WM8523 Datasheet, PDF (37/46 Pages) Wolfson Microelectronics plc – 24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output

Production Data
WM8523
REGISTER BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
ADDRESS
R6 (06h)
9
DAC_GAINL
DACL_VU
0
Left DAC Digital Volume Update
Page 26
0 = Latch Left DAC volume setting into register map
but do not update volume
1 = Latch Left DAC volume setting into register map
and update left and right channels simultaneously
8:0 DACL_VOL[8:0] 1_1001_0000 Left DAC Digital Volume Control
Page 26
0 0000 0000 = -100dB
0 0000 0001 = -99.75dB
0 0000 0010 = -99.5dB
…0.25dB steps
1 1001 0000 = 0dB
…0.25dB steps
1 1011 1110 = +11.75dB
1 11XX XXXX = +12dB
Register 06h DAC_GAINL
REGISTER BIT
LABEL
DEFAULT
DESCRIPTION
ADDRESS
R7 (07h)
9
DAC_GAINR
DACR_VU
0
Right DAC Digital Volume Update
0 = Latch Right DAC volume setting into register
map but do not update volume
1 = Latch Right DAC volume setting into register
map and update left and right channels
simultaneously
8:0 DACR_VOL[8:0] 1_1001_0000 Right DAC Digital Volume Control
0 0000 0000 = -100dB
0 0000 0001 = -99.75dB
0 0000 0010 = -99.5dB
…0.25dB steps
1 1001 0000 = 0dB
…0.25dB steps
1 1011 1110 = +11.75dB
1 11XX XXXX = +12dB
Register 07h DAC_GAINR
REGISTER
ADDRESS
R8 (08h)
ZERO_
DETECT
BIT
LABEL
0 ZD_COUNT[1:0]
Register 08h ZERO_DETECT
DEFAULT
0
DESCRIPTION
Zero Detect Count Control
0 = 1024
1 = 2048
REFER TO
Page 26
Page 26
REFER
TO
Page 29
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PD, Rev 4.2, August 2013
37