AK7755EN_16 Datasheet, PDF (61/109 Pages) Asahi Kasei Microsystems – DSP with Mono ADC Stereo CODEC + Mic/Lineout Amp

[AK7755]
LRCK
Left ch
Right ch
BICK
SDIN1,2
DIF mode3
SDOUT1,2,3
DOF mode3
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
M 14 13 12 11 10 9 8 7 6 5 4 3 2 1 L M 14 13 12 11 10 9 8 7 6 5 4 3 2 1 L
M 14 13 12 11 10 9 8 7 6 5 4 3 2 1 L M 14 13 12 11 10 9 8 7 6 5 4 3 2 1 L
Figure 36. LSB Justified BICK 32fs
3. MSB 8-bit μ-Law、MSB 8-bit A-Law (mode 4,5)
LRCK
Left ch
Right ch
BICK
31 30 29 28 27 26 25 24
SDIN1
DIF mode4/5
M6 5 4 3 2 1 L
SDOUT1
DOF mode4/5
M6 5 4 3 2 1 L
SDIN2
DIF mode0
M 22 21 20 19 18 17 16
SDOUT2,3
DOF mode0
M 22 21 20 19 18 17 16
7 6 5 4 3 2 1 0 31 30 29 28 27 26 25 24
M6 5 4 3 2 1 L
M6 5 4 3 2 1 L
1L
M 22 21 20 19 18 17 16
1L
M 22 21 20 19 18 17 16
76543210
M:MSB,L:LSB
M:MSB,L:LSB
1 L ^M:MSB,L:LSB
1 L ^M:MSB,L:LSB
Figure 37. MSB Justified 8-bit μ-Law, 8-bit A-Law BICK 64fs
4. I²S (mode6)
LRCK
BICK
SDIN1, 2
SDOUT1, 2, 3
31 30 29 28 27
M 22 21 20
M 22 21 20
Left ch
10 9 8 7 6 5 4 3 2 1 0 31 30 29 28 27
321L
M 22 21 20
321L
M 22 21 20
Figure 38. I²S BICK 64fs
Right ch
10 9 8 7 6 5 4 3 2 1 0
M: MSB, L: LSB
321L
M: MSB, L: LSB
321L
014006643-E-00
- 61 -
2014/10