PCM5252 datasheet(89/119 Pages) TI1

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PCM5252

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SLASE63 – NOVEMBER 2014

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 FS period

01: Update every 2 FS periods

10: Update every 4 FS 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 FS period

01: Update every 2 FS periods

10: Update every 4 FS 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

VEDF1

VEDF0

VEDS1

VEDS0

RSV

Reset Value

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 FS period

01: Update every 2 FS periods

10: Update every 4 FS periods

11: Directly set the volume to zero (Instant mute)

VEDS[1:0]

Digital Volume Emergency Ramp Down Step

These bits control the step 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

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