WM8991 datasheet(132/174 Pages) WOLFSON

132 / 174 page

WM8991

Pre-Production

PP, May 2008, Rev 3.1

132

ADDRESS

BIT

LABEL

DEFAULT

DESCRIPTION

AINR_ENA

(rw)

Left Input Path Enable (Enables AINRMUX,

INMIXR, DIFFINR and RXVOICE input to

AINRMUX)

0 = disabled

1 = enabled

LIN34_ENA

(rw)

LIN34 Input PGA Enable

0 = disabled

1 = enabled

LIN12_ENA

(rw)

LIN12 Input PGA Enable

0 = disabled

1 = enabled

RIN34_ENA

(rw)

RIN34 Input PGA Enable

0 = disabled

1 = enabled

RIN12_ENA

(rw)

RIN12 Input PGA Enable

0 = disabled

1 = enabled

ADCL_ENA

(rw)

Left ADC Enable

0 = disabled

1 = enabled

ADCR_ENA

(rw)

Right ADC Enable

0 = disabled

1 = enabled

LON_ENA

(rw)

LON Line Out and LONMIX Enable

0 = disabled

1 = enabled

LOP_ENA

(rw)

LOP Line Out and LOPMIX Enable

0 = disabled

1 = enabled

RON_ENA

(rw)

RON Line Out and RONMIX Enable

0 = disabled

1 = enabled

ROP_ENA

(rw)

ROP Line Out and ROPMIX Enable

0 = disabled

1 = enabled

SPKPGA_ENA

(rw)

SPKMIX Mixer and Speaker PGA Enable

0 = disabled

1 = enabled

Note that SPKMIX and SPKPGA are also

enabled when SPK_ENA is set.

LOPGA_ENA

(rw)

LOPGA Left Volume Control Enable

0 = disabled

1 = enabled

ROPGA_ENA

(rw)

ROPGA Right Volume Control Enable

0 = disabled

1 = enabled

LOMIX_ENA

(rw)

LOMIX Left Output Mixer Enable

0 = disabled

1 = enabled

ROMIX_ENA

(rw)

ROMIX Right Output Mixer Enable

0 = disabled

1 = enabled

R3 (03h)

DACL_ENA

(rw)

Left DAC Enable

0 = disabled

1 = enabled

WM8991 Datasheet(PDF) 132 Page - Wolfson Microelectronics plc

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