STA333BW datasheet(42/64 Pages) STMICROELECTRONICS

tên linh kiện	STA333BW

Giải thích chi tiết về linh kiện	2.1-channel high-efficiency digital audio system

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STA333BW

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6.8

Auto mode registers (0x0B and 0x0C)

6.8.1

AutoMode register 1 (0x0B)

6.8.2

AutoMode register 2 (0x0C)

6.8.3

AM interference frequency switching

AMGC1

AMGC2

Table 18.

AutoMode gain compression/limiters selection

AMGC[1:0]

Mode

User programmable GC

AC no clipping 2.1

AC limited clipping (10%) 2.1

DRC nighttime listening mode 2.1

XO3

XO2

XO1

XO0

AMAM2

AMAM1

AMAM0

AMAME

000

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 19.

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 to 0.720 MHz

0.535 MHz to 0.670 MHz

001

0.721 MHz to 0.900 MHz

0.671 MHz to 0.800 MHz

010

0.901 MHz to 1.100 MHz

0.801 MHz to 1.000 MHz

011

1.101 MHz to 1.300 MHz

1.001 MHz to 1.180 MHz

100

1.301 MHz to 1.480 MHz

1.181 MHz to 1.340 MHz

101

1.481 MHz to 1.600 MHz

1.341 MHz to 1.500 MHz

110

1.601 MHz to 1.700 MHz

1.501 MHz to 1.700 MHz

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