ak4635ecb AKM Semiconductor, Inc., ak4635ecb Datasheet - Page 13

• Manufacturer Part Number: ak4635ecb
• Description: 16-bit Mono Codec With Alc & Mic/spk/video-amp
• Manufacturer: AKM Semiconductor, Inc.

PLL Slave Mode (PLL Reference Clock: FCK pin)
FCK: Frequency
BICK: Period
PLL Slave Mode (PLL Reference Clock: BICK pin)
FCK: Frequency
BICK: Period (PLL3-0 bit = “0001”)
PLL Slave Mode (PLL Reference Clock: MCKI pin)
MCKI Input: Frequency
MCKO Output:
FCK: Frequency
BICK: Period
Audio Interface Timing
Rev. 0.6
Parameter
Frequency
Duty Cycle except fs=29.4kHz, 32kHz
DSP Mode:
Except DSP Mode:
DSP Mode: Pulse Width High
Except DSP Mode: Duty Cycle
DSP Mode: Pulse width High
Except DSP Mode: Duty Cycle
DSP Mode: Pulse width High
Except DSP Mode: Duty Cycle
Pulse Width Low
Pulse Width High
FCK Edge to BICK “ ”
FCK to SDTO (MSB) (Except I
SDTI Hold Time
SDTI Setup Time
Pulse Width Low
Pulse Width High
Pulse Width Low
Pulse Width High
FCK “ ” to BICK “ ”
FCK “ ” to BICK “ ”
BICK “ ” to FCK “ ”
BICK “ ” to FCK “ ”
BICK “ ” to SDTO (BCKP bit= “0”)
BICK “ ” to SDTO (BCKP bit= “1”)
SDTI Hold Time
SDTI Setup Time
BICK “ ” to FCK Edge
BICK “ ” to SDTO
fs=29.4kHz, 32kHz
Pulse Width Low
Pulse Width High
(PLL3-0 bit = “0010”)
(PLL3-0 bit = “0011”)
(Figure
(Figure
13,
Figure
(Note
(Note
(Note
(Note
(Note
(Note
(Note
16)
28)
14)
29)
30)
29)
30)
31)
31)
2
S mode)
Symbol
tBCKH
tBCKH
fCLKH
tBCKH
tFCKH
tBCKL
tFCKH
tBCKL
fCLKL
tFCKH
tBCKL
tFCKB
tFCKB
tBFCK
tBFCK
tFCKB
tBFCK
dMCK
dMCK
fMCK
fFCK
tBCK
fFCK
tBCK
tBCK
tBCK
fCLK
fFCK
tBCK
tSDH
tSDH
tBSD
tBSD
tBSD
(Figure
tSDS
tFSD
tSDS
duty
duty
duty
(Figure
(Figure
- 13 -
10,
10,
12)
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
1/64fFCK
1/64fFCK
tBCK 60
tBCK 60
0.4/fCLK
0.4/fCLK
tBCK 60
Figure
11.2896
Figure
7.35
7.35
min
45
45
40
45
50
50
50
50
50
50
8
-
-
-
-
-
-
-
-
-
11)
11)
256 x fFCK
1/16fFCK
1/32fFCK
1/64fFCK
typ
50
33
8
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1/fFCK tBCK
1/fFCK tBCK
1/fFCK tBCK
1/16fFCK
1/16fFCK
max
27.0
48
55
48
55
60
48
55
80
80
80
80
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[AK4635]
2007/10
Units
MHz
kHz
kHz
kHz
kHz
ns
%
ns
ns
ns
ns
%
ns
ns
ns
ns
ns
ns
ns
%
%
ns
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns