WM9714CLGEFLSLASHV datasheet(32/120 Pages) CIRRUS

32 / 120 page

WM9714L

Rev 4.0

RECORD SELECTOR

The record selector determines which input signals are routed into the audio ADC. The left and right

channels can be selected independently. This is useful for recording a phone call: one channel can be

used for the RX signal and the other for the TX signal, so that both sides of the conversation are

digitized.

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

14h

Record

Routing /

Mux Select

RECBST

ADC Record Boost Control

1 = +20dB

0 = 0dB

Note: RECBST gain is in addition to the

microphone pre-amps (MPABST and

MPBBST bits) and record gain (GRL and

GRR / GRL bits).

5:3

RECSL

000

Left Record Mux Source Control

000 = MICA (pre-PGA)

001 = MICB (pre-PGA)

010 = LINEL (pre-PGA)

011 = MONOIN (pre-PGA)

100 = HPMIXL

101 = SPKMIC

110 = MONOMIX

111 = Reserved

2:0

RECSR

000

Right Record Mux Source Control

000 = MICA (pre-PGA)

001 = MICB (pre-PGA)

010 = LINEL (pre-PGA)

011 = MONOIN (pre-PGA)

100 = HPMIXL

101 = SPKMIC

110 = MONOMIX

111 = Reserved

Table 11 Audio Record Selector

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