STA335BW datasheet(35/54 Pages) STMICROELECTRONICS

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STA335BW

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5.8.3

AM interference frequency switching

5.8.4

Bass management crossover

Bit

R/W

RST

Name

Description

R/W

AMAME

AutoMode AM Enable

0 – Switching Frequency Determined by PWMS

Setting

1 – Switching Frequency Determined by AMAM

Settings

Table 18.

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

Bit

R/W

RST

Name

Description

4R/W

XO0

Selects the Bass-Management Crossover

Frequency. A 1st-Order Hi-Pass filter (channels 1

and 2) or a 2nd-Order Lo-pass filter (channel 3) at

the selected frequency is performed.

5R/W

XO1

6R/W

XO2

7R/W

XO3

Table 19.

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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