WM8903LGEFK/RV Wolfson Microelectronics, WM8903LGEFK/RV Datasheet - Page 122

• Manufacturer Part Number: WM8903LGEFK/RV
• Description: Audio CODECs ULTRA LOW PWR HI FI CODEC
• Manufacturer: Wolfson Microelectronics

Specifications of WM8903LGEFK/RV

• Audio Codec Type: Stereo Codec
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 6
• No. Of Output Channels: 8
• Adc / Dac Resolution: 24bit
• Sampling Rate: 96kHz
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Adcs / Dacs Signal To Noise Ratio: 96dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

WM8903
Register 15h Clock Rates 1
R22 (16h)
Clock Rates
2
Register 16h Clock Rates 2
w
REGISTER
REGISTER
ADDRESS
ADDRESS
BIT
9:8
3:0
BIT
2
1
0
CLK_SYS_MODE[1:0]
CLK_SYS_ENA
CLK_DSP_ENA
SAMPLE_RATE[3:0]
TO_ENA
LABEL
LABEL
DEFAULT
0
0
0
DEFAULT
1000
00
System Clock enable
0 = Disabled
1 = Enabled
DSP Clock enable
0 = Disabled
1 = Enabled
Zero Cross timeout enable
0 = Disabled
1 = Enabled
1010 to 1111 = Reserved
if CLK_SYS_MODE = 10 (250*fs related clocks)
0000 = 125*fs
0001 = 125*fs
0010 = 250*fs
0011 = 250*fs
0100 = 375*fs
0101 = 500*fs
0110 = 750*fs
0111 = 1000 *fs
1000 = 1000*fs
1001 = 1500*fs
1010 to 1111 = Reserved
CLK_SYS mode
00 = 256*fs related
01 = 272*fs related
10 = 250*fs related
11 = Reserved
Selects the 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 (Not available for Digital
Microphone. Not used for 88.2kHz ADC.)
1010 = 96kHz (Not available for Digital
Microphone. Not used for 96kHz ADC).
1011 to 1111 = Reserved
If the desired sample rate is not listed in this
table, then the closest alternative should be
chosen.
DESCRIPTION
DESCRIPTION
PP, Rev 3.1, August 2009
Pre-Production
122