WM8978_06 Wolfson Microelectronics Ltd., WM8978_06 Datasheet - Page 107
WM8978_06
Manufacturer Part Number
WM8978_06
Description
Stereo Codec With Speaker Driver
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet
1.WM8978_06.pdf
(119 pages)
- Current page: 107 of 119
- Download datasheet (2Mb)
Pre-Production
w
51 (33h)
52 (34h)
REGISTER
ADDRESS
4:2
1
0
8:6
5
4:2
1
0
8
7
6
BIT
BYPLMIXVOL
BYPL2L
MIX
DACL2L
MIX
AUXRMIXVOL
AUXR2RMIX
BYPRMIXVOL
BYPR2RMIX
DACR2RMIX
HPVU
LOUT1ZC
LOUT1MUTE
LABEL
000
0
1
000
0
000
0
1
N/A
0
0
DEFAULT
Left bypass volume contol to output channel
mixer:
000 = -15dB
001 = -12dB
…
101 = 0dB
110 = +3dB
111 = +6dB
Left bypass path (from the left channel input
boost output) to left output mixer
0 = not selected
1 = selected
Left DAC output to left output mixer
0 = not selected
1 = selected
Aux right channel input to right mixer volume
control:
000 = -15dB
001 = -12dB
…
101 = 0dB
110 = +3dB
111 = +6dB
Right Auxilliary input to right channel output
mixer:
0 = not selected
1 = selected
Right bypass volume contol to output channel
mixer:
000 = -15dB
001 = -12dB
…
101 = 0dB
110 = +3dB
111 = +6dB
Right bypass path (from the right channel input
boost output) to right output mixer
0 = not selected
1 = selected
Right DAC output to right output mixer
0 = not selected
1 = selected
LOUT1 and ROUT1 volumes do not update until
a 1 is written to HPVU (in reg 52 or 53)
Headphone volume zero cross enable:
1 = Change gain on zero cross only
0 = Change gain immediately
Left headphone output mute:
0 = Normal operation
1 = Mute
DESCRIPTION
PP Rev 3.0 May 2006
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
Analogue
Outputs
REFER TO
WM8978
107
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