wm8595 Wolfson Microelectronics plc, wm8595 Datasheet - Page 35
wm8595
Manufacturer Part Number
wm8595
Description
24-bit 192khz 2vrms Multi-channel Codec
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8595.pdf
(81 pages)
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Production Data
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ANALOGUE MUTE CONTROL
The analogue PGAs can be muted independently and are muted by default. Alternatively, all mute
bits can be set using a master mute bit, MUTE_ALL.
Setting one of these mute bits is equivalent to setting the relevant PGAxx_VOL[7:0] register bits to
mute as defined in Table 22.
Table 25 Analogue Mute Control
PGA ENABLE CONTROL
The PGAs are enabled using PGAxx_EN bits as described in Table 26
INPUT_CTRL4
Table 26 PGA Enable Control
PGA_CTRL2
REGISTER
REGISTER
ADDRESS
ADDRESS
R26
1Ah
R31
1Fh
BIT
BIT
0
1
2
3
4
0
1
2
3
PGA1R_
PGA2R_
PGA1R_
PGA2R_
PGA1L_
PGA2L_
PGA1L_
PGA2L_
MUTE_
LABEL
LABEL
MUTE
MUTE
MUTE
MUTE
ALL
EN
EN
EN
EN
DEFAULT
DEFAULT
0
1
1
1
1
0
Master PGA Mute Control
0 = Unmute all PGAs
1 = Mute all PGAs
Individual PGA Mute Control
0 = Unmute PGA
1 = Mute PGA
PGA Enable Controls
0 = PGA disabled
1 = PGA enabled
DESCRIPTION
DESCRIPTION
PD, Rev 4.1, April 2010
WM8595
35
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