STA335BWSQS datasheet(45/70 Pages) STMICROELECTRONICS

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STA335BWSQS

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6.8.3

AM interference frequency switching

6.8.4

Bass management crossover

Table 55.

AMAME

Bit

RST

Name

Description

AMAME

AutoMode AM Enable

0: Switching frequency determined by PWMS setting

1: Switching frequency determined by AMAM settings

Table 56.

AutoMode 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 57.

Bit

RST

Name

Description

4RW

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.

5RW

XO1

6RW

XO2

7RW

XO3

Table 58.

Bass management crossover frequency

XO[3:0]

Crossover frequency

0000

User-Defined

0001

80 Hz

0010

100 Hz

0011

120 Hz

0100

140 Hz

0101

160 Hz

0110

180 Hz

0111

200 Hz

1000

220 Hz

1001

240 Hz

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