects the AIF1CLK / fs ratio
0000 = Reserved
0001 = 128
0010 = 192
0011 = 256
0100 = 384
0101 = 512
0110 = 768
0111 = 1024
1000 = 1408
1001 = 1536
All other codes = Reserved
Register 0210h AIF1 Rate
WM8994
REFER TO
REGISTER BIT
LABEL
DEFAULT
DESCRIPTION
ADDRESS
R529
(0211h)
AIF2 Rate
7:4 AIF2_SR [3:0]
1000
Selects the AIF2 Sample Rate (fs)
0000 = 8kHz
0001 = 11.025kHz
0010 = 12kHz
0011 = 16kHz
0100 = 22.05kHz
0101 = 24kHz
0110 = 32kHz
0111 = 44.1kHz
1000 = 48kHz
1001 = 88.2kHz
1010 = 96kHz
All other codes = Reserved
Note that 88.2kHz and 96kHz modes are supported for
AIF2 input (DAC playback) only.
3:0 AIF2CLK_RAT
E [3:0]
0011
Selects the AIF2CLK / fs ratio
0000 = Reserved
0001 = 128
0010 = 192
0011 = 256
0100 = 384
0101 = 512
0110 = 768
0111 = 1024
1000 = 1408
1001 = 1536
All other codes = Reserved
Register 0211h AIF2 Rate
REFER TO
w
PD, April 2012, Rev 4.4
281