sta339bws STMicroelectronics, sta339bws Datasheet - Page 48

• Manufacturer Part Number: sta339bws
• Description: 2.1-channel High-efficiency Digital Audio System
• Manufacturer: STMicroelectronics

Register description
6.8.3
6.8.4
48/77
AM interference frequency switching
Table 56.
Table 57.
Bass management crossover
Table 58.
Table 59.
Bit
Bit
0
4
5
6
7
AMAM[2:0]
000
001
010
011
100
101
110
XO[3:0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
AM interference frequency switching bits
Audio preset AM switching frequency selection
Bass management crossover
Bass management crossover frequency
RST
RST
0
0
0
0
0
User-defined
80 Hz
100 Hz
120 Hz
140 Hz
160 Hz
180 Hz
200 Hz
220 Hz
240 Hz
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
48 kHz/96 kHz input fs
AMAME
Name
Name
XO0
XO1
XO2
XO3
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 1st-order hign-pass filter (channels 1 and 2) or a
2nd-order low-pass filter (channel 3) at the selected
frequency is performed.
Crossover frequency
Description
44.1 kHz/88.2 kHz input fs
Description
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
STA339BWS