wm8961 Wolfson Microelectronics plc, wm8961 Datasheet - Page 91

• Manufacturer Part Number: wm8961
• Description: Ultra-low Power Stereo Codec With 1w Stereo Class D Speaker Drivers And Ground Referenced Headphone Drivers
• Manufacturer: Wolfson Microelectronics plc

w
WM8961
Register 16h Right ADC volume
Register 17h Additional control(1)
Register 18h Additional Control (2)
REGISTER
REGISTER
REGISTER
ADDRESS
Right ADC
ADDRESS
ADDRESS
R22 (16h)
R23 (17h)
R24 (18h)
Additional
Additional
control(1)
control(2)
volume
BIT
7:0
BIT
BIT
8
8
4
0
3
RADCVOL[7:0]
DMONOMIX
ADCVU
TSDEN
LABEL
LABEL
LABEL
TOEN
TRIS
1100_0000
DEFAULT
DEFAULT
DEFAULT
0
0
1
0
0
Tristates ADCDAT and switches LRC and BCLK to inputs.
0 : ADCDAT is an output; LRC and BCLK are inputs (slave mode) or
outputs (master mode)
1 : ADCDAT is tristated; LRC and BCLK are inputs
ADC digital volume update
Writing 1 to this bit will cause left and right ADC volumes to be updated
(LADCVOL and RADCVOL)
ADC Right Channel Digital Volume.
FFh -> Efh: +17.625dB
EEh: +17.25dB
…… in steps of -0.375dB to
C0h : 0dB
BFh : -0.375dB
Beh: -0.75dB
….. in steps of -0.375dB to
02h: -71.25dB
01h: -71.625dB
00h: Digital Mute
Enable auto shutdown of speaker driver on temperature overheat
condition
0 : Thermal Shutdown disabled
1 : Thermal Shutdown enabled
(TSENSEN must be enabled for this function to work)
DAC Mono Mix
0 : Stereo
1 : Mono (Mono MIX output on enabled DAC)
Note: Only one DAC can be enabled when using this feature
Slow clock enable for volume update timeout
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, August 2009, Rev 3.1
Pre-Production
91