AK4120 Datasheet, PDF (19/30 Pages) Asahi Kasei Microsystems – Sample Rate Converter with Mixer and Volume

ASAHI KASEI
[AK4120]
LRCK
BICK
(64fs)
SDTI
16bit
SDTI
20bit
01
12 13 14 15 16
31 0 1
12 13 14 15 16
31 0 1
Don’t care
15:MSB, 0:LSB
15
0 Don’t care
15
0
Don’t care 19 18 17 16 15
0 Don’t care 19 18 17 16 15
0
19:MSB, 0:LSB
Lch Data
Figure 7. LSB justified Timing
Rch Data
LRCK
BICK
(64fs)
SDTI
01
2
18 19 20
30 31 0 1 2
18 19 20
30 31 0 1
19 18
1 0 Don’t care
19 18
1 0 Don’t care
20:MSB, 0:LSB
Lch Data
Rch Data
Figure 8. MSB justified Timing
19 18
LRCK
BICK
(64fs)
SDTI
0123
19 20 21
31 0 1 2 3
19 20 21
31 0 1
19 18
1 0 Don’t care
19 18
1 0 Don’t care
19
19:MSB, 0:LSB
Lch Data
Figure 9. I²S Timing
Rch Data
MS0134-E-00
- 19 -
2002/1