AK4634 Datasheet, PDF (12/77 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

Parameter
EXT Slave Mode (Figure 11)
MCKI Frequency: 256fs
512fs
1024fs
Pulse Width Low
Pulse Width High
FCK Frequency (MCKI = 256fs)
(MCKI = 512fs)
(MCKI = 1024fs)
Duty Cycle
BICK Period
BICK Pulse Width Low
Pulse Width High
Audio Interface Timing (Figure 12)
FCK Edge to BICK “↑” (Note 24)
BICK “↑” to FCK Edge (Note 24)
FCK to SDTO (MSB) (Except I²S mode)
BICK “↓” to SDTO
SDTI Hold Time
SDTI Setup Time
Symbol
min
fCLK
fCLK
fCLK
tCLKL
tCLKH
fFCK
fFCK
fFCK
duty
tBCK
tBCKL
tBCKH
1.8816
3.7632
7.5264
0.4/fCLK
0.4/fCLK
7.35
7.35
7.35
45
312.5
130
130
tFCKB
50
tBFCK
50
tFSD
-
tBSD
-
tSDH
50
tSDS
50
typ
2.048
4.096
8.192
-
-
8
8
8
-
-
-
-
-
-
-
-
-
-
[AK4634]
max
12.288
13.312
13.312
-
-
48
26
13
55
-
-
-
-
-
80
80
-
-
Units
MHz
MHz
MHz
ns
ns
kHz
kHz
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
Rev. 0.5
- 12 -
2007/10