WM8900LGEFK/RV Wolfson Microelectronics, WM8900LGEFK/RV Datasheet - Page 96

• Manufacturer Part Number: WM8900LGEFK/RV
• Description: Audio CODECs Ultra Low Power Hi-Fi CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8900LGEFK/RV

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8900
w
R8 (08h)
Audio Interface 3
R9 (09h)
Audio Interface 4
R10 (0Ah)
DAC Control
REGISTER ADDRESS
12
10:0
10:0
4:2
11
11
10
BIT
1
0
9
8
7
DAC_CLKDIV
[2:0]
TOCLK_RATE
TOCLK_ENA
ADCLRC_DIR
ADCLRC_RATE
[10:0]
DACLRC_DIR
DACLRC_RATE
[10:0]
DAC_SDMCLK_RATE
AIF_LRCLKRATE
DAC_MONO
DAC_SB_FILT
DAC_MUTERATE
LABEL
DEFAULT
040h
040h
000
0
0
0
0
0
0
0
0
1
DAC Sample rate divider
000 = SYSCLK / 1.0
001 = SYSCLK / 1.5
010 = SYSCLK / 2
011 = SYSCLK / 3
100 = SYSCLK / 4
101 = SYSCLK / 5.5
110 = SYSCLK / 6
111 = Reserved
Slow Clock Selection (Used for volume
update timeouts and for jack detect
debounce)
0 = SYSCLK / 2
1 = SYSCLK / 2
Slow Clock Enable (Must be enabled for
jack detect de-bounce)
0 = Slow Clock Disabled
1 = Slow Clock Enabled
ADCLRC Direction
0 = ADCLRC is input
1 = ADCLRC is output
ADCLRC Frequency (Master Mode).
BCLK is divided by this integer.
ADCLRC_RATE is an 11-bit integer (LSB =
1).
Valid range is 8 .. 2047
DACLRC Direction
0 = DACLRC is input
1 = DACLRC is output
DACLRC Frequency (Master Mode).
BCLK is divided by this integer.
DACLRC_RATE is an 11-bit integer (LSB =
1).
Valid range is 8 .. 2047
DAC sigma delta modulator clock
0 = DAC clock scales with sample rate
1 = DAC clock independent of sample rate
Mode Select
1 = USB mode (272 * Fs)
0 = Normal mode (256 * Fs)
DAC Mono Mix
0 = Stereo
1 = Mono (Mono mix output on enabled
DACs)
Selects DAC filter characteristics
0 = Normal mode
1 = Sloping stopband mode
DAC Soft Mute Ramp Rate
0 = Fast ramp (fs/2, maximum ramp time is
10.7ms at fs=48k)
1 = Slow ramp (fs/32, maximum ramp time
is 171ms at fs=48k)
DESCRIPTION
21
19
(Slower Response)
(Faster Response)
PD, August 2008, Rev 4.0
Production Data
96