STA309A datasheet(42/67 Pages) STMICROELECTRONICS

部件名	STA309A

功能描述	Multi-channel digital audio processor with DDX

PDF	67 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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42 / 67 page

Registers

STA309A

42/67

7.2.35

PREEQ - Preset EQ settings (0x22)

Table 62.

AMAME bits

Bit

RST

Name

Description

4RW

AMAME

AutoMode AM enable

0: switching frequency determined by PWMS settings

1: switching frequency determined by AMAM settings

Table 63.

AMAM bits

AMAM[2:0]

48 kHz/96 kHz input Fs

44.1 / 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

XO2

XO1

XO0

PEQ4

PEQ3

PEQ2

PEQ1

PEQ0

000

Table 64.

XO bits

XO[2:0]

Bass management

crossover frequency

000

70 Hz

001

80 Hz

010

90 Hz

011

100 Hz

100

110 Hz

101

120 Hz

110

140 Hz

111

160 Hz

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