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CS44L10 数据表(PDF) 22 Page - Cirrus Logic

部件名 CS44L10
功能描述  Digital PWH Headphone Monitor
PDF  34 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

CS44L10 数据表(HTML) 22 Page - Cirrus Logic

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CS44L10
22
DS541PP1
4.9.5 DE-EMPHASIS CONTROL (DEM)
Default = 00
00 - Disabled
01 - 44.1 kHz
10 - 48 kHz
11 - 32 kHz
Function:
Selects the appropriate digital filter to maintain the standard 15
µs/50 µs digital de-emphasis filter re-
sponse at 32, 44.1 or 48 kHz sample rates (see Figure 6).
Note: De-emphasis is not available in double speed mode.
LRCK
(kHz)
MCLK/
LRCK
MCLK
(MHz)
PWM
Switching
Freq. (kHz)
48
256
12.288
48
384
18.432
384
48
512
24.576
44.1
256
11.2896
44.1
384
16.9344
352.8
44.1
512
22.5792
32
1024
32.768
512
24
1024
24.576
12
2048
24.576
8
1536
12.288
384
8
2304
18.432
8
3072
24.576
Table 12. Single Speed Clock Modes - Stand-Alone Mode
DBS = 1
MCLKDIV = 0
DBS = 1
MCLKDIV = 1
LRCK
(kHz)
MCLK/
LRCK
MCLK
(MHz)
MCLK/
LRCK
MCLK
(MHz)
FRQSFT1
FRQSFT0
CLKDIV1
CLKDIV0
PWM
Switching
Freq. (kHz)
96
128
12.288
256
24.576
0000
96
192
18.432
384
36.864
0001
384
96
256
24.576
512
49.152
0010
Table 13. Double Speed Clock Modes - Control Port Mode
LRCK
(kHz)
MCLK/
LRCK
MCLK
(MHz)
PWM
Switching
Freq. (kHz)
96
128
12.288
384
96
192
18.432
Table 14. Double Speed Clock Modes - Stand-Alone Mode



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