STA015T datasheet(27/56 Pages) STMICROELECTRONICS

tên linh kiện	STA015T

Giải thích chi tiết về linh kiện	MPEG 2.5 LAYER III AUDIO DECODER WITH ADPCM CAPABILITY

PDF	56 Pages

Scroll/Zoom	100%

nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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27 / 56 page

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STA015

DLB

Address: 0x47 (71)

Type: R/W

Software Reset: 0xFF

Hardware Reset: 0xFF

DLB register is used to re-direct the Left Channel on the Right, or to mix both the Channels. Default value

is 0x00, corresponding at the maximum attenuation in the re-direction channel.

DRA

Address: 0x48 (72)

Type: R/W

Software Reset: 0X00

Hardware Reset: 0X00

DRA register is used to attenuate the level of audio output at the Right Channel using the butterfly shown

in Fig. 11. When the register is set to255 (0xFF), the maximum attenuation is achieved.

A decimal unit correspond to an attenuation stepof 1 dB.

MSB

LSB

Description

DLB7

DLB6

DLB5

DLB4

DLB3

DLB2

DLB1

DLB0

OUTPUT ATTENUATION

00000000

NO ATTENUATION

00000001

-1dB

00000010

-2dB

::::::

01100000

-96dB

MSB

LSB

Description

DRA7

DRA6

DRA5

DRA4

DRA3

DRA2

DRA1

DRA0

OUTPUT ATTENUATION

0000

NO ATTENUATION

0000

-1dB

0000

-2dB

::::

1100

-96dB

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