RT5509WSC datasheet(29/58 Pages) RICHTEK

номер детали	RT5509WSC

подробное описание детали	Speaker Amplifier with Speaker Protection

PDF	58 Pages

Scroll/Zoom	100%

производитель	RICHTEK [Richtek Technology Corporation]

домашняя страница	http://www.richtek.com

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29 / 58 page

RT5509

is a registered trademark of Richtek Technology Corporation

DS5509-00

August

2017

www.richtek.com

ADDR Byte

Bits

R/W

Name

Description

Default

0x03

7:6

Reserved

R/W

D_EN_TRIWAVE

Enable triangle wave generator

R/W

AMPDS

Soft off mode enable

0 : Enter soft mode before off mode

1 : enter off mode directly

R/W

AMPE

Class D Enable

0 : disable Class D

1 : enable Class D

R/W

SPKM

Speaker protection mute

0 : disable speaker protection mute

1 : enable speaker protection mute

R/W

SPKE

Speaker protection block enable

0 : disable speaker protection

1 : enable speaker protection

R/W

PWDN

Chip power down control

0 : chip enable

1 : chip power down

0x04

7:6

Reserved

R/W

DSP_MODE_SEL

0 : DSP_MODE_A

1 : DSP_MODE_B

3:2

R/W

AUD_FMT[1:0]

00 : I2S

01 : Left Justify

10 : Right Justify

2’b00

1:0

R/W

AUD_BITS[1:0]

00 : 24 Bits

01 : 20 Bits

10 : 18 Bits

11 : 16 Bits

2’b00

0x05

BCK_VALID

BCK stable and match with

BCK_MODE setting

R/W

BCK_MODE_DET_EN

Check BCK_VALID to enable audio

path

0 : without check BCK_VALID

1 : check BCK_VALID

4:3

R/W

BCK_MODE[1:0]

BCK Mode Select

00 : 32fs

01 : 48fs

Others : 64fs

2'b10

2:0

R/W

SR_MODE[1:0]

Sampling Rate Select

000 : 8K

001 : 12K/11.025K

010 : 16K

011 : 24K/22.05K

100 : 32K

101 : 48K/44.1K

110 : 96K/88.2K

111: 192K/176.4K

3'b101

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