sta323wqs STMicroelectronics, sta323wqs Datasheet - Page 50

• Manufacturer Part Number: sta323wqs
• Description: 2.1-channel High-efficiency Digital Audio System With Qsound Qhd??
• Manufacturer: STMicroelectronics

Register descriptions
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Table 56.
When DDX
automatically adjust the output PWM switching rate so that it depends on the specific radio
frequency that the tuner is receiving. The values used in AMAM are also dependent upon
the sample rate that is determined by the ADC used.
Table 57.
Table 58.
7…4 R/W
Bit
AMAM (2..0)
R/W
XO (2..0)
100
101
110
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
®
Auto mode AM switching frequency selection (continued)
Automode crossover setting
Crossover frequency selection
is used with an AM radio tuner, it is recommended to use the AMAM bits to
0
RST
XO (3…0)
Name
48 kHz/96 kHz input Fs
1.301 MHz – 1.480 MHz
1.481 MHz – 1.600 MHz
1.601 MHz – 1.700 MHz
Bass management - crossover frequency
000: user defined crossover coefficients are used
Otherwise: preset coefficients are used for the required
crossover setting
100 Hz
120 Hz
140 Hz
160 Hz
180 Hz
200 Hz
220 Hz
240 Hz
260 Hz
280 Hz
300 Hz
320 Hz
340 Hz
360 Hz
80 Hz
User
Description
44.1 kHz/88.2 kHz input Fs
1.181 MHz – 1.340 MHz
1.341 MHz – 1.500 MHz
1.501 MHz – 1.700 MHz
STA323WQS