Datasheet
PCM5141, PCM5142
www.ti.com
SLAS759A –AUGUST 2012–REVISED SEPTEMBER 2012
Page 0 / Register 63
Dec Hex b7 b6 b5 b4 b3 b2 b1 b0
63 3F VNDF1 VNDF0 VNDS1 VNDS0 VNUF1 VNUF0 VNUS1 VNUS0
Reset Value 0 0 1 0 0 0 1 0
VNDF[1:0] Digital Volume Normal Ramp Down Frequency
These bits control the frequency of the digital volume updates when the volume is ramping down.The setting
here is applied to soft mute request, asserted by XSMUTE pin or Page 0 / Register 3.
Default value: 00
00: Update every 1 sample period
01: Update every 2 sample periods
10: Update every 4 sample periods
11: Directly set the volume to zero (Instant mute)
VNDS[1:0] Digital Volume Normal Ramp Down Step
These bits control the step of the digital volume updates when the volume is ramping down.The setting here is
applied to soft mute request, asserted by XSMUTE pin or Page 0 / Register 3.
Default value: 10
00: Decrement by 4 dB for each update
01: Decrement by 2 dB for each update
10: Decrement by 1 dB for each update
11: Decrement by 0.5 dB for each update
VNUF[1:0] Digital Volume Normal Ramp Up Frequency
These bits control the frequency of the digital volume updates when the volume is ramping up.The setting here
is applied to soft unmute request, asserted by XSMUTE pin or Page 0 / Register 3.
Default value: 00
00: Update every 1 sample period
01: Update every 2 sample periods
10: Update every 4 sample periods
11: Directly restore the volume (Instant unmute)
VNUS[1:0] Digital Volume Normal Ramp Up Step
These bits control the step of the digital volume updates when the volume is ramping up.The setting here is
applied to soft unmute request, asserted by XSMUTE pin or Page 0 / Register 3.
Default value: 10
00: Increment by 4 dB for each update
01: Increment by 2 dB for each update
10: Increment by 1 dB for each update
11: Increment by 0.5 dB for each update
Page 0 / Register 64
Dec Hex b7 b6 b5 b4 b3 b2 b1 b0
64 40 VEDF1 VEDF0 VEDS1 VEDS0 RSV RSV RSV RSV
Reset Value 0 0 0 0
RSV Reserved
Reserved. Do not access.
VEDF[1:0] Digital Volume Emergency Ramp Down Frequency
These bits control the frequency of the digital volume updates when the volume is ramping down due to clock
error or power outage, which usually needs faster ramp down compared to normal soft mute.
Default value: 00
00: Update every 1 sample period
01: Update every 2 sample periods
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