BU7839GVW_10 Datasheet, PDF (13/16 Pages) Rohm – Digital Input Class-D Headphone Amplifier

BU7839GVW
Technical Note
・At bit[1:0]=”10” (20bit length)
■Rear stuffing format
LRCLK
Lch
BCLK
01
23
10 11 12 13 14 15
SDI
Don't care
Don't care
19 18 17
29 30 31 0 1
23
Rch
13 14 15 16 17 18
210
Don't care
Don't care
19 18 17
29 30 31 0
2
1
0
Don't
care
■Front stuffing format
LRCLK
BCLK
01
23
SDI
19 18 17
Lch
17 18 19 20 21 22
210
Don't care
29 30 31 0 1
23
Don't care
19 18 17
Rch
17 18 19 20 21 22
210
Don't care
29 30 31 0
Don't care
19
■IIS format
LRCLK
BCLK
01
23 4
SDI
Don't
care
19
18
17
Lch
18 19 20 21 22 23
210
Don't care
30 31 0 1
23
Rch
13 18 19 20 21 22 23
Don't care
19 18 17
210
Don't care
30 31 0
Don't care
・At bit[1:0]=”11” (24bit length)
■Rear stuffing format
LRCLK
Lch
BCLK
01
2 3 4 5 6 7 8 9 10
SDI
Don't care
23 24
Rch
29 30 31 0 1
2 3 4 5 6 7 8 9 10
210
Don't care
23 22
29 30 31 0
2
1
0
Don't
care
■Front stuffing format
LRCLK
BCLK
01
23
Lch
22 23 24 25 26 27 28 29 30 31 0 1
23
SDI
23 22 21
10
Don't care
23 22 21
Rch
22 23 24 25 26 27 28 29 30 31 0
10
Don't care
23
■IIS format
LRCLK
BCLK
01
23 4
SDI
Don't
care
23
22
21
Lch
23 24 25 26 27 28 29 30 31 0 1
23
Rch
13 23 24 25 26 27 28 29 30 31 0
10
Don't care
23 22 21
10
Don't care
Fig.7 Audio I/F Format
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13/15
2010.05 - Rev.A