Datasheet

Technical Note
13/31
BD5446EFV
www.rohm.com
2011.06 - Rev.C
© 2011 ROHM Co., Ltd. All rights reserved.
LRCLK
(SDATA2)
BCLK
SDATA1
Lch
Rch
32 clocks
32 clocks
Fig.20 I
2
S Data Format 64fs, 24 bit Data
MSB
22 21 20 19 18 17 16 15 14
MSB
22 21 20 19 18 17 16 15 1413 12 11
10 9
8 13 12 11
10 9
87
6
76
3
54
1
2
LSB
3
54
12
LSB
MSB
18 17 9 8 7 6 5
MSB
18 1716 15 14 13 12 11 10
4321
LSB
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
LSB
LRCLK
(SDATA2)
BCLK
SDATA1
Lch
Rch
Fig.21 I
2
S Data Format 64fs, 20 bit Data
MSB MSB
LRCLK
(SDATA2)
BCLK
SDATA1
Lch
Rch
9876514 13 12 11 10
4321
LSB
9876514 13 12 11 10
4321
LSB
Fig.22 I
2
S Data Format 64fs, 16 bit Data
1/64fs
LRCLK
(SDATA2)
BCLK
SDATA1
Lch1/64fs
Rch
32 clocks
32 clocks
Fig.23 Left-Justified Data Format 64fs, 24 bit Data
MSB
22 21 20 19 18 17 16 15 14
MSB
22 21 20 19 18 17 16 15 1413 12 11
10 9
8
13 12 11
10 9
87
6
7
6
3
54
1
2
LSB
354 12
LSB
MSB
18 17 9 8 7 6 5
MSB
18 1716 15 14 13 12 11 10
4321
LSB
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
LSB
LRCLK
(SDATA2)
BCLK
SDATA1
Lch
Rch
Fig.24 Left-Justified Data Format 64fs, 20 bit Data
MSB MSB
LRCLK
(SDATA2)
BCLK
SDATA1
Lch
Rch
9876514 13 12 11 10
4321
LSB
9876514 13 12 11 10
4321
LSB
Fig.25 Left-Justified Data Format 64fs, 16 bit Data
●I
2
S data format
The Low section of LRCLK becomes Lch, the High section of LRCLK becomes Rch.
After changing LRCLK, second bit becomes MSB.
●Left-justified format
The High section of LRCLK becomes Lch, the Low section of LRCLK becomes Rch.
After changing LRCLK, first bit becomes MSB.