wm8961 Wolfson Microelectronics plc, wm8961 Datasheet - Page 88

• 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 0Bh Right DAC volume
Register 0Eh Audio Interface 2
Register 0Fh Software Reset
REGISTER
ADDRESS
REGISTER
REGISTER
R15 (0Fh)
Interface 2
ADDRESS
R11 (0Bh)
Right DAC
ADDRESS
R14 (0Eh)
Software
volume
Reset
Audio
15:0
BIT
BIT
8:0
BIT
7:0
8
SW_RST_DEV_ID1[15:0] 0001_1000_0000_0001 Software Reset
LRCLK_RATE[8:0] 0_0100_0000 Integer divide of BCLK. 50:50 LRCLK duty cycle is only guaranteed
RDACVOL[7:0]
DACVU
LABEL
LABEL
LABEL
1111_1111
DEFAULT
DEFAULT
0
DEFAULT
DAC digital volume update
Writing 1 to this bit will cause left and right
DAC volumes to be updated (LDACVOL and
RDACVOL)
Right DAC digital volume
FFh -> C0h : 0dB
BFh : -0.375dB
Beh: -0.75dB
….. in steps of -0.375dB to
02h: -71.25dB
01h: -71.625dB
00h: Digital Mute
with even values (4, 6, … … , 510).
0_0000_0000 to 0_0000_0011 : reserved
0_0000_0100 : 4
…
0_0100_0000 : 64
…
1_1111_1110 : 510
1_1111_1111: Reserved
DESCRIPTION
DESCRIPTION
DESCRIPTION
PP, August 2009, Rev 3.1
Pre-Production
88