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STA381BW датащи(PDF) 69 Page - STMicroelectronics

номер детали STA381BW
подробное описание детали  Sound Terminal® 2.1-channel high-efficiency digital audio system
PDF  171 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA381BW датащи(HTML) 69 Page - STMicroelectronics

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STA381BW
Register description: New Map
Doc ID 018835 Rev 7
69/171
6.20
Audio preset registers (0x1D)
6.20.1
AM interference frequency switching
6.20.2
Bass management crossover
D7
D6
D5
D4
D3
D2
D1
D0
XO3
XO2
XO1
XO0
AMAM2
AMAM1
AMAM0
AMAME
00
00
00
0
0
Table 56.
AM interference frequency switching bits
Bit
R/W
RST
Name
Description
0
R/W
0
AMAME
Audio preset AM enable
0: switching frequency determined by PWMS setting
1: switching frequency determined by AMAM settings
Table 57.
Audio preset AM switching frequency selection
AMAM[2:0]
48 kHz/96 kHz input fs
44.1 kHz/88.2 kHz input fs
000
0.535 MHz - 0.720 MHz
0.535 MHz - 0.670 MHz
001
0.721 MHz - 0.900 MHz
0.671 MHz - 0.800 MHz
010
0.901 MHz - 1.100 MHz
0.801 MHz - 1.000 MHz
011
1.101 MHz - 1.300 MHz
1.001 MHz - 1.180 MHz
100
1.301 MHz - 1.480 MHz
1.181 MHz - 1.340 MHz
101
1.481 MHz - 1.600 MHz
1.341 MHz - 1.500 MHz
110
1.601 MHz - 1.700 MHz
1.501 MHz - 1.700 MHz
Table 58.
Bass management crossover
Bit
R/W
RST
Name
Description
4R/W
0
XO0
Selects the bass management crossover frequency.
A 1st-order high-pass filter (channels 1 and 2) or a
2nd-order low-pass filter (channel 3) at the selected
frequency is performed.
5R/W
0
XO1
6R/W
0
XO2
7R/W
0
XO3



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