WM9712L datasheet(18/77 Pages) WOLFSON

部件名	WM9712L

功能描述	AC97 Audio and Touchpanel CODEC

PDF	77 Pages

Scroll/Zoom	100%

制造商	WOLFSON [Wolfson Microelectronics plc]

网页	http://www.wolfsonmicro.com

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18 / 77 page

WM9712L

Production Data

PD Rev 4.5 August 2006

PCBEEP INPUT

Pin 19 (PCBEEP) is a mono, line level input intended for externally generated signal or warning

tones. It is routed directly to the record selector and all three output mixers, without an input

amplifier. The signal gain into each mixer can be independently controlled, with a separate mute bit

for each signal path.

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

B2H

Mute PCBEEP path to headphone mixer

1: Mute, 0: No mute (ON)

14:12

B2HVOL

010

(0dB)

PCBEEP to headphone mixer gain

000: +6dB

… (3dB steps)

111: -15dB

B2S

Mute PCBEEP path to speaker mixer

1: Mute, 0: No mute (ON)

10:8

B2SVOL

010

(0dB)

PCBEEP to speaker mixer gain

000: +6dB

… (3dB steps)

111: -15dB

B2P

Mute PCBEEP path to phone mixer

1: Mute, 0: No mute (ON)

0Ah

PCBEEP input

6:4

B2PVOL

010

(0dB)

PCBEEP to phone mixer gain

000: +6dB

… (3dB steps)

111: -15dB

Table 5 PCBEEP Control

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