AK5397 Datasheet, PDF (24/44 Pages) Asahi Kasei Microsystems – 32-Bit Stereo Premium ADC

[AK5397]
MSN pin
CKS2
pin
0
0
0
L
0
(Slave)
1
1
1
1
0
0
0
H
0
(Master)
1
1
1
1
CKS1
pin
CKS0
pin
MCLK
BICK
Sampling Speed
0
0
256fs
64fs  BICK 
128fs
Normal Speed Mode
(8kHz  fs  48kHz)
0
1
(Table 3)
Auto Setting Mode
1
0
256fs
64fs
Double Speed Mode
(48kHz < fs  96kHz)
1
1
128fs
64fs
Quad Speed Mode
(96kHz < fs  192kHz)
0
0
64fs
64fs
Octal Speed Mode
(fs = 384kHz)
0
1
32fs
32fs
Hex Speed Mode
(fs = 768kHz)
1
0
1
1
N/A
0
0
256fs
64fs
Normal Speed Mode
0
1
512fs
64fs
(8kHz  fs  48kHz)
1
0
256fs
64fs
Double Speed Mode
(48kHz < fs  96kHz)
1
1
128fs
64fs
Quad Speed Mode
(96kHz < fs  192kHz)
0
0
64fs
64fs
Octal Speed Mode
(fs = 384kHz)
0
1
32fs
32fs
Hex Speed Mode
(fs = 768kHz)
1
0
1
1
N/A
Table 2. Setting of MCLK /BICK/Sampling Speed
MCLK
512fs
256fs
128fs
64fs
32fs
BICK
Sampling Speed
64fs  BICK  128fs
64fs
64fs
64fs
32fs
Normal Speed Mode (8kHz  fs  48kHz)
Double Speed Mode (48kHz < fs  96kHz)
Quad Speed Mode (96kHz < fs  192kHz)
Octal Speed Mode (fs = 384kHz)
Hex Speed Mode (fs = 768kHz)
Table 3. Auto Setting Mode (Slave Mode)
■ Master Mode/Slave Mode
The MSN pin selects either master or slave modes as shown in Table 4. The AK5397 outputs BICK and
LRCK in master mode. In slave mode, provide MCLK, BICK and LRCK.
MSN pin
Mode
BICK, LRCK
L
Slave Mode
BICK = Input
LRCK = Input
H
Master Mode
BICK = Output
LRCK = Output
Table 4. Master mode/Slave mode
014011535-E-00
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2014/11