CS47L35 datasheet(140/300 Pages) CIRRUS

140 / 300 page

140

DS1085F3

CS47L35

4.11 Output Signal Path

Table 4-67. Output Signal Path Digital Volume Control

Bit

Label

Default

Description

R1033 (0x0409)

Output_Volume_

Ramp

6:4

OUT_VD_

RAMP[2:0]

010

Output Volume Decreasing Ramp Rate (seconds/6 dB)

This field should not be changed while a volume ramp is in progress.

000 = 0 ms

001 = 0.5 ms

010 = 1 ms

011 = 2 ms

100 = 4 ms

101 = 8 ms

110 = 15 ms

111 = 30 ms

2:0

OUT_VI_

RAMP[2:0]

010

Output Volume Increasing Ramp Rate (seconds/6 dB)

This field should not be changed while a volume ramp is in progress.

000 = 0 ms

001 = 0.5 ms

010 = 1 ms

011 = 2 ms

100 = 4 ms

101 = 8 ms

110 = 15 ms

111 = 30 ms

R1041 (0x0411)

DAC_Digital_

Volume_1L

OUT_VU

See

Footnote 1

Output Signal Paths Volume Update. Writing 1 to this bit causes the Output Signal

Paths Volume and Mute settings to be updated simultaneously

OUT1L_MUTE

Output Path 1 (Left) Digital Mute

0 = Unmute

1 = Mute

7:0

OUT1L_VOL[7:0]

0x80

Output Path 1 (Left) Digital Volume (see Table 4-68 for volume register definition).

–64 dB to +31.5 dB in 0.5-dB steps

0x00 = –64dB

0x01 = –63.5dB

… (0.5-dB steps)

0x80 = 0 dB

… (0.5-dB steps)

0xBF = +31.5 dB

0xC0 to 0xFF = Reserved

R1045 (0x0415)

DAC_Digital_

Volume_1R

OUT_VU

See

Footnote 1

Output Signal Paths Volume Update. Writing 1 to this bit causes the Output Signal

Paths Volume and Mute settings to be updated simultaneously

OUT1R_MUTE

Output Path 1 (Right) Digital Mute

0 = Unmute

1 = Mute

7:0

OUT1R_VOL[7:0]

0x80

Output Path 1 (Right) Digital Volume (see Table 4-68 for volume register

definition).

–64 dB to +31.5 dB in 0.5-dB steps

0x00 = –64dB

0x01 = –63.5dB

… (0.5-dB steps)

0x80 = 0 dB

… (0.5-dB steps)

0xBF = +31.5 dB

0xC0 to 0xFF = Reserved

R1065 (0x0429)

DAC_Digital_

Volume_4L

OUT_VU

See

Footnote 1

Output Signal Paths Volume Update. Writing 1 to this bit causes the Output Signal

Paths Volume and Mute settings to be updated simultaneously

OUT4L_MUTE

Output Path 4 (Left) Digital Mute

0 = Unmute

1 = Mute

7:0

OUT4L_VOL[7:0]

0x80

Output Path 4 (Left) Digital Volume (see Table 4-68 for volume register definition).

–64 dB to +31.5 dB in 0.5-dB steps

0x00 = –64dB

0x01 = –63.5dB

… (0.5-dB steps)

0x80 = 0 dB

… (0.5-dB steps)

0xBF = +31.5 dB

0xC0 to 0xFF = Reserved

R1073 (0x0431)

DAC_Digital_

Volume_5R

OUT_VU

See

Footnote 1

Output Signal Paths Volume Update. Writing 1 to this bit causes the Output Signal

Paths Volume and Mute settings to be updated simultaneously

OUT5L_MUTE

Output Path 5 (Left) Digital Mute

0 = Unmute

1 = Mute

7:0

OUT5L_VOL[7:0]

0x80

Output Path 5 (Left) Digital Volume (see Table 4-68 for volume register definition).

–64 dB to +31.5 dB in 0.5-dB steps

0x00 = –64dB

0x01 = –63.5dB

… (0.5-dB steps)

0x80 = 0 dB

… (0.5-dB steps)

0xBF = +31.5 dB

0xC0 to 0xFF = Reserved

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