sta381bw STMicroelectronics, sta381bw Datasheet - Page 124

• Manufacturer Part Number: sta381bw
• Description: Sound Terminal 2.1-channel High-efficiency Digital Audio System
• Manufacturer: STMicroelectronics

Register description: Sound Terminal compatibility
7.8
7.8.1
7.8.2
7.8.3
124/168
Audio preset registers (addr 0x0C)
Audio preset register (addr 0x0C)
AM interference frequency switching
Table 135. AM interference frequency switching bits
Table 136. Audio preset AM switching frequency selection
Bass management crossover
Table 137. Bass management crossover
Bit
Bit
0
4
5
6
7
XO3
D7
0
AMAM[2:0]
000
001
010
011
100
101
110
R/W
R/W
R/W
R/W
R/W
R/W
R/W
XO2
D6
0
RST
RST
0
0
0
0
0
XO1
D5
0
48 kHz/96 kHz input fs
0.535 MHz - 0.720 MHz
0.721 MHz - 0.900 MHz
0.901 MHz - 1.100 MHz
1.101 MHz - 1.300 MHz
1.301 MHz - 1.480 MHz
1.481 MHz - 1.600 MHz
1.601 MHz - 1.700 MHz
AMAME
Name
Doc ID 018835 Rev 2
Name
XO0
XO1
XO2
XO3
XO0
D4
0
Audio preset AM enable
0: switching frequency determined by PWMS setting
1: switching frequency determined by AMAM settings
Selects the bass management crossover frequency.
A 1
2
frequency is performed.
nd
-order low-pass filter (channel 3) at the selected
st
-order high-pass filter (channels 1 and 2) or a
AMAM2
D3
0
AMAM1
Description
44.1 kHz/88.2 kHz input fs
Description
D2
0
0.535 MHz - 0.670 MHz
0.671 MHz - 0.800 MHz
0.801 MHz - 1.000 MHz
1.001 MHz - 1.180 MHz
1.181 MHz - 1.340 MHz
1.341 MHz - 1.500 MHz
1.501 MHz - 1.700 MHz
AMAM0
D1
0
STA381BW
AMAME
D0
0