STW5098T datasheet(33/86 Pages) STMICROELECTRONICS

tên linh kiện	STW5098T

Giải thích chi tiết về linh kiện	Dual low power asynchronous stereo audio Codec with integrated power amplifiers

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Control registers

STw5098

32/85

5.3

Gains

CR#

(hex)

Description

D7D6D5D4

D2D1

Def.

CR3

(03h)

Mic gain left

MICLA(2:0)

MICLG(4:0)

0000

CR4

(04h)

Mic gain right

MICRA(2:0)

MICRG(4:0)

0000

CR5

(05h)

Line in gain left

LINLG(4:0)

0000

1001

CR6

(06h)

Line in gain right

LINRG(4:0)

0000

1001

CR7

(07h)

LO gain & LS

gain

LOG(2:0)

LSG(3:0)

0000

0011

CR8

(08h)

HPL gain

HPLG(4:0)

0000

0011

CR9

(09h)

HPR gain

HPRG(4:0)

0000

0011

CR10

(0Ah)

DAC digital gain

left

DACLG(5:0)

0000

CR11

(0Bh)

DAC digital gain

right

DACRG(5:0)

0000

CR12

(0Ch)

ADC digital gain

left

ADCLG(5:0)

0000

1000

CR13

(0Dh)

ADC digital gain

right

ADCRG(5:0)

0000

1000

Table 6.

CR3 and CR4 description

Bits

Name CR3

Name CR4

Value

CR3 and CR4 description

Def.

7-5

MICLA(2:0)

MICRA(2:0)

000

001

010

...

110

111

Left (CR3) and right (CR4) channels microphone attenuation

0.0 dB gain (default)

-1.5 dB gain

-3.0 dB gain

...step 1.5 dB

-9.0 dB gain

-12.0 dB gain

000

4-0

MICLG(4:0)

MICRG(4:0)

00000

00001

00010

...

11010

Left (CR3) and right (CR4) channels microphone gain

0.0 dB gain (default)

1.5 dB gain

3.0 dB gain

...step 1.5 dB

39.0 dB gain

00000

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