WM8523GEDT WOLFSON [Wolfson Microelectronics plc], WM8523GEDT Datasheet - Page 29

• Manufacturer Part Number: WM8523GEDT
• Description: 24-bit 192kHz Stereo DAC with 2Vrms Ground Referenced Line Output
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

Production Data
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VOLUME CHANGE MODES
Volume can be adjusted by step change (either using zero cross or not) or by soft ramp. The volume
change mode is controlled by the DAC_VOL_DOWN_RAMP and DAC_VOL_UP_RAMP bits in R5:
Figure 24 illustrates the effect of the volume ramp:
Figure 24 Volume Ramp Functionality
Table 14 Volume Ramp Control
DAC_CTRL3
REGISTER
ADDRESS
05h
R5
BIT
0
1
DAC_VOL
DAC_VOL
_DOWN_
LABEL
RAMP
RAMP
_UP_
DEFAULT
1
0
DAC Digital Volume Decrease Control
0 = apply volume decreases instantly (step)
1 = ramp volume decreases
DAC Digital Volume Increase Control
0 = apply volume increases instantly (step)
1 = ramp volume increases
DESCRIPTION
PD, Rev 4.1, August 2011
WM8523
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