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AK4636 Datasheet, PDF (15/105 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK/Video-AMP | |||
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[AK4636]
Parameter
Audio Interface Timing
DSP Mode: (Figure 11, Figure 12)
FCK âââ to BICK âââ (Note 23)
FCK âââ to BICK âââ (Note 24)
BICK âââ to FCK âââ (Note 23)
BICK âââ to FCK âââ (Note 24)
BICK âââ to SDTO (BCKP bit = â0â)
BICK âââ to SDTO (BCKP bit = â1â)
SDTI Hold Time
SDTI Setup Time
Except DSP Mode: (Figure 14)
FCK Edge to BICK âââ (Note 21)
BICK âââ to FCK Edge (Note 21)
FCK to SDTO (MSB) (Except I2S mode)
BICK âââ to SDTO
SDTI Hold Time
SDTI Setup Time
EXT Slave Mode (Figure 13)
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 14)
FCK Edge to BICK âââ (Note 21)
BICK âââ to FCK Edge (Note 21)
FCK to SDTO (MSB) (Except I2S mode)
BICK âââ to SDTO
SDTI Hold Time
SDTI Setup Time
Symbol
min
tFCKB
tFCKB
tBFCK
tBFCK
tBSD
tBSD
tSDH
tSDS
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
-
-
50
50
tFCKB
50
tBFCK
50
tFSD
-
tBSD
-
tSDH
50
tSDS
50
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
-
-
-
-
-
-
-
-
-
-
max
Units
-
-
-
-
80
80
-
-
-
-
80
80
-
-
12.288
13.312
13.312
-
-
48
26
13
55
-
-
-
-
-
80
80
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
ns
ns
kHz
kHz
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
MS1012-E-01
- 15 -
2010/08
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