wm8918 Wolfson Microelectronics plc, wm8918 Datasheet - Page 135

• Manufacturer Part Number: wm8918
• Description: Ultra Low Power Dac For Portable Audio Applications
• Manufacturer: Wolfson Microelectronics plc

Production Data
Register 15h Clock Rates 1
Register 16h Clock Rates 2
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Clock Rates
Clock Rates
REGISTER
REGISTER
ADDRESS
ADDRESS
R21 (15h)
R22 (16h)
1
2
13:10
BIT
BIT
2:0
15
14
12
3
2
1
0
SAMPLE_RAT
SYSCLK_SRC
TOCLK_RATE
CLK_SYS_RA
CLK_SYS_EN
CLK_DSP_EN
OPCLK_ENA
TOCLK_ENA
MCLK_INV
LABEL
LABEL
TE[3:0]
E[2:0]
A
A
DEFAULT
DEFAULT
0011
101
0
0
0
0
0
0
0
Selects the SYSCLK / fs ratio
0000 = 64
0001 = 128
0010 = 192
0011 = 256
0100 = 384
0101 = 512
0110 = 768
0111 = 1024
1000 = 1408
1001 = 1536
Selects the Sample Rate (fs)
000 = 8kHz
001 = 11.025kHz, 12kHz
010 = 16kHz
011 = 22.05kHz, 24kHz
100 = 32kHz
101 = 44.1kHz, 48kHz
110 to 111 = Reserved
MCLK Invert
0 = MCLK not inverted
1 = MCLK inverted
SYSCLK Source Select
0 = MCLK
1 = FLL output
TOCLK Rate Divider (/2)
0 = f / 2
1 = f / 1
GPIO Clock Output Enable
0 = disabled
1 = enabled
System Clock enable
0 = Disabled
1 = Enabled
DSP Clock enable
0 = Disabled
1 = Enabled
Zero Cross timeout enable
0 = Disabled
1 = Enabled
DESCRIPTION
DESCRIPTION
PD, Rev 4.0, September 2010
REFER TO
REFER TO
WM8918
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