WM8731SEDSSLASHR datasheet(50/63 Pages) WOLFSON

部品番号	WM8731SEDS/R

部品情報	Portable Internet Audio CODEC with Headphone Driver and Programmable Sample Rates

PDF	63 Pages

Scroll/Zoom	100%

メーカー	WOLFSON [Wolfson Microelectronics plc]

ホームページ	http://www.wolfsonmicro.com

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50 / 63 page

WM8731 / WM8731L

Production Data

PD Rev 4.3 August 2006

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

6:0

RHPVOL

[6:0]

1111001

( 0dB )

Right Channel Headphone Output

Volume Control

1111111 = +6dB

. . 1dB steps down to

0110000 = -73dB

0000000 to 0101111 = MUTE

RZCEN

Right Channel Zero Cross detect

Enable

1 = Enable

0 = Disable

0000011

Right

Headphone Out

RLHPBOTH

Right to Left Channel Headphone

Volume, Mute and Zero Cross Data

Load Control

1 = Enable Simultaneous Load of

RHPVOL[6:0] and RZCEN to

LHPVOL[6:0] and LZCEN

0 = Disable Simultaneous Load

MICBOOST

Microphone Input Level Boost

1 = Enable Boost

0 = Disable Boost

MUTEMIC

Mic Input Mute to ADC

1 = Enable Mute

0 = Disable Mute

INSEL

Microphone/Line Input Select to ADC

1 = Microphone Input Select to ADC

0 = Line Input Select to ADC

BYPASS

Bypass Switch

1 = Enable Bypass

0 = Disable Bypass

DACSEL

DAC Select

1 =Select DAC

0 = Don’t select DAC

SIDETONE

Side Tone Switch

1 = Enable Side Tone

0 = Disable Side Tone

0000100

Analogue Audio

Path Control

7:6

SIDEATT[1:0]

Side Tone Attenuation

11 = -15dB

10 = -12dB

01 = -9dB

00 = -6dB

WM8731SEDS/R データシート(PDF) 50 Page - Wolfson Microelectronics plc

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