ASAHI KASEI
[AK4115]
AES3 DIF2 DIF1 DIF0
LRCK
I/O
BICK
Mode
DAUX
SDTO
bit
bit
bit
bit
I/O
O
O
O
O
O
O
I
0
1
2
3
4
5
6
7
8
9
0
0
0
0
0
0
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
0
1
0
1
24bit, Left justified
24bit, Left justified
24bit, Left justified
24bit, Left justified
24bit, Left justified
24bit, I2S
16bit, Right justified
18bit, Right justified
20bit, Right justified
24bit, Right justified
24bit, Left justified
24bit, I2S
H/L
H/L
H/L
H/L
H/L
L/H
H/L
L/H
H/L
H/L
O
O
O
O
O
O
I
I
O
O
64fs
64fs
64fs
64fs
64fs
64fs
24bit, Left justified
24bit, Left justified
64-128fs
64-128fs
64fs
Default
24bit, I2S
24bit, I2S
I
O
O
24bit, Left justified
AES Mode
AES3 Mode
AES3 Mode
64fs
Table 28. Audio data format in serial mode
DIF1 DIF0
LRCK
BICK
Mode
DAUX
SDTO
pin
pin
I/O
O
O
I
I/O
O
O
I
4
5
6
7
0
0
1
1
0
1
0
1
24bit, Left justified
24bit, I2S
24bit, Left justified
24bit, I2S
H/L
L/H
H/L
L/H
64fs
64fs
64-128fs
64-128fs
24bit, Left justified
24bit, Left justified
24bit, I2S
24bit, I2S
I
I
Table 29. Audio data format in parallel mode
2. EMCK, ELRCK, EBICK and DAUX
In asynchronous mode, the audio data format of DAUX is selected by EDIF1-0 bits. The clock source of master clock
selects X’tal or EMCK by the MSEL bit. In parallel mode, this function is not supported.
ELRCK
I/O
EBICK
Mode EDIF1 bit EDIF0 bit
DAUX
I/O
O
O
I
4
5
6
7
0
0
1
1
0
1
0
1
24bit, Left justified
24bit, I2S
H/L
L/H
H/L
L/H
O
O
I
64fs
64fs
64-128fs
64-128fs
24bit, Left justified
Default
24bit, I2S
I
I
Table 30. Audio data format in asynchronous mode
In asynchronous mode, the frequecny of EMCK/X’tal selects 128fs, 256fs or 512fs. It is controlled by ECKS1-0 bit.
ECKS1
ECKS0
EMCK Frequency
fs(max)
54kHz
108kHz
216kHz
-
0
0
1
1
0
1
0
1
512fs
256fs
128fs
N/A
Default
Table 31. EMCK Frequency
MS0573-E-00
2006/12
- 41 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
