AK5385A Datasheet, PDF (15/24 Pages) Asahi Kasei Microsystems – 24BIT 192KHZ ADC

ASAHI KASEI
[AK5385A]
n
2
DIF pin (Table 4)
MSB
2’s
SDTO BICK
LRCK BICK
LRCK
BICK
fs 64fs
Mode
0
1
DIF pin
L
H
SDTO
LRCK
24bit, MSB justified H/L
24bit, I²S Compatible L/H
Table 4. Audio Interface Format
BICK
≥ 48fs
≥ 48fs
Figure
Figure 1
Figure 2
LRCK
012
BICK(64fs)
20 21 22 23 24
31 0 1 2
SDTO(o)
23 22
43210
23 22
23:MSB, 0:LSB
Lch Data
Figure 1. Mode 0 Timing
20 21 22 23 24
43210
Rch Data
31 0 1
23
LRCK
0123
BICK(64fs)
21 22 23 24 25
012
21 22 23 24 25
01
SDTO(o)
23 22
43210
23 22
23:MSB, 0:LSB
Lch Data
Figure 2. Mode 1 Timing
43210
Rch Data
n
AK5385A
AK5385A
M/S pin
“H”
AK5385A MCLK
MCLK, BICK, LRCK
“L”
BICK, LRCK
M/S pin
Mode
BICK, LRCK
L
Slave Mode
BICK = Input
LRCK = Input
H
Master Mode
BICK = Output
LRCK = Output
Table 5. Master mode/Slave mode
MS0265-J-01
- 15 -
2003/11