WM8351 datasheet(86/330 Pages) WOLFSON

部件名	WM8351

功能描述	Wolfson AudioPlus??Stereo CODEC with Power Management

PDF	330 Pages

Scroll/Zoom	100%

制造商	WOLFSON [Wolfson Microelectronics plc]

网页	http://www.wolfsonmicro.com

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86 / 330 page

WM8351

Production Data

PD, April 2012, Rev 4.5

A beep signal on the IN3R pin (see Table 43) can be mixed into OUT2R independently of the right

output mixer (i.e. without mixing the same beep signal into OUT1R).

Note that this feature is only possible when the inverting path configuration (MIXOUTR to OUT2R) is

selected. See Table 41 for the required register settings.

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

R111 (6Fh)

Beep

Volume

IN3R_TO_O

UT2R

Beep mixer enable

0 = disabled

1 = enabled

7:5

IN3R_OUT2R

_VOL [2:0]

000

Beep mixer volume:

000 = -15dB

… in +3dB steps

111 = +6dB

Table 43 Controlling the “Beep” Path (IN3R to OUT2R)

13.9.3

HEADPHONE OUTPUTS EXTERNAL CONNECTIONS

Some example headphone output configurations are shown below.

Figure 46 AC-Coupled Headphone Drive

Figure 47 DC-Coupled (Capless) Mode

Headphone Drive

Figure 48 AC-Coupled Headphone Drive

with Common Mode Noise Rejection

WM8351 数据表(PDF) 86 Page - Wolfson Microelectronics plc

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