AK4636 Datasheet, PDF (14/105 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK/Video-AMP

[AK4636]
Parameter
Audio Interface Timing
Symbol
min
DSP Mode: (Figure 5, Figure 6)
FCK “↑” to BICK “↑” (Note 23)
FCK “↑” to BICK “↓” (Note 24)
BICK “↑” to SDTO (BCKP bit = “0”)
BICK “↓” to SDTO (BCKP bit = “1”)
tDBF
tDBF
tBSD
tBSD
0.5 x tBCK −40
0.5 x tBCK −40
−70
−70
SDTI Hold Time
tSDH
50
SDTI Setup Time
tSDS
50
Except DSP Mode: (Figure 7)
BICK “↓” to FCK Edge
FCK to SDTO (MSB)
(Except I²S mode)
BICK “↓” to SDTO
tBFCK
−40
tFSD
−70
tBSD
−70
SDTI Hold Time
tSDH
50
SDTI Setup Time
tSDS
50
PLL Slave Mode (PLL Reference Clock: FCK pin) (Figure 8, Figure 9)
FCK: Frequency
DSP Mode: Pulse Width High
fFCK
tFCKH
7.35
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 8, Figure 9)
FCK: Frequency
DSP Mode: Pulse width High
fFCK
tFCKH
7.35
tBCK−60
Except DSP Mode: Duty Cycle
duty
45
BICK: Period (PLL3-0 bit = “0001”)
tBCK
-
(PLL3-0 bit = “0010”)
tBCK
-
(PLL3-0 bit = “0011”)
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 10)
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 22) dMCK
-
FCK: Frequency
DSP Mode: Pulse width High
fFCK
tFCKH
8
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
typ
0.5 x tBCK
0.5 x tBCK
-
-
-
-
-
-
-
-
-
8
-
-
-
-
-
8
-
-
1/16fFCK
1/32fFCK
1/64fFCK
-
-
-
-
-
256 x fFCK
50
33
-
-
-
-
-
-
max
0.5 x tBCK + 40
0.5 x tBCK +40
70
70
-
-
40
70
70
-
-
48
1/fFCK−tBCK
55
1/16fFCK
-
-
48
1/fFCK−tBCK
55
-
-
-
-
-
27.0
-
-
-
60
-
48
1/fFCK−tBCK
55
1/16fFCK
-
-
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
kHz
ns
%
ns
ns
ns
kHz
ns
%
ns
ns
ns
ns
ns
MHz
ns
ns
kHz
%
%
kHz
ns
%
ns
ns
ns
MS1012-E-01
- 14 -
2010/08