wm9714l Wolfson Microelectronics plc, wm9714l Datasheet - Page 95

• Manufacturer Part Number: wm9714l
• Description: Ac?97 Audio Codec
• Manufacturer: Wolfson Microelectronics plc

2Ch
2Eh
32h
Note: The VRA bit in register 2Ah must be set first to obtain sample rates other than 48kHz
Pre-Production
Registers 2Ch, 2Eh 32h and control the sample rates for the stereo DAC, auxiliary DAC and audio ADC, respectively.
w
REGISTER
ADDRESS
all
all
all
BIT
DACSR
AUXDACSR
ADCSR
LABEL
BB80h
BB80h
BB80h
DEFAULT
Stereo DAC Sample Rate Control
1F40h = 8kHz
2B11h = 11.025kHz
2EE0h = 12kHz
3E80h = 16kHz
5622h = 22.05kHz
5DC0h = 24kHz
7D00h = 32kHz
AC44h = 44.1kHz
BB80h = 48kHz
Any other value defaults to the nearest supported
sample rate
AUXDAC Sample Rate Control
1F40h = 8kHz
2B11h = 11.025kHz
2EE0h = 12kHz
3E80h = 16kHz
5622h = 22.05kHz
5DC0h = 24kHz
7D00h = 32kHz
AC44h = 44.1kHz
BB80h = 48kHz
Any other value defaults to the nearest supported
sample rate
Stereo ADC Sample Rate Control
1F40h = 8kHz
2B11h = 11.025kHz
2EE0h = 12kHz
3E80h = 16kHz
5622h = 22.05kHz
5DC0h = 24kHz
7D00h = 32kHz
AC44h = 44.1kHz
BB80h = 48kHz
Any other value defaults to the nearest supported
sample rate
DESCRIPTION
PP, Rev 3.2, October 2008
WM9714L
Variable Rate
Audio /
Sample Rate
Conversion
REFER TO
95