AK5730 Datasheet, PDF (22/50 Pages) Asahi Kasei Microsystems – 4-Channel Differential Audio ADC for Line & Mic Inputs

[AK5730]
■ Audio Serial Interface Format
Eight types of the date formats are available and selected by setting the DIF bit and the TDM1-0 bits. In all modes, the
serial data is MSB first, 2`s complement format. LRCK and BICK are output in master mode, input in slave mode.
Mode
0
1
2
-
3
4
5
-
DIF bit
0
0
0
0
1
1
1
1
TDM1 bit
0
0
1
1
0
0
1
1
TDM0 bit
0
1
0
1
0
1
0
1
BICK
64fs
256fs
512fs
-
64fs
256fs
512fs
-
Data Format
Stereo Mode (IIS)
TDM256 Mode(IIS)
TDM512 Mode(IIS)
(Reserved)
Stereo Mode (Left Justified)
TDM256 Mode (Left Justified)
TDM512 Mode (Left Justified)
(Reserved)
(default)
Table 6. TDM Mode Setting
LRCK
0 1 2 3 22 23 24 25
BICK(64fs)
29 30 31 0 1 2 3 22 23 24 25
SDTO1(o)
23 22
210
23:MSB, 0:LSB _{Data 1}
23 22
210
Data 2
29 30 31 0 1
SDTO2(o)
23 22
210
23:MSB, 0:LSB _{Data 3}
23 22
210
Data 4
TDMI(i)
Don’t Care
Figure 16. Mode 0 Timing (Stereo Mode (IIS))
LRCK (Master)
LRCK (Slave)
BICK (256fs)
SDTO1 (O)
SDTO2 (O)
256 BICK
23
0
Data 1
32 BICK
23
0
Data 2
32 BICK
23
0
Data 3
32 BICK
23
0
Data 4
32 BICK
23
0
Data 5
32 BICK
23
0
Data 6
32 BICK
23
0
Data 7
32 BICK
23
0
Data 8
32 BICK
*
23
TDMI (I) _*
23
0
23
0
23
0
23
0
23
Data 5 Data 6 Data 7 Data 8
32 BICK 32 BICK 32 BICK 32 BICK
(*: Optional)
Figure 17. Mode1 Timing (TDM256 Mode (IIS))
Rev 0.8
- 22 -
2013/06