WM8351 Datasheet, PDF (255/330 Pages) Wolfson Microelectronics plc – Wolfson AudioPlus™ Stereo CODEC with Power Management

Production Data
WM8351
REGISTER BIT
ADDRESS
R81 (51h)
15
Right Input
Volume
14
LABEL
INR_ENA
INR_MUTE
13
INR_ZC
8
IN_VU
7:2 INR_VOL[5:0]
Register 51h Right Input Volume
DEFAULT
0
0
0
0
01_0000
DESCRIPTION
Right input PGA enable
0 = disabled
1 = enabled
Mute control for right channel input PGA:
0 = Input PGA not muted, normal operation
1 = Input PGA muted (and disconnected from the
following input record mixer).
Right channel input PGA zero cross enable:
0 = Update gain when gain register changes
1 = Update gain on 1st zero cross after gain register
write.
Input left PGA and input right PGA volume do not
update until a 1 is written to either IN_VU register bit.
Right channel input PGA volume
000000 = -12dB
000001 = -11.25dB
.
010000 = 0dB
.
111111 = 35.25dB
REFER TO
REGISTER BIT
ADDRESS
R88 (58h) 15
Left Mixer
Control
LABEL
DEFAULT
MIXOUTL_ENA
0
12 DACR_TO_MIXOUTL
0
11 DACL_TO_MIXOUTL
1
2
IN3L_TO_MIXOUTL
0
1
INR_TO_MIXOUTL
0
0
INL_TO_MIXOUTL
0
Register 58h Left Mixer Control
DESCRIPTION
Left output mixer enable.
0 = disabled
1 = enabled
Right DAC output to left output mixer
0 = not selected
1 = selected
Left DAC output to left output mixer
0 = not selected
1 = selected
IN3L amplifier output to left output mixer:
0 = not selected
1 = selected
Right input PGA output to left output mixer
0 = not selected
1 = selected
Left input PGA output to left output mixer
0 = not selected
1 = selected
REFER TO
w
PD, April 2012, Rev 4.5
255