Datasheet

PCM5141, PCM5142
www.ti.com SLAS759A –AUGUST 2012–REVISED SEPTEMBER 2012
others: Reserved (do not set)
Page 0 / Register 44
Dec Hex b7 b6 b5 b4 b3 b2 b1 b0
44 2C RSV RSV RSV RSV RSV CMDP2 CMDP1 CMDP0
Reset Value 0 0 0
RSV Reserved
Reserved. Do not access.
CMDP[2:0] Clock Missing Detection Period
These bits set how long both BCK and LRCK keep low before the audio clocks deemed missing and the DAC
transitions to powerdown mode.
Default value: 000
000: about 1 second
001: about 2 seconds
010: about 3 seconds
...
111: about 8 seconds
Page 0 / Register 59
Dec Hex b7 b6 b5 b4 b3 b2 b1 b0
59 3B RSV AMTL2 AMTL1 AMTL0 RSV AMTR2 AMTR1 AMTR0
Reset Value 0 0 0 0 0 0
RSV Reserved
Reserved. Do not access.
AMTL[2:0] Auto Mute Time for Left Channel
These bits specify the length of consecutive zero samples at left channel before the channel can be auto
muted. The times shown are for 48 kHz sampling rate and will scale with other rates.
Default value: 000
000: 21 ms
001: 106 ms
010: 213 ms
011: 533 ms
100: 1.07 sec
101: 2.13 sec
110: 5.33 sec
111: 10.66 sec
AMTR[2:0] Auto Mute Time for Right Channel
These bits specify the length of consecutive zero samples at right channel before the channel can be auto
muted. The times shown are for 48 kHz sampling rate and will scale with other rates.
Default value: 000
000: 21 ms
001: 106 ms
010: 213 ms
011: 533 ms
100: 1.07 sec
101: 2.13 sec
110: 5.33 sec
111: 10.66 sec
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Product Folder Links: PCM5141 PCM5142