WM8980CGEFL/RV WOLFSON [Wolfson Microelectronics plc], WM8980CGEFL/RV Datasheet - Page 57

• Manufacturer Part Number: WM8980CGEFL/RV
• Description: Stereo CODEC with Speaker Driver and Video Buffer
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

Pre-Production
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Table 39 Left and Right Output Mixer Control
HEADPHONE OUTPUTS (LOUT1 AND ROUT1)
The headphone outputs, LOUT1 and ROUT1 can drive a 16 or 32 headphone load, either through
DC blocking capacitors, or DC coupled without any capacitor. Each headphone output has an
analogue volume control PGA with a gain range of -57dB to +6dB as shown in Figure 29.
R51
Right channel
output mixer
control
R3
Power
management
3
REGISTER
ADDRESS
0
1
4:2
5
8:6
2
3
BIT
DACR2RMIX
BYPR2RMIX
BYPRMIXVOL
AUXR2RMIX
AUXRMIXVOL
LMIXEN
RMIXEN
LABEL
DEFAULT
000
000
0
0
1
0
0
Right DAC output to right output
mixer
0 = not selected
1 = selected
Right bypass path (from the right
channel input boost output) to right
output mixer
0 = not selected
1 = selected
Right bypass volume control to
output channel mixer:
000 = -15dB
001 = -12dB
…
101 = 0dB
110 = +3dB
111 = +6dB
Right Auxiliary input to right channel
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
Left output channel mixer enable:
0 = disabled
1= enabled
Right output channel mixer enable:
0 = disabled
1 = enabled
DESCRIPTION
PP, Rev 3.8, May 2012
WM8980
57