STA335BWS datasheet(45/68 Pages) STMICROELECTRONICS

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STA335BWS

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6.8.3

AM interference frequency switching

6.8.4

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 20.

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 21.

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

1010

260 Hz

1011

280 Hz

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