STA538 datasheet(51/59 Pages) STMICROELECTRONICS

部件名	STA538

功能描述	2 x 1.3 W class-D amplifier with analog or digital input 2.0 multichannel digital audio processor with FFX

PDF	59 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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51 / 59 page

STA538

Registers

51/59

MISC

Miscellaneous configuration register

Address:

0x20

Type:

R/W

Buffer:

Reset:

0x21

Description:

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

OSC_DIS

P2P_FS_RANGE[2:0]

ADC_FS_RANGE[1:0]

P2P_IN_ADC

CORE_

CLKENBL

7 OSC_DIS: enable/disable crystal oscillator:

0: default

1: disabled

6:4 P2P_FS_RANGE[2:0]: FFX audio frequency range:

000: very low (fs = 8 to 12 kHz) (default)

001: low (fs = 16 to 24 kHz) (default)

010: normal (fs = 32 to 48 kHz)

011: high (fs = 64 to 96 kHz)

1X: very high (fs = 128 to 192 kHz)

3:2 ADC_FS_RANGE[2:0]: ADC audio frequency range:

00: normal (fs = 32 to 48 kHz)

00: low (fs = 16 to 24 kHz)

1X: very low (fs = 8 to 12 kHz)

00: default

1 P2P_IN_ADC: FFX input:

0: FFX input is from serial-to-parallel audio interface (default)

1: FFX input is from ADC

0 CORE_CLKENBL: availability of system clock:

0: FFX system clock disabled

1: FFX system clock enabled (default)

STA538 数据表(PDF) 51 Page - STMicroelectronics

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