wm9081 Wolfson Microelectronics plc, wm9081 Datasheet - Page 87
wm9081
Manufacturer Part Number
wm9081
Description
Mono Dac With 2.6w Class Ab/d Speaker Driver, Dynamic Range Controller And Retune Mobile Parametric Equalizer
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM9081.pdf
(109 pages)
- Current page: 87 of 109
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Pre-Production
Register 0Bh Power Management
Register 0Ch Clock Control 1
w
REGISTER
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
R12 (0Ch)
R13 (0Dh)
Control 1
Control 2
Clock
Clock
12:10
BIT
BIT
BIT
9:8
7:4
3:0
7
CLK_OP_DIV[2
CLK_TO_DIV[1
SAMPLE_RAT
CLK_SYS_RA
MCLKDIV2
LABEL
LABEL
LABEL
TE[3:0]
E[3:0]
:0]
:0]
DEFAULT
DEFAULT
DEFAULT
0011
1000
000
00
0
1 = Enabled
OPCLK Clock Divider
000 = CLK_SYS
001 = CLK_SYS / 2
010 = CLK_SYS / 3
011 = CLK_SYS / 4
100 = CLK_SYS / 6
101 = CLK_SYS / 8
110 = CLK_SYS / 12
111 = CLK_SYS / 16
TOCLK (timeout/ slow clock) frequency select
00 = 125Hz
01 = 250Hz
10 = 500Hz
11 = 1kHz
MCLK Divider
0 = MCLK
1 = MCLK / 2
Selects the CLK_SYS / 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)
0000 = 8kHz
0001 = 11.025kHz
0010 = 12kHz
0011 = 16kHz
0100 = 22.05kHz
0101 = 24kHz
0110 = 32kHz
0111 = 44.1kHz
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, Rev 3.0, April 2009
Converter
(DAC)
Power
Managemen
t
Clocking
and Sample
Rates
Clocking
and Sample
Rates
Clocking
and Sample
Rates
Clocking
and Sample
Rates
Clocking
and Sample
Rates
REFER TO
REFER TO
REFER TO
WM9081
87
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