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AK4633EN Datasheet, PDF (14/83 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP | |||
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[AK4633]
Parameter
Symbol
Min.
PLL Slave Mode (PLL Reference Clock: FCK pin) (Figure 6,Figure 7)
FCK: Frequency
fFCK
7.35
DSP Mode: Pulse Width High
tFCKH tBCK-60
Except DSP Mode: Duty Cycle
duty
45
BICK: Period
tBCK 1/64fFCK
Pulse Width Low
tBCKL 0.4 x tBCK
Pulse Width High
tBCKH 0.4 x tBCK
PLL Slave Mode (PLL Reference Clock: BICK pin) (Figure 6,Figure 7)
FCK: Frequency
fFCK
7.35
DSP Mode: Pulse width High
tFCKH tBCK-60
Except DSP Mode: Duty Cycle
duty
45
BICK: Period (PLL3-0 = â0001â)
tBCK
-
(PLL3-0 = â0010â)
tBCK
-
(PLL3-0 = â0011â)
tBCK
-
Pulse Width Low
tBCKL 0.4 x tBCK
Pulse Width High
tBCKH 0.4 x tBCK
PLL Slave Mode (PLL Reference Clock: MCKI pin) (Figure 8)
MCKI Input: Frequency
fCLK
11.2896
Pulse Width Low
fCLKL 0.4/fCLK
Pulse Width High
fCLKH 0.4/fCLK
MCKO Output:
Frequency
fMCK
-
Duty Cycle except fs=29.4kHz, 32kHz
dMCK
40
fs=29.4kHz, 32kHz (Note 21)
dMCK
-
FCK: Frequency
fFCK
8
DSP Mode: Pulse width High
tFCKH tBCK-60
Except DSP Mode: Duty Cycle
duty
45
BICK: Period
tBCK 1/64fFCK
Pulse Width Low
tBCKL 0.4 x tBCK
Pulse Width High
tBCKH 0.4 x tBCK
Audio Interface Timing
DSP Mode: (Figure 9, Figure 10)
FCK âïâ to BICK âïâ (Note 22)
FCK âïâ to BICK âï¯â (Note 23)
BICK âïâ to FCK âïâ (Note 22)
BICK âï¯â to FCK âïâ (Note 23)
BICK âïâ to SDTO (BCKP = â0â)
BICK âï¯â to SDTO (BCKP = â1â)
SDTI Hold Time
SDTI Setup Time
Except DSP Mode: (Figure 12)
FCK Edge to BICK âïâ (Note 24)
BICK âïâ to FCK Edge (Note 24)
FCK to SDTO (MSB) (Except I2S mode)
BICK âï¯â to SDTO
SDTI Hold Time
SDTI Setup Time
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
Typ.
8
-
-
-
-
-
8
-
-
1/16fFCK
1/32fFCK
1/64fFCK
-
-
-
-
-
256 x fFCK
50
33
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Max.
48
1/fFCK-tBCK
55
1/16fFCK
-
-
48
1/fFCK-tBCK
55
-
-
-
-
-
27.0
-
-
-
60
-
48
1/fFCK-tBFCK
55
1/16fFCK
-
-
-
-
-
-
80
80
-
-
-
-
80
80
-
-
Unit
kHz
ns
%
ns
ns
ns
kHz
ns
%
ns
ns
ns
ns
ns
MHz
ns
ns
kHz
%
%
kHz
ns
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MS0447-E-06
- 14 -
2015/10
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